1985-1986 Honda ATC250R Shop Manual, Page 167Get this manual
REAR WHEELDRIVE MECHANISM DISC HUB
INSTALLATION
Install the brake disc onto the disc hub with its arrow facing the insideApply grease or oil to the disc socket bolts and tighten the bolts
35-40 Nm (3.5-4.0 kg-m, 25-29 ft-Ib)
Grease or oil on the disc will reduce stoppinKl powerClean the disc with hight quality brake degreaser if oil or grease gets on the
ARROW BRAKE DISC
Install new a-ring over the rear axle and insert the rear axle from the left sideInstall new a-ring and brake disc over the axle