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Old 20-03-19, 09:47 AM   #14
SV650rules
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Default Re: Piston slap or valves?

Quote:
Originally Posted by Fen Tiger View Post
Based on the vid clip (and I know microphones can distort the sound so just guessing) I would be thinking cam chain rattle especially as it quietens off briefly when you increase the revs.
The fact that noise goes away as soon as engine is warm points to something expanding, but doesn't cam chain stay noisy even when warm ?

A lot of SVorgers in USA post that cam to valve clearance actually gets slightly larger as engine warms up, so that should get noisier as well.
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Last edited by SV650rules; 20-03-19 at 09:49 AM.
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