transmission clunk!

Started by dan twomey, June 09, 2006, 05:21:54 PM

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dan twomey

Help!  I have a 96 Magna with about 22,000 miles on it.  Lately, in the past few weeks I have developed a nasty, "clunk" in what feels like the transmission when the bike is under load.  Lately I have also noticed that the clunk can be heard, but not so much felt with the clutch pulled in and the bike coasting.  Throwout bearing?  I am at a loss, and not looking forward to paying a mechanic to tear apart a transmission.

Thanks,

Dan Twomey
1996 Magna VF750C
Mount Vernon, WA

Greg Cothern

Dan can you provide a little more information?  Like what oil is being used, is the clunk more from 1st to 2nd gear shift or the others.  Is it when going up or down through the gears?
Greg Cothern
00 Valkyrie Interstate
96 Magna 
Previously owned:
87 Super
96 Magna project bike
95 Magna "Pay it forward"   

roboto65

You might also check your chain for a stuck link or two mine went this last trip and sure can feel it and hear it around that area
Allen Rugg 
76 Jeep CJ

The adventure begins where your plans fall through.

Curtis_Valk

I was thinking chain too, Alan.  I've never heard of any tranny problems, especially at only 22k miles.

Curtis
Rowlett, TX MOOT #315 VRCC #26023
States I've Ridden



No need for a reason other than the journey.

roboto65

Yeah my thoughts two but then again there are lemons hehehehehehe
but then again it is a Honda NAHHHHHHHHHHH
Allen Rugg 
76 Jeep CJ

The adventure begins where your plans fall through.

Greg Cothern

I am thinking he is experiencing the clunk from 1st to 2nd gear usually magnafied by non Motorcycle specific oil.  Just a guess though.
Greg Cothern
00 Valkyrie Interstate
96 Magna 
Previously owned:
87 Super
96 Magna project bike
95 Magna "Pay it forward"   

MagnaMan

Greg, that's the first thing I thought of too. But the remark about it knocking while the clutch was pulled in made me hold off on saying that.
Jesse
Moot #358
'99 Magna (Halloween theme paint job)
Racetech Cartridge Emulators in front forks, Progressive 444s on the rear. Best mods I've ever made to this bike.
Houston

dan twomey

Good suggestions guys  Thanks, I will check the chain.  The clunk very well could be the chain.  I am feeling it in every gear (it is not a shifting clunk that is so prevelent with the 1st to 2nd shift in the 3rd gen. magnas), but mostly when I am up going up a hill, or am riding 2 up.

As for oil, I use a fully synthetic Mobil 1 motorcycle oil, at about $9.00 a quart, with a Bosch oil filter, so I sure hope thats not the problem.  The bike is very well cared for, but if I had to guess, I would say the chain is most likely the original.

dan twomey

On the topic of chains, any suggestions on a good one/price?

roboto65

Well I am probably going to go with an EK chain with sunstar sprockets I think they are the only ones that make a 38 tooth rear and the chain well it is an X ring and is very strong and light weight just looked like the best all around but hey thats just a preference....

As far as yours yeahif that is the original then at 22000 I would say yes it is time. Mine did the same thing during Mootmag underload mostly lugging along or climbing hills it would make a clunk which I had already figured out was the chain but sure knew it was there and worried about it the whole time sure don't want your chain flying off at the wrong time!!!!!!! And it was all my fault not adjusting the chain right.. And to think I knew better and got in a rush....
Allen Rugg 
76 Jeep CJ

The adventure begins where your plans fall through.

Greg Cothern

Dan thanks for the additional information, I agree that it is the chain.  Go with an X ring chain as suggested, they cost a bit more but are well worth it.
Greg Cothern
00 Valkyrie Interstate
96 Magna 
Previously owned:
87 Super
96 Magna project bike
95 Magna "Pay it forward"   

dan twomey

Where is a good place to buy one of these chains?

MagnaMan

Quote from: dan twomeyWhere is a good place to buy one of these chains?

Funny you should ask... Devin has been recently researching this as well. This thread should help:
http://www.magnaownersoftexas.org/forum/viewtopic.php?t=618
Jesse
Moot #358
'99 Magna (Halloween theme paint job)
Racetech Cartridge Emulators in front forks, Progressive 444s on the rear. Best mods I've ever made to this bike.
Houston

roboto65

Well I would say check with Dave dodge first then maybe Dennis Kirk they have a good selection of chains from all the makers and sprockets which I would replace with the chain weather they look good or not..
Allen Rugg 
76 Jeep CJ

The adventure begins where your plans fall through.

MagnaMan

I knew Dave sold sprockets, but I didn't know he sold chains.  I would check with him as well. If you search long enough on the Internet you'll find cheaper prices than Dave, but he freely gives out great technical advice.

He has helped me on 3 issues and I've only bought a $40 jet/shim kit from him. That's why I intend to buy all my braided stainless lines, and now chains and sprockets from him.
Jesse
Moot #358
'99 Magna (Halloween theme paint job)
Racetech Cartridge Emulators in front forks, Progressive 444s on the rear. Best mods I've ever made to this bike.
Houston