SOHC.co.uk Forums > CB500/550
Shocking !!!!!! (as in electrics)
K2-K6:
Rocker faces all look quite good.
A remote possibility, friend of mine had a Buell that was knocking just as you lifted revs off tickover and got louder up to about 2000tpm, were both swayed by reports of lubrication (from other owners) and possibly a big end play. It sounded just like a big end but we couldn't pinpoint it there by using listening rod/stethoscope etc.
Turned out to be the horn casing mounted up on the top yoke and touching the fork stanchion as it vibrated ;D it sounded sooo engine though, but we couldn't initially attribute it to anything in there.
Maybe something in this fashion as nothing would usually change inside the engine if it fell over.
Bryanj:
Seen as in actualy taken apart by me!
K2-K6:
Pipes touching the frame ?
It's relatively easy to bend a rear footrest hanger when a bike falls such that the pipes start touching something to make a clunking resonance.
deltarider:
Those pics look promising good. BTW, the easiest way to check whether the cotter pins are there or not, is to simply lift the breather cover. It's there you'll find the extra 4 nuts... or not. Just a quick look at p.9-10 in the parts list would have told you that.
The cause of the sound may well have its origin in the drop of the bike. Can you inform us some more on which side the bike fell, etc, so the professionals here can make a guess.
royhall:
Will have to leave that up to Alan if he wants to say what went on as I wasn't there when it happened.
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