Service Information; Troubleshooting - KYMCO DINK 200i Service Manual

12
. COOLING SYSTEM

SERVICE INFORMATION

GENERAL INSTRUCTIONS
x The water pump must be serviced after removing the engine. Other cooling system service can be
done with the engine installed in the frame.
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.
SPECIAL TOOL
Mechanical seal driver
TORQUE VALUES
Water pump impeller
Water pump cover bolt

TROUBLESHOOTING

Engine temperature too high
x Faulty temperature gauge or thermosensor
x Faulty radiator cap
x Faulty thermostat
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
1.2 kgf-m (12 N-m, 9 lbf-ft)
1 kgf-m (10 N-m, 7 lbf-ft)
Coolant leaks
x Faulty pump mechanical (water) seal
x Deteriorated O-rings
x Damaged or deteriorated water hoses
DINK 200i/125
Left hand threads
12-2