13. REAR WHEEL/SWING ARM/ HYDRAULIC BRAKE Mongoose/KXR 90/50 This machine has a drive chain with small rubber O-rings between the chain plates. Steam cleaning, high-pressure washes, and certain solvent can damage these O-rings. Use only kerosene to clean the drive chain. O-ring INSTALLATION Reverse the "REMOVAL" procedure. Apply grease onto the collar, bush, pivot shaft and thrust cover. Install the swing arm and tightening the nut. Torque: 6.08.0kgf-m Install the shock absorber and tightening the bolts. Torque: 3.54.5kgf-m 13-14