strange noise

[Anonymous]

80 GS550.....started making a noise when first pulling off the line. Appears to be coming from the back of the bike. Sounds almost like what a bad CV joint on front wheel drive car sounds like. I have tried rolling the bike with the engine off to get the same sound but no luck.....any clues???

thanks
jcurt2005

[redliner1973]

Sounds like chain skipping on the sprocket, check adjustment and more importantly, check for excess stretch. :twisted:

[AOD]

the sound of burning rubber?

[lhanscom]

Also make sure the chain is lubed.

[Anonymous]

i think mine is making the same noise. it's sort of a dull clunking. i feel it more than hear it tho and it usually happens if i'm going slowly up hill in 2nd or 1st gear.

[earlfor]

Sounds to me like you have a frozen link and the chain is jerking.
I would loosen the adjusters on the chain, push the rear axle all the way forward, and check each link to be sure it pivots freely. Once you have readjusted the chain, chain slack should be about 1" above and 1" below the chain on the bottom run when the bike is sitting on both tires and leaning on the kickstand.

Earl