4. LUBRICATION SYSTEM Mongoose/KXR 90/50 ENGINE OIL/OIL FILTER (Mongoose/KXR 90) OIL LEVEL AND OIL CHANGE Refer to the "ENGINE OIL" section in the chapter 3 to check the oil level and replacement and oil filter cleaning. OIL PUMP Right Crankcase Cover REMOVAL Place a container under the engine. Remove the drain plug to drain the oil. ( 3- 9) Remove the A.C. generator flywheel. ( 14- 8) Remove the A.C. generator stator and pulsar coil. ( 14-8) Remove the eight right crankcase cover bolts and the right crankcase cover. Bolts Remove the two bolts and oil separator Bolts cover. Oil Separator Cover Remove the oil pump driven gear nut. Oil Pump Driven Gear Remove the oil pump driven gear and drive chain. Drive Chain Nut 4-5