2005-2011 Honda FourTrax Foreman TRX500 FE/FPE/FM/FPM/TM Service Manual, Page 383Get this manual
REAR DRIVING MECHANISM Disconnect the breather hose from the rear final gear caseRemove the four nuts and rear final gear assembly from the swingarmRemove the O-ring from the rear final gear case
Remove the spring and rear drive shaft from the swingarm
INSPECTION
REAR DRIVE SHAFT
Check the rubber seal for wear, deterioration or damageCheck the spl ines of the drive shaft for wear or damageIf the splines are damagedcheck the pinion and universal joint splines alsoRefer to "Swingarm" for the removallinstallation (page 14-9)universal joint