2006-2009 Honda TRX250EX/TRX250X Service Manual, Page 144Get this manual

2006-2009 Honda TRX250EX/TRX250X Service Manual, Page 144

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CYLINDER HEADIVALVECAMSHAFT Remove the two bol ts and tensioner lifter if necessary
Check the cam sprocket fo wear or damageCheck the cam and journal surfaces of the camshaft for scoring, scratc