KYMCO Bet & Win 125 User Manual page 24

1
. GENERAL INFORMATION
ENGINE NOISE
Cam chain noise
Crankshaft noise
Symptom
Valve noise
Piston noise
Gear noise
Bet & Win 125/150
Probable Cause
ÅValve clearance too large
ÇWorn camshaft lobe
ÅWorn piston rings
ÇWorn piston pin and connecting rod
small end
ÉExcessive carbon build-up in combustion
chamber
ÅDamaged cam chain tensioner
ÇWorn cam gear teeth
ÉWorn or damaged cam chain
ÑExtended cam chain
ÅFaulty crankshaft bearing
ÇWorn crank pin bearing
ÅWorn or damaged final reduction gears
ÇWorn final reduction gear shaft splines
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