2006-2009 Suzuki LT-R450 Service Manual, Page 377Get this manual

2006-2009 Suzuki LT-R450 Service Manual, Page 377

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SERVICING INFORMATION

Symptom and possible causes Excessive valve chatter 1 Too large tappet clearance 2 Weakened or broken valve springs 3 Worn tappet or cam surface 4 Worn and burnt cam