A bike with a K&N and pipes benefits from a 3rd shim, is that correct? If that is the case it should help on all 3rd generation bikes with the same set-up, yes?
If you have made carb adjustments, jetting changes, tuning changes, etc. let us know. What has been your experience? Pilot jets are too small with the 3+ turns out.
Tried different needle jets? Are different needle jets available? Have you taken the main jet higher than a 105, what's your take?
This thread will help others form some opinions on what direction to go. Any input you have will help us all out, so speak your minds, opinions and experiences.
All Updates will be posted to this first page so you will not have to read through the entire thread.
----------------------------------------------------------------------------------------------------------
This is where we are at currently.
From my readings and input from Magna owners, a stock Magna would benefit from the DD Kit. For sure you need to add a Shim and turn Pilot screws out to 2 3/4 turns.
Pilot Jets (#40) for a stock Magna work well, once you do a couple of modifications a change to #42 Pilot Jets would be of benefit. Personal choice, depends on how much you want to spend and how finicky you are.
Greg's beliefs are, Cobra exhaust does not flow as much air as V & H's and my findings are parallel with this. This is subject to change with more Cobra exhaust testing.
I believe most of these are around 500 ft above sea level. High altitude you will have to be on the leaner side.
So far it is coming down to this.
______________________________________________________________________________
Stock Filter
Stock Exhaust
Shims – 1 (additional)
Pilots screws 2 ¾ Turns out.
I have read in several places this statement, I have nothing to back this up but thought I should include the info----- The DD jet+shim kit is designed for a bone stock Magna including the exhaust. In fact, it is the factory stock setup for Non-USA Magnas.
Option,
#105 Mains
__________________________________________________________________________
Lance – (L J BAD MAG)
K & N air filter
Exhaust Mod
Shims – 1 additional
Mains - 105
Pilots screws 2 ¾ Turns out
Option,
#42 Pilot Jets
#108 Mains
Lance - Right now it runs extremely good, no flat spots in the rpm range at all. I think the 108 jets will make it pull harder on the top end though.. MPG 48.
_____________________________________________________________________________
Greg (Greg Cothern)
K & N air filter
Exhaust Mod.
Shims – 1 additional
Pilots screws 2 ¾ Turns out
Option,
#42 Pilot Jets
#105 Mains
Greg - My son's bike is setup like this and it is almost perfect.
I have read in several places this statement, I have nothing to back this up but thought I should include the info----- The DD jet+shim kit is designed for a bone stock Magna including the exhaust. In fact, it is the factory stock setup for Non-USA Magnas.
_____________________________________________________________________________
Greg (Greg Cothern)
Project 96
Stock air filter
SuperTrapps – All diffusers in.
Dyna Jet Kit - clip in 3rd position from bottom
Shims – 1
Pilots – 45 were on hand (prefer 42's)
Pilots screws – 2 1/2
Options,
42 pilots
Will install a K&N filter
The SuperTrapps have all the provided discs (I will have to count again I think it is 9 discs per side but maybe only 7) installed. ??
Greg - Now it has low moderate decel pop, but midrange is much improved. So the plan now is to continue to ride it at these adjustments and wait for the K&N to arrive. See where it sits after the K&N and go from there.
_____________________________________________________________________________
Lawrence (lragan)
K & N air filter
Cobra Slash Cut Exhaust
DD kit which includes
Shims – 1 (additional)
Mains - #105
Pilot screws 3 Turns out
Lawrence - Starting improved, solved the mid-range issue. Popping on deceleration disappeared mileage dropped from 50 to 45 MPG.
Option,
Additional shim may be of benefit but untested.
Not tested, IMO, I think you could comfortably change the Mains to #108.
Probably should change to the #42 Pilot Jets
______________________________________________________________________________
Kelley Cothern (KTC)
K & N air filter
Cobra Slash cut
Shims - 1 (additional)
105 - Mains
40 - Pilots
Pilot screws – 3 1/4 turns out
Kelly - Pulled plugs and they are mostly white, pipes are clean no black soot. I think it will benefit from .42 pilot jets.
Greg's - His plugs looked a tad on the lean side, not bad though. The temps immediately after the change were a bit on the cooler side thus increasing the lean condition a bit with the cooler dense air. However, I do believe the 42's will be a good addition.
_____________________________________________________________________
Allen (roboto65)
K & N air filter
Jardine Megaphones exhaust
Shims - 1 (additional)
110 - Mains
45 - Pilots
Pilot screws - 2 3/4 turns out
With what I have done it is ALOT better almost pulls the front end up and it goes all the way to REDLINE, does it need more tweaking, yeah probably, but it is close for sure !!!!!!
Note: possible go to 42 pilot jets and lean the idle jets a 1/4 turn more.
_______________________________________________________________________________
Matt (Magnatic)
K & N
V & H exhaust
Shims - 2 (additional)
Pilot - #42
Mains - #110
Pilot Screw - 2 3/4 turns out
Option,
#45 Pilots
#112 Mains
Bike runs strong with seamless powerband up to redline. Issue is some popping on decel so I will go out another 1/4 to 1/2 turn on the Pilot screw. May try112 Mains & 45 Pilots.
______________________________________________________________________
Lance – (L J BAD MAG)
K & N air filter
Exhaust - Vance & Hines
Shims – 1 additional
Pilots - 42
Mains - 110
Pilots screws 3 1/8 Turns out
Lance - The bike pulls very hard all the way to red-line, no dead spots, spot on. I also think the 110 mains helped with the total carburetion as well.
_______________________________________________________________________________
Chad (chadschloss78) (I think this needs updating)
K & N air filter
V & H exhaust
Shims – 2 (additional)
Mains – #110 or #112
Pilots - #45
Pilot screws 2 ¾ turns out
Chad - Torquey, super punchy midrange and unstoppable top end.
____________________________________________________________________________
JETS:
112 Main:
PN: 99101-GHB-1120
110 Main:
PN: 99101-GHB-1110
108 Main
PN: 99101-GHB-1080
105 Main
PN: 99101-GHB-1050
45 Slow Jet:
PN: 99103-MT2-0450
42 Slow Jet:
PN: 99103-MT2-0420
This list will probably need to be tweaked as people test and try these settings but should be better than before.
These settings are in MOOT Member bikes and actually working so they do have history behind them but might need tweaking as we become more experienced with various setups.
Terry, my 01 is all stock exhaust with just the k and n air filter. I talked with greg after adding 1 extra shim for a total of 2 about having a stumble still at around 4000 rpm's. He thought it was still lean at midrange so i added another shim for a total of 3. I also turned the pilot screw's out to 2-7/8 turn. This helped my bike quite a bit, hardly any drop or stumble now at all. Lance
I believe the 105 jet is good for this setup when fully on the main jet metering system. However its the low to mid range transition that suffers from enemic fuel flow, but this is seen mostly with V&H and K&N equipped Magna's. I would suggest no K&N with these particular mufflers.
OR I shudder to suggest the Dyna-jet kit, as I hate to alter stock parts that Dyna-jet wants, but they do come with a different needle setup that has an "E-Clip" adjustable height as well as the taper being different.
Dave Dodge's setup works great in that is is less than half the cost of the Dyna-jet, and does not require altering of parts. However with Dave's setup it has been my experience that you need a total of 3 shims with the K&N and V&H setups. Remember this shim only raises the needle .020", so with the 3rd shim you are putting it .040" above stock, so its not a huge jump, my guess is that most with this setup would benefit from a .050" raise.
Another thing folks with this setup can do it make sure your airbox, is as much as possible, sealed to keep the incoming airflow correct.
Wish I had a Dyno and a exhuast sniffer to be able to test exactly what will work for the low to mid range just right.
Lance
K & N
Stock exhaust
2 shims- additional
Pilots screws out 2 3/4 turns
This helped my bike quite a bit, hardly any drop or stumble now at all.
Thanks Lance for your input.
____________________________________________________________________
Gregs thoughts,
K & N
Vance & Hines pipes
Shims - 1-2 additional for a .040"-.060" total raise. Gregs possible ideal raise is .050".
Pilots out 3 ¼ turns
From what I have read and experienced I lean to Greg and Lances experience and thoughts.
I believe most prefer not to modify as Greg states with the Cobra Jet kit.
My question though, does the Cobra Jet kit correct all issues, will more shims do as well of a job as the Cobra kit (or be pretty close), can you buy a different Needle Jet w/o mods to the carbs?
I didnt say 4 or 5 shims :shock: :lol: 2 to 3 max... As each shim DRP sends is .020" thickness, so 2 additional shims will get you .040" raise on the needle thus richening the midrange some.
Quote from: Greg Cothern on May 28, 2008, 08:16:01 PM
I didnt say 4 or 5 shims :shock: :lol: 2 to 3 max... As each shim DRP sends is .020" thickness, so 2 additional shims will get you .040" raise on the needle thus richening the midrange some.
So sometimes I don't read so good. I thought each washer was .020 but the .050 threw me.
Fixed on the previous post.
I have entertained the thought of trying different pilot jets and see if that makes any difference but have not done it yet !!!!!!!!!
There appears to be 2 different Needle Jet part numbers for this part and the Mains jump to #110 from the stock #102.
Anyone know the difference between the Needle Jets or how to read the difference by the last 3 digits?
NEEDLE SET, JET
16012-MZ5-600 ------Edit - Cal Model.
NEEDLE SET, JET
16012-MZ5-670
JET, MAIN (#102)
99101-GHB-1020
I did locate this bit of information but it didn't help much plus it may have changed some from the vintage days.
http://www.kaila.net/tl125/tl125partcode.html
Honda Gurus come out of the woodwork........If these other Needle Jets are different, slimmer sooner, and with #110 Mains, well I don't know unless someone here has tried this.
Greg or Allen, do you know of anyone who has tried these?
And I agree, Greg Should get a sniffer! :-P :-P :-P
Nope but one of these days I will get around to trying different pilot jet sizes which there are a few.. Also Honda has changes part numbers quite alot so they are probably the same thing but have not ordered either one so just a guess there could be the California models and the other 49 states :-? and the sniffer has been on the tool list for a while LOL
105's are a good match for the Magna on mains. The one you list that say mains, well the last 4# show the jet size, ie 1100 is a 110 jet size as it state hehehehe.
The others look like slow speed jet #'s to me, not that I know them by heart. I would have to refer to a chart or such to help figure this out further. But I would think if there were/is another slow speed jet that would simply swap out for, then the next size up would be the ticket I think.
I guess I need to give Dave Dodge a call and chat with him some more hehehehe.
I see that now about the Jet numbers, just took someone smarter than me to point that out. :-P
I forgot about the possibility of the CA. models. Honda listed only one Slow Jet, a #40, but still moving up one would probably be okay. Than again, taking the stock Slow Jet to the max 3 turns might just be enough.
Lance having to add 2 shims with a stock air filter and V & H pipes leads me to believe we need more if we are running a K & N air filter also. Lance may be a bit overkill at certain throttle positions but I don't know unless one of us rides it for comparisons sake.
The consensuses is so far, the stock Magna is lean and would benefit from at least 1 shim and adjustment of Pilot Screws. Add a K&N and another shim would seem logical, add pipes and another shim might be logical. Along at some point changing Main Jets and possible Needle Jets. The #110 Mains have me curious since that is the only other option Honda shows.
I don't know if Honda dealer would be able to shed some light on the two Needle Jets, or verify one is for the CA. model.
At some point Allen, i would be willing to do some testing, as you mentioned. I like to think it through first to limit the work. Hopefully nail it on the first couple of tries. :P :P
Here is what I usually go with:
BONE stock Magna add a shim kit, adjust pilot's to 2 3/4 turns out.
Aftermarket exhaust also add a jet kit, adjust pilot's to 3 turns out.
K&N with the above adjust pilot's to 3 1/4 turns out.
V&H's seem to flow a bit more air than some of the others, I go with an additional shim (1 stock shim and 2 extra DRP shims) and pilot's out about 3 3/8 turns out.
V&H with stock air filter, seems most are pretty close with stock shim a 1 DRP shim and 3 1/4 turns out.
I am still playing around with the Supertrapps and the Dyna Jet kit (which was already there from PO).
I am not near my bike but cannot remember which carbs we have on our babys. Mikuni or Kehine someone knows LOL
I just posted on the vaccuum leak thread if you want to check it out. i did up the pilots to 45 and the mains to 112 and i am at 3 turns out, and 3 shims on each needle. but the low end is just a tad rich when cold. I don't have to use the choke at all, and the throttle is crisper when cold and slightly fades when warm so i think it's just a tad rich on the low end. you would not believe the torque, super punchy midrange and unstoppable top end. i have k&n, vance and hines exaust, dyna 3000 ignition module, dyna coils, dyna 8mm wires, pingle fuel petcock, eliminated the vacuum shutoff valve, added a pingel fuel filter.
stock gearing right now at 15/40 also. hope this helps. -chad
Quote from: TLRam1 on May 28, 2008, 10:33:01 AM
I was going to post this under the Vacuum thread than decided it is better to start a new thread.
What I am reading under the "VACUUM LEAK" THREAD is a bike with a K&N and pipes benefits from a 3rd shim, is that correct? If that is the case it should help on all 3rd generation bikes with the same set-up, correct?
What has been anyones experience?
Has anyone upped the pilot jet? Pilot jets are too small with the 3+ turns out, how much difference that will make, I don't know.
Are there starter jets in these carburetors or what acts as the accelerator pump?
Tried different needle jets?
Anyone taken the main jet higher than a 105, what's your take?
I have not researched any of the above and somewhat asking these questions premature as I am not ready to take the plunge and dedicate the time yet but this info will help form some opinions.
In the future I had planned to buy various sizes of jets and spend a few days tuning mine in but this might give insight as to what will work or what has been tried.
I will change the above as "I would like to in the future". :-P Time and needs are always the issue.
Any input you have will help us all out, so speak your minds, opinions and experiences.
FYI:
JETS:
112 Main:
Mfg Product Number: 99101-GHB-1120
Description: JET (#112) for Honda
Order Quantity: 4
Unit Price: $4.83
Total Cost: $19.32
110 Main:
99101-GHB-1110
45 Slow Jet:
PRODUCT INFORMATION:
Part Number: 99103-MT2-0450
Description: JET (#45) for Honda
Order Quantity: 4
Shipped Quantity: 4
Unit Price: $7.53
Total Cost: $30.12
42 Slow Jet: 99103-MT2-0420
More info on tuning CV carbs, whrere I learned a bunch of stuff :)
http://www.factorypro.com/tech_tuning_procedures/tuning_carbtune,CV,high_rpm_engines.html
More FYI:
The carbs that have VP30A on it are california models,
The carbs that have VP31A are 49 state models
Quote from: TLRam1 on May 29, 2008, 11:09:10 PM
I see that now about the Jet numbers, just took someone smarter than me to point that out. :-P
I forgot about the possibility of the CA. models. Honda listed only one Slow Jet, a #40, but still moving up one would probably be okay. Than again, taking the stock Slow Jet to the max 3 turns might just be enough.
Lance having to add 3 shims with a stock air filter and V & H pipes leads me to believe we need more if we are running a K & N air filter also. Lance may be a bit overkill at certain throttle positions but I don't know unless one of us rides it for comparisons sake.
The consensuses is so far, the stock Magna is lean and would benefit from at least 1 shim and adjustment of Pilot Screws. Add a K&N and another shim would seem logical, add pipes and another shim might be logical. Along at some point changing Main Jets and possible Needle Jets. The #110 Mains have me curious since that is the only other option Honda shows.
I don't know if Honda dealer would be able to shed some light on the 2 Needle Jets, or verify one is for the CA. model.
At some point Allen, i would be willing to do some testing, as you mentioned. I like to think it through first to limit the work. Hopefully nail it on the first couple of tries. :P :P
Chad
K & N
V & H exhaust
Dyna 3000 Ignition Module w/other mods.
Pilot Jet #45 – 3 Turns out – runs rich
Shims – 2 additional
Mains #112
Low end is rich
Torquey, super punchy midrange and unstoppable top end.
___________________________________________________________________
Lance
K & N
Stock exhaust
Shims - 2 additional
Pilots screws out 2 3/4 turns
This helped my bike quite a bit, hardly any drop or stumble now at all.
Thanks Lance for your input.
____________________________________________________________________
Gregs thoughts,
K & N
Vance & Hines pipes
Shims - 1-2 additional for a .040"-.060" total raise. Greg's possible ideal raise is .050".
Pilots out 3 ¼ turns
From what I have read and experienced I lean to Greg and Lances experience and thoughts.
I believe most prefer not to modify as Greg states with the Cobra Jet kit.
My question though, does the Cobra Jet kit correct all issues, will more shims do as well of a job as the Cobra kit (or be pretty close), can you buy a different Needle Jet w/o mods to the carbs?
Chad,
Thanks for the info. Great stuff, your speaking our language!!
Everyone that has replied has given good information.. I am guessing Greg and Allen has probably worked on these carbs more than anyone and I think as the replies come in the information helps us form solutions and limits our time and monies on testing.
I would like to clarify and confirm Chad.
Did you try the setup of 105 Mains with 1 or 2 Shims? If so, you are saying you can tell a significant difference between that and what you have now?
When you went to the 110 Mains, how did that work compared to the 105, than to the 112? Were your shims always at 2 additional per Needle?
I take it you are still running stock Needle Jets. correct?
What's your gas mileage?
Have you checked your plug color?
If you can remember elaborate of some of the setups you had and differences.
I wanted to go by Honda today and see if they could elaborate of the 2 Needle Jets but will try next week sometime.
I think we're getting somewhere.......
Do me a favor, check out this thread over at Magna Riders Forum - It was detailed step by step what I did, it's a good read.
http://forums.delphiforums.com/MagnaRider/messages?msg=14706.1
Let me know if you have any questions after reading that, maybe I forgot something, it's been awhile. :)
By the way, I helped a guy yesterday with his carbs. We set his up with k&n, stock pipes with no mods, 3 shims on each needle,105 jets, 2 3/4 turns out. It ran good for him all the way home he told me., and took it out later last night and was good also. He took it for a short spin around and it didnt have enough time to warm up, and said there was a flat spot aout 5k, but he said it went away after he drive it for a while.
Quote from: TLRam1 on June 01, 2008, 12:03:37 AM
Chad,
Thanks for the info. Great stuff, your speaking our language!!
Everyone that has replied has given good information.. I am guessing Greg and Allen has probably worked on these carbs more than anyone and I think as the replies come in the information helps us form solutions and limits our time and monies on testing.
I would like to clarify and confirm Chad.
Did you try the setup of 105 Mains with 2 or 3 Shims? If so, you are saying you can tell a significant difference between that and what you have now?
When you went to the 110 Mains, how did that work compared to the 105, than to the 112? Were your shims always at 3 per Needle?
I take it you are still running stock Needle Jets. correct?
What's your gas mileage?
Have you checked your plug color?
If you can remember elaborate of some of the setups you had and differences.
I wanted to go by Honda today and see if they could elaborate of the 2 Needle Jets but will try next week sometime.
I think we're getting somewhere.......
Chad's friend
K & N
Stock exhaust
Shims – 2 additional
Main Jets - #105
Pilots – 2 ¾ turns
Ran good for him all the way home, Cold, there was a flat spot around 5k, went away after it warmed up
___________________________________________________________________
Chad
K & N
V & H exhaust
Dyna 3000 Ignition Module w/other mods.
Pilot Jet #45 – 3 Turns out – runs rich
Shims – 2 additional
Mains #112
Low end is rich
Torquey, super punchy midrange and unstoppable top end.
___________________________________________________________________
Lance
K & N
Stock exhaust
Shims - 2 additional
Pilots screws out 2 3/4 turns
This helped my bike quite a bit, hardly any drop or stumble now at all.
Thanks Lance for your input.
____________________________________________________________________
Gregs thoughts,
K & N
Vance & Hines pipes
Shims - 1-2 additional for a .040"-.060" total raise. Gregs possible ideal raise is .050".
Pilots out 3 ¼ turns
From what I have read and experienced I lean to Greg and Lances experience and thoughts.
I believe most prefer not to modify as Greg states with the Cobra Jet kit.
My question though, does the Cobra Jet kit correct all issues, will more shims do as well of a job as the Cobra kit (or be pretty close), can you buy a different Needle Jet w/o mods to the carbs?
Thanks Chad, I will read your writeup when I have more time and get back to you if questions arise.
I including your friends info in the previous post.
Well I tried 2.5 turns on the pilots today.. Too lean.. Lack of power until full warmup today, about 15-20 mins into my ride. Decel popping was present and definately more noticable with my full face helmet on. After complete warm up, it ran better, but still not as good as 3 turns out. I will try 2 3/4 next. I'd rather have it a little rich than lean, but we'll see how 2 3/4 turns does first.
Quote from: TLRam1 on June 01, 2008, 12:48:29 PM
Thanks Chad, I will read your writeup when I have more time and get back to you if questions arise.
I including your friends info in the previous post.
I think the pilots need to be at 3 turns or more . My bike would not start without choke before and now it does first thing in the morning with no choke. The K and N was causing my lean spot at midrange and with the extra shim for a total of 3 it took the lean spot out. Remember, I have bone stock exhaust... Good luck... Lance
I bought my Magna in Sept 2006. It came with stock carbs and filter, but with Cobra pipes. I noticed the popping on decel, and the illness in mid-range. Following the write-up in http://www.magnaownersoftexas.com/tips.htm#A1.31 by Greg, installed a K&N Filter and Dave Dodge's DRP-64550. Backed out 3 turns. Also resynced with mercury stick.
Starting dramatically improved. Immediately solved the mid-range issue. Popping on deceleration gradually disappeared over the next 1000 miles or so. Mileage dropped from 50 (avg) to 45 (avg).
Unfortunately, I don't remember how many shims were in the kit, or if I installed them all. :???: I did not throw them away, and can look in the parts box I keep to see if there are any "left over", if anyone is interested. :smile:
Lawrence
K & N
Cobra Pipes
Shims – 2 additional
Main Jets - #105
Pilot Screws – 3 turns
Re-synced carbs with mercury stick
Starting improved, solved the mid-range issue. Popping on deceleration disappeared Mileage dropped from 50 (avg) to 45 (avg).
_____________________________________________________________________
Chad's friend
K & N
Stock exhaust
Shims – 2 additional
Main Jets - #105
Pilots – 2 ¾ turns
Ran good for him all the way home, Cold, there was a flat spot around 5k, went away after it warmed up
___________________________________________________________________
Chad
K & N
V & H exhaust
Dyna 3000 Ignition Module, Dyna coils, Dyna 8mm wires, Pingle fuel petcock, Pingel fuel filter.
Pilot Jet #45 – 3 Turns out – runs rich
Shims – 2 additional
Mains #112
Low end is rich
Torquey, super punchy midrange and unstoppable top end.
___________________________________________________________________
Lance
K & N
Stock exhaust
Shims - 2 additional
Pilots screws out 2 3/4 turns
This helped my bike quite a bit, hardly any drop or stumble now at all.
Thanks Lance for your input.
____________________________________________________________________
Gregs thoughts,
K & N
Vance & Hines pipes
Shims - 1-2 additional for a .040"-.060" total raise. Gregs possible ideal raise is .050".
Pilots out 3 ¼ turns
From what I have read and experienced I lean to Greg and Lances experience and thoughts.
I believe most prefer not to modify as Greg states with the Cobra Jet kit.
My question though, does the Cobra Jet kit correct all issues, will more shims do as well of a job as the Cobra kit (or be pretty close), can you buy a different Needle Jet w/o mods to the carbs?
FYI
This came from the MRF. If this is correct, I was unaware.
QuoteThe DD jet+shim kit is designed for a bone stock Magna including the exhaust. In fact, it is the factory stock setup for Non-USA Magnas.
Okay Chad I went through all 63 post on MRF. Whoosh!!
Chad, I was coming to the conclusion of trying this with my V & H pipes and K & N.
#110 Mains
2 - Shims additional
#42 - Pilots
2.75 - 3 Turns
The Pingle petcock, wires and Dyna should have little effect if any on these settings.
That being said, I do like to get all I am suppose to out of a motor with out being too rich and don't want to take the carbs off any more than necessary. :o How confident are you with being dialed in and not too rich at any throttle opening? I need a real from-the-gut response so I know what direction to lean.
Chad, what's your altitude?
One would need a exhaust gas analyzer and a Dyno to read all of this to get the perfect setup. Would take a lot of time pulling, changing, and tuning of all the mentioned parts as well.
I am in Michigan, close enough to sea level. With that setup, i think i tried 3.5 on the pilots and it worked good, maybe it was 3, but definately not 2.75. All I know is that every time I changed the setup, it got better. Like I said, I am at 112 mains now, and the top end is perfect. the 110 mains are lacking at the very top but you really wouldnt know it. I figured i'd try the 112's cause i already bought them, and i think it improved for my setup. as soon as i can, i am going to get it dyno'ed. It's definately going to be a huge improvement. I let another guy up here ride my bike for a bit and he says it's a different machine altogether. that was with the 110's, 45's set to 3 turns out and 3 shims. I think the bigger pilots are what makes the flat spots go away on the low end to midrange transition. I'd say go with the 45 pilots, and you can always turn them in if you feel it's too rich. the 40's are way past the 'normal' adjust ment with that combo at 3.25 to 4 turns out. I probably could have turned the 42's out even more, but instead opted for the 45's. Either way, you'll like it, i'm sure. Hope this helps, chad
quote author=TLRam1 link=topic=2119.msg16455#msg16455 date=1212463493]
FYI
This came from the MRF. If this is correct, I was unaware.
QuoteThe DD jet+shim kit is designed for a bone stock Magna including the exhaust. In fact, it is the factory stock setup for Non-USA Magnas.
Okay Chad I went through all 63 post on MRF. Whoosh!!
Chad, I was coming to the conclusion of trying this with my V & H pipes and K & N.
#110 Mains
3 - Shims
#42 - Pilots
2.75 - 3 Turns
The Pingle petcock, wires and Dyna should have little effect if any on these settings.
That being said, I do like to get all I am suppose to out of a motor with out being too rich and don't want to take the carbs off any more than necessary. :o How confident are you with being dialed in and not too rich at any throttle opening? I need a real from-the-gut response so I know what direction to lean.
Chad, what's your altitude?
[/quote]
Your saying I need to do this, correct?
#112 Mains
2 - Shims additional
#45 - Pilots
2.75 - Turns
What temperature is it up there? What part of Michigan?
Do you have an idea when you will have it dynoed?
With my bike having bone stock exhaust, k and n filter, 3 total shims, and pilots out to 2-7/8 turns, Do you guys think I should put the bigger main jets from DD racing which i think are 105's ???, or should I stay with the 102's or whatever is stock. I don't remember.. It runs good, but are you guys saying there is a magical spot that can be found??? hehehe... Lance
Yeah there is a magic spot but you will have to find it and that means trial and error. Bikes are like people no 2 are the same so it depends on your bike. Yes we can get close but for a perfect tune I would say book the Dyno ALL day and play with the settings and jets till you get it right!!!!
I just don't see the need in pulling carbs just to put 105 mains in when it already screams at the top end... Lance (IMO)
I'm not tellin ya what to do, but telling you what worked for me. I've been the trial and error guy you don't want to be. It's a pain taking the carbs on/off 6-7 times, and believe me you won't get the ride time in or diagnose time in to change the jets even in a whole month. I started this last year about this time and it's finally where i like it, without going to the dyno shop/ exaust analyzer stuff. i will get it dynoed as soon as i can though. I want to go to a place that it about 90 miles from here, they have the Factory Pro Dyno that I read about. It's supposedly one of the better dyno's to use and gives real world numbers. I used a dyno last year when i had 108 mains, 42 pilots, 2 shims, v&h, k&n. they had a real old dyno, it was my first dyno experiance so i didn't know what to expect. it was green, had a mechanical dial on it for torque and whatever comes on it. they gave me a sheet that said i had 90hp / 89 ft/lbs torque. i thought that was high, and checked what everyone else was getting as it definately was not 89 for torque, more like trying to hit 50. so i need to go to a better shop. the temp here had been around 70 or so when i ran the latest setup. i live in Perry, near lansing. the las run i did with that setup was down to the greater Detroit area, and i put about 300 miles on in a day. Ran great, gas mileage was good enough, it didn't help that i was hitting 120 a few times on the way home, lol. the wost fuel mileage i've ever gotten even after running high rpm's around town and on the freeway for a good stretch is about 32/34 mpg. i usually get about 42/46.
Quote from: TLRam1 on June 03, 2008, 08:12:57 AM
Your saying I need to do this, correct?
#112 Mains
3 - Shims
#45 - Pilots
2.75 - Turns
What temperature is it up there? What part of Michigan?
Do you have an idea when you will have it dynoed?
Yeah 90 hp with only carb adjustments, and no way a Magna has that much torque either. I believe your right in their dyno is not correct.
Now if you have had different cams, head work, etc then did the carb work you might be at 90 hp. Knew a guy whom had DD do all this and his was dyno'ed at 91 and to be honest you couldnt tell it when running with him. If 1 peson were to take it to the dragstrip and do several runs then jump on another Magna and pull several runs you might see a hundreds maybe a tenth.
There is no doubt the V&H with K&H need more fuel than the DD jets/shims are setup for and seems you are finding with larger idle & main jet offerings to find what that particular setup likes. I plan to play with my Project 96 in the coming weeks (more like months I am lazy LoL) on tweaking it, however this set of carbs has been altered with the Dyna-jet kit so that is an entirely different set of parameters to work with...
Too bad your in the great white tundra as I would like to see/ride your Magna to comare to the many others I have worked on to see how it compares. Guess I could talk my son Devin into buying the V&H and setting his up with your setup LoL.
Yeah it would be cool to come down there :) I have a few weeks off at the end of this month into next month. I'm going on a ride to PA and then after that maybe run to upstate NY to see a friend, but after that, I don't know. Maybe (if the wife lets me, lol) I could make it that way. It's probably too long of a drive though, and I only have about 4k miles with riding experiance, and this is my 1st road bike. We'll see :) BTW, I am going to take this to the drag strip after all is said and done. There is one down by my mom's house in Milan, MI .
I also installed (partially so far) the Pingel electric easy shift, which will be fun to use on the strip. It is basically a large solenoid that you mount to the shift lever, and there is an ignition module that cuts the coils for a split second and unloads the trans, and shifts up or down at partial or full throttle. :) I have all but the solenoid mounted, and tried the ign. kill box and that works great. I'll keep you updated when I dyno this thing :)
This is where we are at currently.
From my readings and input from Magna owners, a stock Magna needs the DD Kit.
Pilot Jets on all could stand a change to #42 but it's on the bubble and works well enough with the stock #40's installed. Personal choice, depends on how much you want to spend and how finicky you are.
I think Greg's beliefs are, Cobra exhaust does not flow as much air as V & H's and my findings are parallel with this. This is subject to change with more Cobra exhaust testing.
I believe most of these are around 500 ft above sea level. High altitude you will have to be on the leaner side.
So far it is coming down to this.
______________________________________________________________________________
Stock Filter
Stock Exhaust
DD Kit which includes
Shims – 1 (additional)
Mains #105
Pilots screws 2 ¾ - 3 Turns out.
Option - #42 Pilot Jets
__________________________________________________________________________
K & N air filter
Stock Exhaust
DD Kit which includes
Shims – 2 additional
Mains - #105
Pilots screws 2 ¾ Turns out
Option - #42 Pilot Jets
Order another set of shims from DD so you can have a total of 2 additional shims per Needle Jet.
_____________________________________________________________________________
Currently working for a MOOT Member
K & N air filter
Cobra Exhaust
DD kit which includes
Shims – 2 (additional)
Mains - #105
Pilot screws 3 Turns out
Order another set of shims from DD so you can have a total of 2 additional shims per Needle Jet.
Option,
Not tested, IMO, I think you could comfortably change the Mains to #108 Kehin Part #99101-GHB-1080
Probably should change to the #42 Pilot Jets
______________________________________________________________________________
Allen
K & N air filter
Jardine Megaphones exhaust
Shims - 1 (additional)
110 - Mains
45 - Pilots
Pilot screws - 2 3/4 turns out
With what I have done it is ALOT better almost pulls the front end up and it goes all the way to REDLINE, does it need more tweaking, yeah probably, but it is close for sure !!!!!!
Note: possible go to 42 pilot jets and lean the idle jets a 1/4 turn more.
_______________________________________________________________________________
Chad
K & N air filter
V & H exhaust
Shims – 2 (additional)
Mains – #110 or #112
Pilots - #45
Pilot screws 2 ¾ turns out
____________________________________________________________________________
This list will probably need to be tweaked as people test and try these settings but should be better than before.
These settings are in MOOT Member bikes and actually working so they do have history behind them but might need tweaking as we become more experienced with various setups.
These settings look to get us closer to hitting the mark right the first time and having the Magna run better to boot! The #45 Pilot Jet might work in all the bikes, but without further testing I stayed on the conservative side until more is known.
Lance, you read my mind. That is what I was going to recommend if you wanted to further tune your bike, this all boils down to personal choice and it is a pain to remove the carbs, if you are satisfied as is, but in the future if you pull the bank of carbs you might consider changing your jets.
With manufacturing like it is and tolerances tight, all bikes should be so close you would not noticed a difference and the jetting that works for one should work for the next, all things being equal. As Allen states sometimes differences do show up, altitude will affect this to a large degree and what the rider perceives is a factor.
All the input from various members was great and needed to take us a step further with our tuning needs. Chad, thanks for all your input as it is time consuming to do the testing you performed. I have done the same on other bikes and it has taken months to dial it in correctly with time constraints. Spending the time and taking this up a notch is much appreciated.
As some of these settings are already in place, the more we experiment with the above and gain insight the more informed we will become and get this more precise.
Chad, I will re-jet to what has worked for you, it won't happen tomorrow but it will happen. Didn't mean to run you through the ringer :evil: but I ask a lot of questions and re-ask to see what answers I receive. If there are holes or your answers don't jive up than the credibility of your answer in my mind is questioned as to whether you are "selling me" your idea or there is integrity in your answers. One of the reasons for the MPG question. :P Someone says their still getting 40 MPG and "getting on it" or riding in the higher RPMs is what you might call ( no, I don't think you are being untruthful) maybe.... stretching the truth, fish story, overzealous (easy to do), or not keeping good records. Our decisions are based on what we are told so accurate info is of utmost importance. :P
Looking forward to your Dyno run sheet. :-P
Hi all new to Moot here,
but i have been doing alot of research on changing the jets and the number of shims on Moot, the Magna BBS and few other sites.
My Magna is currently completely stock but that is about to change rather promptly, i have DRP's shim/jet kit but i'm almost thinking i should go up a size to 110 mains now and either 45 or 42 pilots with 2 shims.
I have a K&N air filter to go in, and i plan on doing the Stock exhaut mod#2 at the same time since i can't find Jardine exhaust anywhere.
I'd like to minimize the number of times i have to pull the carb banks as possible, since i dont have a proper shop to be doing it in and it will all be "Roadside" work :(
I also plan to sync the carbs when i change the jets, I built a similar Manometer to this http://www.airheads.org/content/view/183/56/ for syncing the six pack on my 350 and it worked like a charm.
so this is what i'm thinking so far
K & N air filter
Mod#2 Exhaust
Mains – #110
Shims – 2 - Stock+DRP
Pilots - #45 or #42
Pilot screws 2 ¾ turns out
I know it will probably run a little rich but you know what they say "You can always go Rich, but you only go Lean once"
And i do plan on buying some aftermarket pipes, i'm just not sure what yet. Probably Hard Krome or V&H, i really like the 4 into 4 look and i think suppertrapp only make a 4 into 2 for the magna i could be wrong, anyways i digress any suggestions would be great.
Oh yah i currently have a weird issue with starting, if the bike is cold and its been cool out it fires up right away no choke, but if its been sitting in the sun for a several hours on a nice day it wont start until i pull the choke full open and give it a little gas when i hit the starter this just started happening about a week ago now any suggestions?
Vapor Lock?? Wife's did it a couple of days agoQuote from: Justin on June 05, 2008, 11:03:10 AM
Oh yah i currently have a weird issue with starting, if the bike is cold and its been cool out it fires up right away no choke, but if its been sitting in the sun for a several hours on a nice day it wont start until i pull the choke full open and give it a little gas when i hit the starter this just started happening about a week ago now any suggestions?
QuoteI'd like to minimize the number of times i have to pull the carb banks
Justin, I know what you mean.
Same principle, measure twice and cut once. That's why I research, ask, think, research, ask before I dive in to limit my labor hours.
Why don't you wait until you get the pipes than do it all at once. Ask someone to hold a wrench session and bingo! If it is around here close I will come and rejet at the same time.
I am in the frame of mind, this is me and what I would do if I was unable to wait. I would setup my carbs as I wanted so when the pipes were installed I'd be set. Easier for someone to say, not to go this route and pull the carbs back off, but there not the ones doing the work , I am. :-P
Your setup looks good for where your going but I have no experience with Jardines. Based off of what Chad said I would do the #45 jets and 3 shims as I would think Jardine Drag pipes would flow well.
According to Greg, you can add shims w/o removal of carbs so you could leave them at 2 and add another later if needed. Pilots, either #42 or #45 I am sure would be fine, it's a guess at this point as these are areas some of us have not ventured into testing much, #45 I can turn-in to lean out.
I tried to compile the data in a user friend comparison for each to decide what they want to try based off of others.
When you do whatever you do get back and let us know how it works. Now, if you can find the last pipe!
The Jardines drags dont flow as much as the V&H.
I'll definitely let you know how it goes and my results, normally I would wait but I'm supposed to go on a road trip next weekend and I'd like to put the K&N in and modify the exhaust so i could actually hear it somewhat next to my buddies Harley's because atm I'm lucky if i can hear the engine RPM next to the 3 of them, I'm also in the process of switching the bike over to all Amsoil products which i also plan to do at the same time.
I don't know if this has been mentioned but K&N also makes a performance oil filter for the 3rd gen Magnas thats chromed I picked it up at my local bike shop for 15$ CDN out the door which is 45$ cheaper then the OEM one from the Honda dealer and its supposed to be designed to work exceptionally well with synthetics just FYI.
Unless you happen to live close to the 69th parallel TLRAM1, I don't think ill be getting much help on my bike :-P
I know 3 down 1 to go thanks again for that link, i emailed the guys at East Coast Cycle Center I'm just waiting to hear back now hopefully they have a 4th jardine kicking around somewhere that they just decided not to put up on eBay for some reason.
Thanks Greg ill keep that in mind.
Quote from: Greg Cothern on June 05, 2008, 03:22:56 PM
The Jardines drags dont flow as much as the V&H.
Considering this, most anything you do will be new territory! Lucky you... :D
Justin, you mentioned CDN monies....what altitude are you at? If you are at a high altitude all of this changes.
QuoteUnless you happen to live close to the 69th Parallel
I don't know what that is, sounds like it's off NYPD. :P anyway sounds too far away.
Unless we are doing a road trip to Alaska we will not be meeting LOL Beautiful country up there though !!!
I'm as south as you can get in Canada about a hour and a bit ferry ride from Seatle, WA, and I'm at Sea Level, average temperature(at least while I'll be riding) about 10C - 30C max or 50F-90F for you imperialist :smile:
On that note though I might go on a road trip through the Canadian Rockies this summer, if I do ill let you know how the bike performs with the change of altitude.
Had a friend when I was a kid he was from there ..
I took mine to Colorado last July, the bike lost it's pep and I was in the 7000 -12,000 range. I didn't know how much until I came back down to a lower level.
It's great to be talking to people in different country's.
Found this article, it may help why changing the pilot works. It is geared for a harley, but they still use a kehin cv carb, similar in design to ours.
http://www.trak-tek.com/products/airCleaners/ramFlo/installation/cvCarbJetting.html
Very interesting shows people how the slow and main work at idle and full throttle Cool!!!!!
Yah Awesome post, really helps to clarify how the CV carbs work.
I am a little confused again. I thought the pilot jet was next to the main jet and it does not "adjust" by
turning it in or out, it simply screws in like a main jet. The d-head fuel mixture screw is what you adjust,
is that not correct? Is it the mixture screw that some are changing out for a larger (42 or 45) size, or
is it the pilot jet that is being swapped and then re-adjusting the fuel mixture screw? Or am I just confused
about the terms being used? I want to be straight on all this before I try to get my bike running correctly
this weekend. Thanks again.//Matt
Matt,
It is the Pilot Jet being changed #42 or #45 and the fuel screw "D" shape is being adjusted. The Pilot Jet screws in and is non-adjustable other than changing to a different size.
OK, thanks for that Terry. I am ready to go with 110 and 112 mains and 42 and 45 pilots to
experiment with. I'll report back.
Quote from: Magnatic on June 06, 2008, 06:18:34 PM
OK, thanks for that Terry. I am ready to go with 110 and 112 mains and 42 and 45 pilots to
experiment with. I'll report back.
Please do, anxiously waiting your report.
Terry, Greg... do you guys think adding 105 mains to my bike will help it? If it is a midrange issue it won't purtain to wide open throttle right?? :???: Lance
Lance this is you correct?
___________________________________________________________________
Lance
K & N
Stock exhaust
Shims - 2 additional
Pilots screws out 2 3/4 turns
This helped my bike quite a bit, hardly any drop or stumble now at all.
Thanks Lance for your input.
_________________________________________________________________
I didn't understand your last question. Main Jets will help mid-range some as your Needle Jet (on some carbs) goes through and works from your Main Jet. Thus a larger main will allow more fuel to flow around your Needle Jet. I don't know how far down the Needle goes into these carbs.
Depends where your issue is?
It runs fine. Just wondering if putting the 105 mains in would be worth the time of pulling carbs, and make it run even better.. :grin:..Lance
I hear ya,
If it were me I would eventually do it but I am performance driven. :-P It did help the top end on mine. You could wait until a wrench session.
To each his own, of course, but I am of the school that "If it ain't broke, don't fix it!" :cool:
It ain't broke, but can you make it better? That's my philosophy 8-) I've got a soon to be fired co-worker that strictly follows that old addage. Doesn't fly in my line of work. :shock:
105 Jets are not going to hurt top end, they will make it better in his case. Those jets came stock for the European bikes.
FYI, When you add pipes / air filter you should rejet, even if you think it's running correctly, or you're going to end up owning a Hardley Dependable bike one day after you burn a hole in the piston from running too lean. :sad:
Chad helped me rejet my carbs last weekend. He put in the 105 mains, and we added two additional shims to the needles for three total on each. Turned the d screws out to 2-3/4 turns and I added the K&N filter. Rode it home from his house (about 60 miles) and it ran good and strong. I still have a slight hesitation before it fully warms up, but it goes away.
Brian, I think if we upped the pilots to the next size (42) that would go away. If it bothers ya, we can try it. Let me know.
Ba, i am identical to you on your set-up. I added 2 drp shims for a total of 3 and have the pilots turned out 2-7/8 turns. I also have the k&n filter with bone stock exhaust... I think when i get back from MOOTmag i will add the 105 jets that came with the DRP kit and according to chad maybe add #42 pilots. I guess you guys have talked me into it.. :-D :cool:
Lance,
When we talk about shims we are referring to the added shims not the original one that came on the bike. Not a problem but did want to clarify and I will change the post on your carb set-up.
Thanks Terry... I just want to make sure i let everyone know the total number of shims when we are discussing... :grin: I have seen some confussion with this in the past.. :P Lance
Here's my saga;
Started with bone stock bike purchased with 11,7xx miles. Ran fine except the
often reported rough spot around 4k under part throttle.
Next added K&N, Vance&Hines, and DRP kit(105 mains and 1 extra shim). Now
the bike ran worse, very pronounced popping on accel and decel and bucking/rough
running except under hard throttle. Experimented from 2 1/2 to 3 1/2 turns out on
mixture screw, will not run right.
Next added additional shim for a total of 3 including the stock one. Ran even worse
yet, not ridable except to experiment with mixture screw settings and that was no
real improvement. I am baffled at this point as others have same set-up as my last
two attempts and their bikes run fine.
Today changed mains to 110 and pilot to 42 with 2 3/4 turns out on mixture screw.
Halleluia!! Bike runs strong with seamless powerband up to redline. I ran down to 35mph
in 5th and kept light throttle and it was smooth whereas before it would have been
very uneven. My only issue is some popping on decel so I will go out another 1/4 to
1/2 turn on the mixture screw and hopefully that will go away, but even if not, the
bike is running strong finally. Maybe when winter gets here I will experiment with the
112 mains and 45 pilots just out of curiosity, but for now I can start saving some gas
money on my 80 mile roundtrip commute.
Many thanks to this forum and the exchange of ideas that have been invaluable to me//Matt
Matt, after I finished modifying my carbs, it took a while for the popping on decel to completely go away. I had made a mental note to revisit the settings to address the non-urgent issue, but now it decelerates without a whimper. My guess is that there were deposits of carbon or other gunk that glowed a bit and caused the popping. Once they cleared away, all is well. :cool:
That's good to know Lawrence, I'll pour some seafoam into the gastank and just ride it
for awhile as is before messing with the mixture screw. Thanks.
I am using the 45 pilots/112 mains 3 shims on each needle and 3 turns out seems to be the sweet spot. I tried 2.5 and 2.75 turns but lack of power until turning out to 3 full turns. I am glad to hear that someone with the same setup took my advice. :) If you like it now with the power/torque, get ready for the other jets. way more off the line power and it hauls all the way up. I am no lightweight either at 325 lbs. I wondered how that setup with a lighter person would be. Glad to hear some success :) -Chad
Quote from: Magnatic on June 09, 2008, 02:14:10 PM
Here's my saga;
Started with bone stock bike purchased with 11,7xx miles. Ran fine except the
often reported rough spot around 4k under part throttle.
Next added K&N, Vance&Hines, and DRP kit(105 mains and 1 extra shim). Now
the bike ran worse, very pronounced popping on accel and decel and bucking/rough
running except under hard throttle. Experimented from 2 1/2 to 3 1/2 turns out on
mixture screw, will not run right.
Next added additional shim for a total of 3 including the stock one. Ran even worse
yet, not ridable except to experiment with mixture screw settings and that was no
real improvement. I am baffled at this point as others have same set-up as my last
two attempts and their bikes run fine.
Today changed mains to 110 and pilot to 42 with 2 3/4 turns out on mixture screw.
Halleluia!! Bike runs strong with seamless powerband up to redline. I ran down to 35mph
in 5th and kept light throttle and it was smooth whereas before it would have been
very uneven. My only issue is some popping on decel so I will go out another 1/4 to
1/2 turn on the mixture screw and hopefully that will go away, but even if not, the
bike is running strong finally. Maybe when winter gets here I will experiment with the
112 mains and 45 pilots just out of curiosity, but for now I can start saving some gas
money on my 80 mile roundtrip commute.
Many thanks to this forum and the exchange of ideas that have been invaluable to me//Matt
Matt,
Thanks for reporting back your results, it adds more credence to what Chad has stated.
That's good to hear, especially since the challenges you had to overcome.
Matt,
You have
K & N
V & H exhaust
Shims - 2 (additional)
Pilot - #42
Mains - #110
Pilot Screw - 2 3/4 turns out
Chad beat me to it, as I was typing he responded. I was going to list tyhe difference between you and Chad.
Chad,
I would like to clarify, you added 3 shims in addition to the stock one, correct?
No, only running a total of 3 shims. i'd wonder what it would do if there were 4 total.. hmmm. maybe i'll try it for kicks one day. but to reiterate, 3 shims total on each needle, 45 pilots, 'd' screws 3 turns out and 112 mains.
Quote from: TLRam1 on June 09, 2008, 05:43:50 PM
Matt,
Thanks for reporting back your results, it adds more credence to what Chad has stated.
That's good to hear, especially since the challenges you had to overcome.
Matt,
You have
K & N
V & H exhaust
Shims - 2 (additional)
Pilot - #42
Mains - #110
Pilot Screw - 2 3/4 turns out
Chad beat me to it, as I was typing he responded. I was going to list tyhe difference between you and Chad.
Chad,
I would like to clarify, you added 3 shims in addition to the stock one, correct?
Chad,
I'm sure the lure of more power will have me trying the 112's and 45's, but
I wanted to start with the next step up first for comparison purposes. Of course
I did buy the 45's and 112's at the dealer already, so it's just a matter
of time.//Matt
Got it Chad, maybe I am the one using the wrong terminology that's why it was confusing to me, anyway I changed all Shims numbers to additional shims.
If I am the one using the wrong terminology I may need to go back and re-change or add a "total of", to the number of shims.
After the jets, the next thing for performance that you will love is the Dyna 3000 ignition module. there are 10 preselectable timing advance curves, and a chart that shows just what each curve does. i am on setting #4 right now which starts initial timing at 1500 rpm instead of 2000 and the curve is steeper than the stock curve. it also has preselectable rev limits (i have it set at 11k) and it elimates the stock timing retard of 5 degrees at 9500 rpm which helps out top end a bunch. on the factory setup, when you get close to redline the ignition module retards the timing and the bike began to slow up a bit. it has been dyno proven to add an addional 2-3 hp at the wheen just by adding this. i am also running premium gas, which with advanced timing helps the burn slow up a bit. if i run 87 i notice it is a tad bit slower with not as much power. if you want to save on gas and not run premium, you can just set the dial on the Dyna back to the stock setting and choose not to advance the timing/mess with the curve. It's the best of both worlds. performance at your fingertips :) hope this helps. -chad
Quote from: Magnatic on June 09, 2008, 06:51:57 PM
Chad,
I'm sure the lure of more power will have me trying the 112's and 45's, but
I wanted to start with the next step up first for comparison purposes. Of course
I did buy the 45's and 112's at the dealer already, so it's just a matter
of time.//Matt
I am still working to correct this shim issue. Refresh my memory, does the DD Kit come with 1 or 2 Shims per Needle Jet?
there is one shim on each needle (stock) and the Dave Dodge kit supplies one additional shim per needle for a total of two.
I went back and corrected the shim numbers all my post and the carb setup post to reflect what should be correct. My mistake but went over the post numerous times and I am shimmed out! Maybe I have it right. Whoosh, hope so, let me know if you see a mistake.
Sounds like we are finally getting somewhere with k and n and vance and hines exhaust. Thanks guys for sharing info on jet sizes and everything... :grin: When i get back from MOOTmag, and add some aftermarket pipes, i will have a good place to start... 8) Leaving for MOOTmag shortly, wont chat until i get back... See everyone at MOOtmag...Lance
Have Jardines and K&N we will see at MOOTMag LOL See ya there !!!
Hey guys, question for ya... I'm thinking of adding the 105 jets tommorrow, but I am wondering if I should'nt go ahead and put the 107.5 jets in? Do you think it would be too rich.. I just cut off the resonators and have a k and n air filter. This way when i change exhaust, this mod will allready be done. According to some here on the site, these jets will make it run better.. Any thoughts... Or should I just stick with the 105 jets.. Allen, what size jets did you put in before you came to MOOTmag?? Were you pleased with the way it ran?? Would 107.5 jets be wrong for my exhaust? Too rich?? Thanks, Lance
We are about to switch my sons 96 jets to 107.5. His has the muffler mod and K&N also, but with DRP 105 jets and an extra shim. Low end is just about perfect, but the mains appear to be a bit on the lean side.
Thanks Greg... I think i will go ahead and get the 107.5 jets then.. Coming to work this morning at 3 am (co-worker on vacation) i had a chance to run "miss behaven" up to 104!!.. :cool: What a rush. However, she seemed to fall off a little at around 85 and up, so i believe you guys are right about needing some more fuel at top end.. Thanks for your help... Lance
So what would be the effects with my resonators already removed and now add a K & N air filter. What will I gain and lose with this setup. I believe the previous owner have shimmed the jets.
Robert, if your bike is stock except resonators removed and shims, I would NOT install a K&N....... It will lean it out, thus requiring a jet change if you want it to run in the correct fuel to air ratio....
Shims are Greek to me!!!
85 VF700C with a MAC 4 into 1 header and a Dyno Jet 1119 Jet Kit.
Had alot of problems with the mains, Dynojet supplied 4 120's and 4 124's mains for this kit. My stock main jets sized at 95 for the front carbs and 98 for the rear; V4. In short, used 106 mains on the front, with the longer header flow and 102 on the rear after the baffle box from the stock exhaust was removed. MAC utilizes a 4-1 megaphone with a high flowing baffle. Had to modify the vacuum sliders by drilling an additional hole so the slider could release pressure faster.
There are 3 honda dealers in Northwest Arkansas.. When I called to make sure they had the 107.5 jets in stock, no one did.. "We can order them, be here next tuesday".. They had 110 112 125 etc.etc. I could not believe this. Anyone else have to order their jets to get them in?? I decided not to wait and instead, pulled the carbs yesterday evening and put the 105 jets that i got from dave dodge in instead.. I know i should have waited, but I am going to run these 105's for a while and keep watching plug color.. Seemed to run better on the way to work this morning, especially on top end.. I'll keep everyone informed... Lance
107.5 jets are not kehin (honda) jets. 108 is. I ordered off the web so I can't say for sure if the dealer would have had them in stock. Here is the website from Kehin, the maker of our carbs. you will see they don't make a 107.5
the main jet starts with this number: 99101-393 and is 8mm and the slow jet starts with this this number:99103-420
these numbers are kehin numbers, not honda numbers. if you order trhough honda you will need to give them their part #
the part number for the 108 jet is: 99101-GHB-1080
http://www.keihin-us.com/list.htm
They new that I needed 108 jets, because they corrected me when I asked for 107.5's. :-D Still, they didn't have them in stock. None of the 3 dealserships. They also new that they were keihin jets. :smile:
did you order them already? if not, i have the set that i tried in my bike for a few weeks. i upped my jets to 112's . let me know if you need them, or if anyone else may need them. i also have the 107.5 jets i ordered but never installed, 110 jets, 42 pilot jets and the stock 40 pilot jets and stock 102 main jets.
Chad, no i haven't ordered them yet. If you want to sell them or something I would be interested. Let me know what you want for them, or send me a pm and we can work something out man. :-D I would rather buy them from a fellow MOOTster than a stealership anyway.. Thanks.. Lance P.S Is there a difference in the 107.5 and 108 jets, or does keihin produce them both?? Kind of confused with these jets being so close together.
107.5 or 108 If they had one or the other I would get either one that is so close that it would not make a difference either way since Chad has them I would get those for sure you will have it whooped !!
Hey Allen, what size main jet did you put in before MOOTmag. I remember you telling me you changed them, just don't remember the size you said. Oh, and I had to explain the phone calls you made, my wife thinks I have a girlfriend. :shock: LOL :cool:
i'll give 'em to ya for shipping costs, no biggie. they are like 3 or 4 something each from the stealership, and it would cost probably like 5 bucks to ship to ya. they are just sitting here so i'd like to have someone be able to use them. the 108's are true kehin jets, the 107.5's are very close in size but not true kehin jets. I forgot where I got the 107.5's from, but they use the smae scale as the kehin jets (so they say anyway) I forgot who makes the 107.5's but i'm sure i could find out. whichever ones you want, just let me know, give me an address to ship to and i'll get them out for you tomorrow. email me at chadschloss78@aol.com. talk to you later. -chad
Thank's chad. I sent you a pm thru this site. My computer is toast at the house right now. (kids) Lance
Hey Lance don,t blame me for getting caught :lol: :lol: :lol: :shock: LOL just kidding anyhow yeah I have the 110s on the mains and 3 shims and 45 on the idlejets I am going to change the idlejets out for 42s I think and take a shim out thinking I am a little rich on the lowend. I mkight try in this order adjust the pilot screws down to 2 and 1/2 try that then if that does not work go to the 42s.. Will keep you posted.
Sounds good Allen. With my stock exhaust, I believe the 108 jets that Chad is sending me will work great. :D Thank's again everyone for the tips on jets. As soon as I get them, I'll install and see how it runs. Just recently put in the 105's and it made a difference on top end. If I had it to do over again, I think I might have kept the stock air filter vs. K/N. - as everyone is starting to suggest.. Lance
My understanding is that the 108's are actually 107.5's.... According to a couple of sources.
Hate to tell you you're wrong, greg, but they are not the same. the 107.5's are made for the kehin carb, but they are not 'kehin' jets. they are aftermarket jets. i have both jets sizes, well i had the 108's, i just mailed them today to LJ bad mag, and i still have the 107.5's i've never installed. he went to the dealer and they confirmed this as well. The 107.5's I have are EBC brand, here is a link:
http://www.phatperformanceparts.com/ProductDetails.asp?ProductCode=EBC%2DKEIHIN%2DSLOT
Right on their page it says 'these are not kehin jets, they are a high quality replacement'
the 107.5 part number is here: 1006-0141
Welllllll lets see I have had sometime to check things out on mine... I have 110 jets and 45 pilots had 3 shims and 3 and 1/4 turns out on the pilot screws. I have Jardine pipes with K&N filter.
So with that going back and forth to work everyday averaging about 70 to 75 MPH pretty much my gas mileage was around say 35 or so got about 95 to 97 to reserve. Now I have taken a shim out and adjusted to 2 3/4 turns out on the pilots LOTS better the plugs looked a little rich but not terrible just figured I would give a report back. OH I also tryed leaving the airfilter snorkle out!!!! Well it did not like it let me tell you so for anyone thinking about it I have tryed it and it do not work !!!!
Now with what I have done it is ALOT better alomost pulls the front end up and it goes all the way to REDLINE does it need more tweaking yeah probably but it is close for sure !!!!!!
I believe from our talks that a 42 pilot jet (1 size larger than stock) and 108 main jets (107.5 whatever we want to call it LoL, which is virtually 2 sizes larger than stock) with 1 additional shim on a K&N and aftermarket mufflers would be right on the money..........
Good information Allen.
I was going to ask you about this since you were playing with jetting some, thanks for the update.
You have Jardine Drag pipes, correct?
If you tweaked further what direction would you go, where would you tweak?
Do you think the Jardines and the V&H's flow the same or is one more restrictive ie: larger hole down the middle of the pipe?
I have heard that about the snorkel, removing it will mess with your air flow viscosity and result in air turbulence instead.
Greg, everytime you and Chad would discuss the 107.5 vs 108 jets I would change All my posts. After 3 times of changing all the post and 20 times of correcting my mistakes I left it at 108 because Chad had a part number. You 2 wore me out. :P
Well they are the Megaphones and if tweak anymore maybe go to the 42s like Greg has mentioned and maybe lean the Idle jets a 1/4 turn more or so but it is very close for sure!!!
I added your info below Allen and on the other long accumulative post on page 3.
Below are the results to date;
----------------------------------------------------------------------------------------------------------
This is where we are at currently.
From my readings and input from Magna owners, a stock Magna needs the DD Kit.
Pilot Jets on all could stand a change to #42 but it's on the bubble and works well enough with the stock #40's installed. Personal choice, depends on how much you want to spend and how finicky you are.
I think Greg's beliefs are, Cobra exhaust does not flow as much air as V & H's and my findings are parallel with this. This is subject to change with more Cobra exhaust testing.
I believe most of these are around 500 ft above sea level. High altitude you will have to be on the leaner side.
So far it is coming down to this.
______________________________________________________________________________
Stock Filter
Stock Exhaust
DD Kit which includes
Shims – 1 (additional)
Mains #105
Pilots screws 2 ¾ - 3 Turns out.
Option - #42 Pilot Jets
__________________________________________________________________________
K & N air filter
Stock Exhaust
DD Kit which includes
Shims – 2 additional
Mains - #105
Pilots screws 2 ¾ Turns out
Option - #42 Pilot Jets
Order another set of shims from DD so you can have a total of 2 additional shims per Needle Jet.
_____________________________________________________________________________
Currently working for a MOOT Member
K & N air filter
Cobra Exhaust
DD kit which includes
Shims – 2 (additional)
Mains - #105
Pilot screws 3 Turns out
Order another set of shims from DD so you can have a total of 2 additional shims per Needle Jet.
Option,
Not tested, IMO, I think you could comfortably change the Mains to #108 Kehin Part #99101-GHB-1080
Probably should change to the #42 Pilot Jets
______________________________________________________________________________
Allen
K & N air filter
Jardine Megaphones exhaust
Shims - 1 (additional)
110 - Mains
45 - Pilots
Pilot screws - 2 3/4 turns out
With what I have done it is ALOT better almost pulls the front end up and it goes all the way to REDLINE, does it need more tweaking, yeah probably, but it is close for sure !!!!!!
Note: possible go to 42 pilot jets and lean the idle jets a 1/4 turn more.
_______________________________________________________________________________
Chad
K & N air filter
V & H exhaust
Shims – 2 (additional)
Mains – #110 or #112
Pilots - #45
Pilot screws 2 ¾ turns out
____________________________________________________________________________
This list will probably need to be tweaked as people test and try these settings but should be better than before.
These settings are in MOOT Member bikes and actually working so they do have history behind them but might need tweaking as we become more experienced with various setups.
Terry I disagree with your first 2 setup statements, if exhaust and air filter are stock then one additional shim and pilot adjustment are all that are required.
I would NOT recommend a main jet change unless a combo of K&N and muffler mod/aftermarket.
With just K&N and muffler mod, then I would go with jets and 1 additional shim and pilot adjustment, my sons bike is setup like this and it is almost perfect.
I also will go on record and say in advance that before its all said and done that Allen will end up with 42 pilots and 108 (107.5) jets. I personally think for K&N and higher flowing aftermarket mufflers this is going to be the BEST setup (minus the dyna-jet kit).
Greg,
Let me re-read this thread and see where I acquired the info and post questions if any arrive, no time at the moment, give me a few days.
On Allen's I will make changes to his jetting as he updates. That's the purpose of adding his name for someone who might want to question what he has done or further advice as to his satisfaction.
I have read many times the Magna was jetted differently for other parts of the world but leaned out for the USA? Are you or anyone familiar with this statement? I believe that's where the first post comes from.
On the second setup it does have a K & N filter but no muffler mod. I don't know where this one came from but I will check and post questions. The second setup you are saying to drop one shim and no jet, correct?
Your sons has (Edited)
K & N
Muffler Mod
Shim - 1 additional
Mains - 105
Pilot Jet - 2 7/8 Turns out
Almost Perfect.
Terry on my sons bike it has the DD jets and shims with K&N and muffler mod. Pilot jets are 2 7/8 out if memory serves me.
I was going to post this under the Vacuum thread than decided it is better to start a new thread.
What I am reading under the "VACUUM LEAK" THREAD is a bike with a K&N and pipes benefits from a 3rd shim, is that correct? If that is the case it should help on all 3rd generation bikes with the same set-up, correct?
What has been anyones experience?
Has anyone upped the pilot jet? Pilot jets are too small with the 3+ turns out, how much difference that will make, I don't know.
Are there starter jets in these carburetors or what acts as the accelerator pump?
Tried different needle jets?
Anyone taken the main jet higher than a 105, what's your take?
I have not researched any of the above and somewhat asking these questions premature as I am not ready to take the plunge and dedicate the time yet but this info will help form some opinions.
In the future I had planned to buy various sizes of jets and spend a few days tuning mine in but this might give insight as to what will work or what has been tried.
I will change the above as "I would like to in the future". :-P Time and needs are always the issue.
Any input you have will help us all out, so speak your minds, opinions and experiences.
----------------------------------------------------------------------------------------------------------
This is where we are at currently.
From my readings and input from Magna owners, a stock Magna would benefit from the DD Kit. For sure you need to add a Shim and turn Pilot screws out to 2 3/4 turns.
Pilot Jets (#40) for a stock Magna work well, once you do a couple of modifications a change to #42 Pilot Jets would be of benefit. Personal choice, depends on how much you want to spend and how finicky you are.
Greg's beliefs are, Cobra exhaust does not flow as much air as V & H's and my findings are parallel with this. This is subject to change with more Cobra exhaust testing.
I believe most of these are around 500 ft above sea level. High altitude you will have to be on the leaner side.
So far it is coming down to this.
______________________________________________________________________________
Stock Filter
Stock Exhaust
Shims – 1 (additional)
Pilots screws 2 ¾ Turns out.
I have read in several places this statement, I have nothing to back this up but thought I should include the info----- The DD jet+shim kit is designed for a bone stock Magna including the exhaust. In fact, it is the factory stock setup for Non-USA Magnas.
Option,
#105 Mains
__________________________________________________________________________
Lance – (L J BAD MAG)
K & N air filter
Exhaust Mod
Shims – 1 additional
Mains - 105
Pilots screws 2 ¾ Turns out
Option,
#42 Pilot Jets
#108 Mains
Lance - Right now it runs extremely good, no flat spots in the rpm range at all. I think the 108 jets will make it pull harder on the top end though.. MPG 48.
_____________________________________________________________________________
Greg (Greg Cothern)
K & N air filter
Exhaust Mod.
Shims – 1 additional
Pilots screws 2 ¾ Turns out
Option,
#42 Pilot Jets
#105 Mains
Greg - My son's bike is setup like this and it is almost perfect.
I have read in several places this statement, I have nothing to back this up but thought I should include the info----- The DD jet+shim kit is designed for a bone stock Magna including the exhaust. In fact, it is the factory stock setup for Non-USA Magnas.
_____________________________________________________________________________
Greg (Greg Cothern)
Project 96
Stock air filter
SuperTrapps
Dyna Jet Kit - clip in 3rd position (from top or bottom)????
Shims ??
Pilots screws ?? Turns out
Options, ???
The SuperTrapps have all the provided discs (I will have to count again I think it is 9 discs per side but maybe only 7) installed.
Greg - This setup so far seems good down low and midrange. I have not had enough ride time to make a complete informed decision though.
_____________________________________________________________________________
Lawrence (lragan)
K & N air filter
Cobra Exhaust
DD kit which includes
Shims – 1 (additional)
Mains - #105
Pilot screws 3 Turns out
Lawrence - Starting improved, solved the mid-range issue. Popping on deceleration disappeared mileage dropped from 50 to 45 MPG.
Option,
Additional shim may be of benefit but untested.
Not tested, IMO, I think you could comfortably change the Mains to #108.
Probably should change to the #42 Pilot Jets
______________________________________________________________________________
Allen (roboto65)
K & N air filter
Jardine Megaphones exhaust
Shims - 1 (additional)
110 - Mains
45 - Pilots
Pilot screws - 2 3/4 turns out
With what I have done it is ALOT better almost pulls the front end up and it goes all the way to REDLINE, does it need more tweaking, yeah probably, but it is close for sure !!!!!!
Note: possible go to 42 pilot jets and lean the idle jets a 1/4 turn more.
_______________________________________________________________________________
Matt (Magnatic)
K & N
V & H exhaust
Shims - 2 (additional)
Pilot - #42
Mains - #110
Pilot Screw - 2 3/4 turns out
Option,
#45 Pilots
#112 Mains
Bike runs strong with seamless powerband up to redline. Issue is some popping on decel so I will go out another 1/4 to 1/2 turn on the Pilot screw. May try112 Mains & 45 Pilots.
_______________________________________________________________________________
Chad (chadschloss78)
K & N air filter
V & H exhaust
Shims – 2 (additional)
Mains – #110 or #112
Pilots - #45
Pilot screws 2 ¾ turns out
Chad - Torquey, super punchy midrange and unstoppable top end.
____________________________________________________________________________
JETS:
112 Main:
PN: 99101-GHB-1120
110 Main:
PN: 99101-GHB-1110
108 Main
PN: 99101-GHB-1080
45 Slow Jet:
PN: 99103-MT2-0450
42 Slow Jet:
PN: 99103-MT2-0420
This list will probably need to be tweaked as people test and try these settings but should be better than before.
These settings are in MOOT Member bikes and actually working so they do have history behind them but might need tweaking as we become more experienced with various setups.
The purpose of this post is to give as accurate information as we can to people reading and spend less time dialing in he carbs. If there are any issues, let me know.
Greg (and anyone else) check this out, see if this is more inline with what you were saying?
I updated,
A. Left and changed some of the Options.
B. Put in the statement I have read for informational purposes
C. Included names, their statements and links to the names if one has a specific question for them.
D. Pulled the Mains on the first 2 posts but added as an Option along with a footnote.
As you guys tweak further and the results are favorable, lets make the changes.
Terry I will be tossing in another setup to the mix soon as I get some more testing done.
On my Project 96 I have SuperTrapps, Dyna-jet kit, and stock air filter. The SuperTrapps have all the provided discs (I will have to count again I think it is 9 discs per side but maybe only 7) installed. The Dyna-jet kit has the clip in the 3rd position.
This setup so far seems good down low and midrange. I have not had enough ride time to make a complete informed decision though.
Terry, some updates to my bike. I now have the 105 main jets in, in place of stock 102's. I have also richened up my pilot circuitry to 3 turns out. I have since done the muffler mod, where I cut off the resonators. I put the end plates back on. I have the 108 jets I purchased from chad, however, I am going to run this set-up for a while to get a feel for how it runs. Right now it runs extremely good, no flat spots in the rpm range at all. I think the 108 jets will make it pull harder on the top end though.. My mpg has dropped from 45-49mpg to 42-45 mpg. I contribute this to bigger mains and richer pilot circuitry. I could also be just driving it harder because it runs better! :lol:
Updates done.
Greg you have a few question marks on your Supertrapp setup.
Lance when you change your setup and see improvement, get back with us.
Some of the Options are Untested. If anyone test them with negative or positive results, changes can be noted.
Allen and Chad what jets are you not using-want to get rid of?
Anyone one who might have jets, post what you have and maybe a few guys will purchase your leftovers.
I have a set of 105s and 40 pilots will be getting the 42s unless someone wants to trade LOL
Lance, I personally dont think your bike will improve with the 108 jets. I feel it will be too rich.
K&N, muffler mod, and DRP 105 jets with 1 extra shim and 2 7/8 turns out is working GREAT on my sons 96.
Cant remember if you installed a K&N, if you didnt, I would suggest that on your current setup.
I ran the 96 with muffler mod, 105s, and 1 shim on stock air filter and it was rich, MPH dropped. It ran smooth but was rich. When I added the K&N it picked MPH back up and continued to run smooth through the rpm ranges. Plugs confirm its very close on mixture.
Again just what has worked best for me and the several I have tweaked as well as confirmed with the many talks I have had with Dave Dodge on his dyno results when he put together his shim jet kit. The K&N wasnt out at that time, and this does leans things a bit, so with aftermarket exhaust one might think about a 108, but I do not think the stock exhaust even with modifications will flow enough.
To rich of a setup and you will induce greater carbon deposits in the engine... I see this very issue all the time on my RC airplane engines...
Greg, I do have an K/N filter on. It is running pretty good right now. My mpg has dropped some though.
Quote from: chadschloss78 on July 27, 2008, 10:39:11 AM
Let me know if you need them, or if anyone else may need them. i also have the 107.5 jets i ordered but never installed, 110 jets, 42 pilot jets and the stock 40 pilot jets and stock 102 main jets.
Chad had these available from an earlier post.
I know we already know this but with my heavy hand going to and from work I would hit reserve at 94 to 95 miles not good LOL. Anyhow I was coming from work this morning and did 65 the whole way and GUESS what. it was 110 miles before I hit reserve. :shock: :shock: "What we have here is a failure to let off the throttle" :lol: :lol: :lol:
You also have there LARGE main jets SUCKING your fuel tank AND wallet dry quicker!
I have a 99 Magna with somewhat of a muffler mod. :( The previous owner drilled three (3), 3/8 inch holes in each of the muffler back plates but the resonators are still attached. I currently have carbs off and have installed two (2) additional shims to the stock needle set up and will be putting in a K&N filter when it goes back together. I live and ride in the Ozark mountains of Arkansas which is about 1400 feet above sea level. Today I ordered a set of 110 main jets from my local Honda dealer but am having second thoughts about installing them and am wondering if I should try to find a set of 105 mains instead. I've also considered leaving the 102 mains and having the holes in the end caps welded up but am still not sure if the 102 are big enough even with the mufflers put back to stock. I'm also not real sure how the difference in my altitude differs from the way you are setting up in Texas.
Doc, we are about 500-600 ft. above in Dallas.
The 110 mains will be too rich, the 105's I would think would be fine. Much of this is subjective depending on your setup. Some run 2 extra shims and they are okay, others run 1 extra and they are ok. Shims are easy enough to play with and can be added or removed w/o carb removal.
Whatever you decide, ride it a bit to get a good feel than report back and let us know what worked for you.
Do you think the 102's would still be to lean even if I get the mufflers welded back up? Also, help me make sure I'm thinking right here, if I'm another thousand feet higher in altitude than you are, my air is a bit thinner and I would need to set up just a tad leaner than you would in Dallas. Is that correct or am I thinking backwards?
You are correct I would stay with the 102s maybe the 105s but since you have less oxygen up there you need to have less fuel or you will be too rich. Might try a K&N to get as much air as possible...
Where are you located at exactly in the ozark mountains in arkansas. I live in Lowell. We are not too far from eachother!! I would put in the 105's and run it. PM me and let me know where you are at and maybe we can get together and maybe do some riding, look at eachothers bikes... do some riding.. etc. :cool:
I also have 3 total shims installed. 1 factory and 2 extra from dave dodge. Works great. However, I do have my resonators cut off. But I feel I am spot on with carburation. k/n filter, muffler mod, 105 main jets, 3 total shims per needle, and 3 turns out from light seat on pilot screws.. Got 50 mpg on a 80 mile jaunt last week. And the bike runs really strong with no hesitation, and no decel pop.. I would recommend this set-up to anyone that does not have aftermarket exhaust.. Thanks to all my friends at MOOT for helping me get my set-up right!! :-D
You will have to be up more than 1000 feet higher elevation then we are to make a difference. Allen you missed it, he will be putting in a K & N.
Thanks for the help, I went ahead and ordered the 105's last night and will let you know how it runs as soon as the jets get here. By the way, looks like I'll have a brand new, still in the package, set of 110's if anyone is interested. That's what lack of patients will get you.
Well my Matco D tool came in today so I decided to check my air/fuel settings and did I get a surprise. :shock: I had one carb that was 1 1/4 turns out, one at 1 1/2 turns out, one at 2 turns out and one at 2 1/4 turns out. I'm surprised it would run at all. I guess this is a perfect example of why you should give a newly purchased bike a thorough checking to make sure everything is up to par. I can hardly wait for the 105's to get here so I can put it back together and see how much better it runs.
Does anyone have 108 Main Jets?
If you need side cover grommets to keep your side covers in place before the new riding season begins for many people.
Below is the part number.
Side Cover Grommet Magna 94-03
PN: 83551-300-000
You need a total of 4, 2 for each side, cost around 3 dollars each. They are inexpensive, easy to replace and makes you feel good when you are done!
Here is my, Kelly Cothern, set up:
Filter: K&N
Mains: 105
Pilots: 40
Pilot screws 3 ¼ turns
Shims: one
Exhaust: Cobra
will need to do more riding to check gas mileage, etc. last ride was 143 miles, pulled plugs and they are mostly white. pipes are clean no black soot. I think it will benefit from .42 pilot jets. will post again if any changes are made.
His plugs looked a tad on the lean side, not bad though. The temps immediately after the change were a bit on the cooler side thus increasing the lean condition a bit with the cooler dense air.
However I do believe the 42's will be a good addition.
I am about to put a set of the 42's in my Project 96 as I just cant get the decel popping to subside, so a larger idle jet is in order. Remember you want some very minor decel pop or else your too rich on the idle jets.
Kelly,
Is that "1 total shim" or 1 additional making it "2 total shims"?
What's the best deal anyone has found on #42 Pilots or Main Jets, have to figure shipping into this also?
I just ordered some from HDLParts.com $45.96 for the 4 jets and I would have to figure shipping since I ordered other things with them....
that was adding one "additional" shim over stock.
I could have stuck mine with yours to reduce shipping. If we get a few people we can order together and spread shipping out. I'm impatient and may not be able to wait for others. :-P
Quote from: KTC on January 20, 2009, 05:21:55 PM
that was adding one "additional" shim over stock.
Got it! Thanks
Kelly, I have you down for Cobra Slash Cuts, correct?
Also, Lawrence, are yours Slash Cuts also?
Yes, Terry, mine are Cobra slash cuts.
There are 2 types of Cobra Slash Cuts, some with baffles some without.....
Quote from: Greg Cothern on January 20, 2009, 07:00:34 PM
There are 2 types of Cobra Slash Cuts, some with baffles some without.....
I was doing good till You showed up. :-P :-P
I didn't realize this, I have only known about the ones with baffles. Kelly and Lawrence, do yours have baffles?
I bought my shims and main jets from www.Z1Enterprises.com. As I recall I paid $17 shipped for 4 105s and a bag of 12 shims. If you go to their site search for Keihin 99101-393, it will lead you to K&L jets in various sizes. I didn't see any 108 jets though, just 105, then 110 and up from there.
Rod...
Quote from: TLRam1 on January 21, 2009, 12:26:24 AM
I was doing good till You showed up. :-P :-P
I didn't realize this, I have only known about the ones with baffles. Kelly and Lawrence, do yours have baffles?
Terry, I am not sure I would know a baffle from a waffle, but if you look into the back of the Cobra slash cut pipes on my bike, you will see a metal "donut" that fits tight against the inside of the pipe. The hole in the middle is about 1 inch in diameter, and appears to be the end of a smaller pipe. I really don't know what is behind the donut.
Sounds like baffled pipes, I only thought the straights were not baffled. Looking on Cobra's website they only show one exhaust being offered now.
Baffling situation I would say. But, if there is a donut I am there!!! :shock: :smile:
I believe I'm baffled
Lance, I added your post on the first page.
And for others who want to look at re-jetting.
OK, here we go again...
My 2nd '96 will have a K&N filter, and the pipes shown in the picture. I don't know what they are, but they are about as loud as the slash cut Cobras on Old Blue.
I am happy with the mods on Old Blue, but new boy definitely needs some help!!
So my questions are three:
1) What are the pipes in the picture?
2) What jets and shims would you guys recommend?
3) Where to get the kit? Dave Dodge seems to be amoung the missing...
[attachment deleted by admin]
Well I "THINK" they might be Hard Chromes my guess anyway and while Bob is playing in Houston he can pick up the Dave Dodge jet kit I have if thats what you are looking for but I would tear into the carbs on her and see if maybe they have been done already!!!
Thanks, Allen.
I have ordered the K&N, and intend to put the bike up on a lift late next week -- I have decided to change the rubber after finding Cycle Gear has a sale on that weekend for both front and rear Perellis for $200!! I would like to have the kit on hand, as I plan to clean the carbs at the same time.
The bike stumbles in mid range, and decel pops like crazy, so I doubt the jets have been changed. It still has the stock air filter on it. May be the carbs are just grungy, but I doubt it. Am running a tankful with Seafoam in it now.
If you have time to mail me the kit, I will gladly pay you for it. If I don't need it, I will pass it along...
Sending you a PM with my address.
Terry,
I'll be tuning mine on the dyno at school starting next week as long as the weather holds out. Before I start I'm going to change the plugs, check the valve clearance, and sync the carbs. The only mods I have on it are the K&N filter, and two 7/16" diameter holes in the end of each stock pipe. Last summer Chad helped me install the 105 main jets, and two extra shims on each needle. I'll keep you updated as I progress through it and make changes as dictated through the A/F ratio in the exhaust gas.
BA
BA,
Please do, that will be great information to take a look at.