14. REAR WHEEL/SWING ARM/ HYDRAULIC BRAKE ATV 50 DRIVE CHAIN INSPECTION Remove rear wheels, rear hub (with rear axle) and swing arm. Refer to the "REAR WHEEL REMOVAL" and "SWING ARM REMOVAL" section. Remove right foot board. Remove the drive sprocket. Remove the drive chain. Inspect the drive chain stiffness. Clean and lubricate or replace if stiff. Inspect the drive sprocket and the driven sprocket. Replace sprocket if more than 1/4 teeth wear or bent teeth. CLEAN Place it in kerosene, and brush off as much dirt as possible. Then remove the chain from the kerosene and dry the chain. O-ring 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. 14-9