2005-2006 Honda ATV TRX500FE/FM/TM FourTrax Foreman Factory Service Manual, Page 319Get this manual
FRONT DRIVING MECHANISM (FMFE models) PINION GEAR INSTALLATION Install the shim and new bearing onto the pinion gearNOTE: When the gear set, differential bearing, differential housing andor final gear case has been replaced, use 2.00 mm (0.079 in) thick shim for initial referencePINION SHIM PINION GEAR
PINION BEARING Drive the pinion bearing onto the pinion gearTOOL: Driver, 40 mm I.DAttachment, 30 mm I.D07746-0030100 07746-0030300 ATTACHMENT PINION GEAR BEARING DRIVER