2005-2011 Honda FourTrax Foreman TRX500 FE/FPE/FM/FPM/TM Service Manual, Page 369Get this manual
FRONT DRIVING MECHANISM (Except TM model) Coat new O-ring wi th molybdenum disulfide grease and install it into the groove in the output shaftApply molybdenum disulfide grease to the output shaft splinesMove the fron final gear assembly forward for maximum clea ra nce between the propeller shaft joi nt and output shaftInstall the propeller shaft joint over the output shaft