1986-1989 Honda TRX250 FourTrax 250R Service Manual, Page 153Get this manual
REAR WHEELDRIVE MECHANISM Apply oil or grease to th splines on both ends of th axleInstall the wheel hub, wheel hub collars (,86, '87:), and axle nutsHold the rear axle by applying the rear brake and tighten the axle nuts
TORQUE: 120-170Nm (12.0-17.0kg-rn, 87-123 ftlbl
Install new cotter pins and spread the ends as shownInstall th rear wh eels (page 11-21 After '87: Install the skid plateAdjust drive chain slack (page 2-9),