2004-2009 Honda TRX450R/TRX450ER Service Manual, Page 209Get this manual

2004-2009 Honda TRX450R/TRX450ER Service Manual, Page 209

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CYLINDER HEADVALVE INTAKE VALVE LIFTER Check the valve lifter for scoring, scratches or abnormal wearMeasure each valve lifter O.DSERVICE LIMIT: 25.97 mm (1.022 in)
CAMSHAFT BEARING REPLACEMENT<