1986-1989 Honda TRX250 FourTrax 250R Service Manual, Page 152Get this manual
REAR WHEELDRIVE MECHANISM by applying the rear brakeTighten the outer lock nut to the specified torque against the snap ring TORQUE: Actual: 80-100Nm (8.0-10.0 kgm, 58-72ft-lbl Indicated: 73-91 Nm (7.3-9.1 kg-m53-66ft-lb) NOTE The inner and outer lock nuts have left-hand threads
(1) LOCK NUT WRENCH, 45 mm
TOOLS: Lock nut wrench, 45 mm
07916-1870101 or equivalent commercially available in U.S.A
Tighten th inner lock nut against th outer lock nutTORQUE Actual:
120-140Nm (12.0-14.0kg-m, 87-101 ft-Ib) Indicated: 109-127 N'm (10.9-12.7 kg-m79-92 ft-Ibl
TOOLS: Lock nut wrench56 mm