KYMCO Venox 250, Service Manual, Page: 129 / 243

11
. COOLING SYSTEM
11-2
VENOX250/250i
SERVICE INFORMATION
GENERAL INSTRUCTIONS
x
The engine must be cool before servicing the cooling system.
When the coolant temperature is over 100
℃
, never remove the radiator cap to release the
pressure because the boiling coolant may cause danger.
x
Avoid spilling coolant on painted surfaces because the coolant will corrode the painted surfaces.
Wash off any spilled coolant with fresh water as soon as possible.
x
After servicing the system, check for leaks with a cooling system tester.
TORQUE VALUES
Water pump cover bolt 0.8
阡
1.2 kg-m
Water bleeding bolt 0.8
阡
1.2 kg-m
TROUBLESHOOTING
Engine temperature too high Coolant leaks
x
Faulty temperature gauge or thermosensor
x
Faulty pump mechanical (water) seal
x
Faulty radiator cap
x
Deteriorated O-rings
x
Faulty thermostat
x
Damaged or deteriorated water hoses
x
Insufficient coolant
x
Passages blocked in hoses or water jacket
x
Clogged radiator fins
x
Passages blocked in radiator
x
Faulty water pump
Temperature gauge pointer does not register
the correct coolant temperature
x
Faulty temperature gauge or thermosensor
x
Faulty thermostat