2004-2009 Honda TRX450R/TRX450ER Service Manual, Page 391Get this manual
REAR WHEELSUSPENSION Coat new O-ring with oil and install it into the brake disc flange grooveInstall the brake disc onto the flange with new bolts if it was removedTORQUE: 42 (4.3 kgf-m, 31 Ibf-ft)
Apply grease to the rear axle splinesInstall the brake disc flange onto the rear axleInstall the skid plate (page 3-8)
BRAKE DISC FLANGE Apply molybdenum disulfide grease to the clip contacting area of the outer lock nut on the rear axle boltInstall the rear axle bolt with the inner and outer lock nutsInstall the stopper ring but do not install it into the ring groove yetREAR AXLE BOLT
The lock nuts have Turn the outer lock nut clockwise until the stopper left hand threadsring groove is covered with the outer lock nut and