2000-2003 Honda TRX350 Rancher factory service manual, Page 120Get this manual
CYLINDER HEADVALVE Remove the following: tensioner pivot bolt tensioner slider washer retainer bolt bearing retainer camshaft cam chain TENSIONER SLIDER RETAINER
CAMSHAFT WASHER CHAIN
INSPECTION
CAMSHAFT Check the cam surfaces for scoring, scratches or evidence of insufficient lubricationCheck the sprocket teeth for wear or damageTurn the outer race of each bearing with your fingerThe bearings should turn smoothly and quietlyReplace the bearing if the outer race does not turn smoothly and quietlyCAM LOBES