104
C. The thermostat should start to open at 71.0-86.0° C
(160-187° F).
D. If the thermostat does not open, it must be
replaced.
3. Inspect all coolant hoses, connections, and clamps for
deterioration, cracks, and wear.
NOTE: All coolant hoses and clamps should be
replaced every four years or 4000 miles.
INSTALLING
1. Place the thermostat and O-ring into the thermostat
housing; then secure the thermostat housing together
with the four machine screws.
2. Remove the clamp and fill the cooling system with the
recommended amount of antifreeze. Check for leakage.
Fans
REMOVING
1. Remove the radiator.
2. Remove the fan assembly from the radiator.
INSTALLING
1. Position the fan assembly on the radiator; then secure
with existing hardware.
NOTE: The fan wiring must be directed downward.
2. Install the radiator.
Water Pump
NOTE: The water pump is a non-serviceable compo-
nent. It must be replaced as an assembly.
REMOVING
1. Clamp off and remove the coolant hoses from the
water pump; then remove two cap screws securing the
water pump to the crankcase.
GZ230A
NOTE: Always use a large container and have suffi-
cient floor drying material available when draining
the coolant in case of coolant spillage.
2. Remove the water pump from the engine.
INSTALLING
1. Install a new O-ring onto the water pump and lightly
coat with clean engine oil.
GZ252C
2. Install the water pump assembly onto the engine
aligning the flat drive on the water pump to the slot in
the driven gear shaft.
GZ252D
3. Secure the water pump with the two cap screws and
tighten securely; then connect the coolant hoses and
secure with hose clamps. Release the clamps used in
removing.
NOTE: The longer cap screw goes on top of the
water pump.
4. Fill the cooling system with appropriate mixed cool-
ant and install the radiator cap.
5. Start the engine and check for coolant leaks; then add
coolant if necessary to proper level.
CAUTION
Do not force the water pump housing into the crankcase
or sever engine damage may occur.
CAUTION
After operating the Wildcat for the initial 5-10 minutes,
stop the engine, allow the engine to cool down, and
check the coolant level. Add coolant as necessary.
