2005-2008 Honda ATV TRX500FA/FGA Fourtrax, Rubicon Factory Service Manual, Page 191Get this manual
CYLINDERPISTON
CYLINDERPISTON REMOVAL
CYLINDER REMOVAL
Remove the cylinder head (page 8-8)Remove the cam chain tensioner lifter sealing boltTENSIONER LIFTER
SEALING BOLT Turn the tensioner shaft clockwise with the stopper tool to retract the tensioner, then insert the stopper fully to hold the tensioner in the fully retracted positionTOOL: Cam chain tensioner stopper 07NMG-MY90101 or 07ZMG-MCAA400 (U.S.Aonly) Remove the two bolts