2006-2009 Honda TRX250EX/TRX250X Service Manual, Page 127Get this manual

2006-2009 Honda TRX250EX/TRX250X Service Manual, Page 127

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CYLINDER HEADIVALVECAMSHAFT

Low compression can be caused by:blown cy linder head gasketimproper valve adjustmentvalve leakageworn piston ring or cylinder High compression can be caused b