2005-2011 Honda FourTrax Foreman TRX500 FE/FPE/FM/FPM/TM Service Manual, Page 173Get this manual
CYLINDER HEADIVALVE Check the tensioner lifter operation:The tensioner fifter shaft should not go into the body when it is pushed- When the stopper block is pressed inthe tensioner shaft should be pushed into the lifter body and the shaft springs out of the body
CAM FOLLOWER
Check the cam follower and fonower bore for scoring, scratches or damageMeasure each ollower 0.0SERVICE LIMIT: 22.46 mm (0.884 in)