2005-2006 Honda ATV TRX500FE/FM/TM FourTrax Foreman Factory Service Manual, Page 148Get this manual
CYLINDER HEADVALVE INSPECTION CAMSHAFT Check the cam surfaces for scoring, scratches or evidence of insufficient lubricationCheck the cam sprocket teeth for wear or damageTurn the outer race of each bearing with your fingerThe bearing should turn smoothly and quietlyReplace the camshaft assembly if the bearing does not turn smoothly and quietlyBEARING
CAM LOBES Measure each cam lobe heightSERVICE LIMITS: IN: 35.60 mm (1.402 in) EX: 35.38 mm (1.393 in)