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Engine (clutch?) Noise


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Clutch basket needs to be replaced.  I have the same issue with mine when the engine is cold.  It started making this noise around 50k miles.  As soon as I pull the clutch in the noise completely goes away.  When the bike reaches operating temperature, the noise goes away.

 

The clutch basket slots wear out, allowing the clutch plates to move back and forth in the basket at idle as the engine speeds up and slows down.  This problem is made worse with poorly synchronized starter valves/carburetors.  Once the engine reaches operating temp, along with the engine oil being at operating temp, the clutch rattle dissipates because the idle gets smoother, metal expands, oil starts to coat the clutch.

 

The noise is annoying and embarrassing is all.  Won't kill or break anything.

 

 

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