1985-1986 Honda ATC250R Shop Manual, Page 171Get this manual
REAR WHEElDRIVE MECHANISM
BEARING HOLDER INSTALLATION
Install new a-rings in the groove of the bearing holderApply grease to the outside surfaces of the bearing holder
'85: nstall the bearing holder into the swing arm as shown in the figureAFTER '85: Install the bearing holder into the swing arm after aligning the center tang on the bearing holder with the punch mark on the swing arm