15. REAR WHEEL/AXLE/SUSPENSION DRIVING MECHANISM MXU 250R/300R Shim Shim Install the proper ring gear shims onto the ring gear and install them into the gear case. Apply liquid sealant to the mating surface of the case cover. Install the case cover over the gear case. Ring Gear Cover 8 mm Bolts 10 mm Bolts Apply locking agent to the threads of the two 10 mm bolts. Install and tighten the case cover bolts in several steps until the cover evenly touches the gear case. Then, while rotating the pinion gear, tighten the bolts to the specified torque in a crisscross pattern in several steps. Torque: 10-mm bolt: 5 kgf-m (49 N-m, 36 lbf-ft) 8-mm bolt: 2.5 kgf-m (25 N-m, 19 lbf-ft) It is important to turn the pinion while tightening the bolts. If the ring gear shim is too thick, the gears will lock after only light tightening. 15-37