2005-2006 Honda ATV TRX500FE/FM/TM FourTrax Foreman Factory Service Manual, Page 208Get this manual

CRANKCASETRANSMISSIONCRANKSHAFTBALANCER stopper shaft oil seal stopper ring output shaft oil seal STOPPER RING

Check the output shaft bearingIf the inner race does not turn smoothly, quietly, or if the outer race fits loosely in the cover, replace the bearing (page 12-27)
OUTPUT SHAFT BEARING

• ATV
• Jet Ski
• Outboard Motors
• Personal Watercraft
• Snowmobiles
• Stern Drives