4. LUBRICATION SYSTEM VITALITY 50 ENGINE OIL/OIL FILTER (4-STROKE) 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. Bolts OIL PUMP (4-STROKE) REMOVAL Place a container under the engine. Bolts Remove the drain plug to drain the oil. ( 3-8) Bolts Remove the A.C. generator flywheel. ( 8-3) Remove the A.C. generator stator and pulsar coil. ( 8-3) Remove the eight right crankcase cover bolts and the right crankcase cover. Right Crankcase Cover Oil Pump Gear Remove the oil pump gear nut and oil pump gear. Nut Nut 4-9