2005-2011 Honda FourTrax Foreman TRX500 FE/FPE/FM/FPM/TM Service Manual, Page 92Get this manual
MAINTENANCE
ENGINE OIL FILTER
Drain the engine oil (page 4-13)Remove the following: right side cover (page 34) cover bolts filter cover and O-rings
oil filter spring
Coat new O-rings with engine oil and install them
into the grooves in the filter cover and crankcase coverInstalling the OJ