2004-2006 Honda FourTrax Rancher TRX350TE/TM/FE/FM Service Manual, Page 145Get this manual
CYLINDER HEADVALVE Remove the two bolts and cam chain tensioner lifterAfter removalpush in the lensioner shaft while pressing the stopper block to retract the tensioner and secu re it with pin
Remove the followingtensioner pivot bolt tensioner slider was her re tai ner bolt beari ng retainer camshaft cam chain
INSPECTION
CAMSHAFT
Check the cam surfaces for scoringscra tches 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 camshaft assembly if th outer race does not turn smoothly and quietly