3. INSPECTION/ADJUSTMENT MXU 500 IRS 13. Start the engine and warm it up for several minutes. While warming up, check for oil leakage. If oil leakage is found, turn the engine off immediately and check for the cause. 14. Turn the engine off, and then check the oil level through the inspection window (7) and correct it if necessary. (7) REAR GEAR BOX OIL Change the oil in the rear gear case when specified by the Maintenance Schedule. Change the oil with the rear gear case warm, and the ATV on level ground to assure complete and rapid draining. Rear drive gear oil replacement 2. To drain the oil, first place an oil drain pan under the oil drain plug (4). 3. Remove the oil filler cap (5), then remove the drain plug. 4. After the oil has completely drained, reinstall the drain plug. Torque: 2 kgf-m (20 N-m) (4) 5. Fill the gear case with the recommended oil. (5) Recommended oil: SAE 80 Oil quantity: Periodic oil change: 0.23 L 3-17