KYMCO MXU 500 - Troubleshooting

4. LUBRICATION SYSTEM
4-3
MXU 500
TROUBLESHOOTING
Oil level low High oil pressure
xOil consumption x Pressure relief valve stuck closed
xExternal oil leak x Plugged oil filter, gallery, or metering orifice
xWorn piston ring x Faulty oil pump
xIncorrect piston ring installation
xWorn valve guide or seal Seized engine
x No or low oil pressure
Oil contamination (White appearance) x Clogged oil orifice/passage
xFrom coolant mixing with oil x Internal oil leak
ņ Faulty water pump mechanical seal x Non-recommended oil used
ņ Faulty head gasket
ņ Water leak in crankcase Oil contamination
x Deteriorated oil
No oil pressure x Faulty oil filter
xOil level too low x Worn piston ring (White appearance with water or
xOil pump drive chain broken moisture)
xOil pump drive sprocket broken ņ Damaged water pump mechanical seal
xOil pump damaged (pump shaft) ņ Damaged head gasket
xInternal oil leak ņ Oil relief not frequent enough
Low oil pressure
xPressure relief valve stuck open
xClogged oil filter and strainer screen
xOil pump worn or damaged
xInternal oil leak
xIncorrect oil being used
xOil level too low