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sk8bd117

08 yz450f making clutch chatter sounds

4 posts in this topic

My 08 450 just start making a chattering noise when the clutch is engaged. No sound besides the motor when it is disengaged. So far I've pulled down to the plates. All plates are in tact. No broken bolts or anything. Basket has slight notching but isn't too bad. What could this be? Clutch bearing wearing out possibly?

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That sounds like a loose timing chain...

I would agree with you if it was a constant sound. But it only makes this sound when the clutch is engaged. When it is disengaged, the motor sounds completely normal.

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