4. LUBRICATION SYSTEM Mongoose/KXR 90/50 Oil Inlet Tube OIL PUMP (Mongoose/KXR 50) REMOVAL Do not allow foreign matters to enter the crankcase. Before removing the oil pump, clean the oil pump and crankcase surfaces. Disconnect the oil outlet tube from the oil pump. Oil Pump Control Cable Disconnect the oil pump control cable from Oil Outlet Tube the pump body. Disconnect the oil inlet tube. Before disconnecting the oil line, clip the oil line to avoid oil flowing out and then plug the oil line after it is disconnected. Oil Pump Control Cable Bolts Remove the oil pump control cable plate bolts. Remove the oil pump from the crankcase. Oil Pump Oil Pump Control Cable Plate OIL PUMP INSPECTION O-ring Remove the oil pump and inspect the following items: · Weakened O-ring · Damage to crankcase mating surface · Damage to pump body · Control lever operation · Oil leaks through oil seals · Worn or damaged pump pinion Do not disassemble the oil pump which cannot be used after disassembly. Gear Control Lever 4-11