103
Hoses/Thermostat
REMOVING
1. Drain approximately two quarts of coolant from
the cooling system.
2. Remove the two cap screws securing the thermo-
stat cover housing to the thermostat housing.
Account for an O-ring and a thermostat.
INSPECTING
NOTE: Whenever a part is worn excessively,
cracked, or damaged in any way, replacement is
necessary.
1. Inspect the thermostat for corrosion, wear, or
spring damage.
2. Using the following procedure, inspect the ther-
mostat for proper operation.
A. Suspend the thermostat in a container filled
with water.
B. Heat the water and monitor the temperature
with a thermometer.
C. The thermostat should start to open at 80° C
(176° F) and be fully open at 95° C (203° F).
D. If the thermostat does not open or remains
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 thermo-
stat housing; then secure the thermostat housing to
the cylinder head with the two cap screws.
2. Install the crossover coolant hose onto the water
pump and engine water inlet. Secure with the two
hose clamps.
3. Slide the upper hose onto the thermostat housing
and radiator. Secure with the two hose clamps.
4. Install the lower coolant hose onto the water pump
housing and radiator. Secure with the two hose clamps.
5. Fill the cooling system with the recommended
amount of antifreeze. Check for leakage.
Fan
REMOVING
1. Remove the radiator (see Radiator in this section).
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 in the upper-right
position.
2. Install the radiator (see Radiator in this section).
Water Pump
NOTE: The water pump is a non serviceable com-
ponent and must be replaced as an assembly.
To replace the water pump, see Engine/Transmission -
Left-Side Components.
Troubleshooting
Problem: Starting impaired
Condition
Remedy
1.
Fuel
contaminated
1. Drain fuel tank and fill with clean fuel
Problem: Idling or low speed impaired
Condition
Remedy
1.
Fuel filter
plugged
1. Replace fuel filter
Problem: Medium or high speed impaired
Condition
Remedy
1.
Governor spring
broken
2.
Fuel filter
obstructed
3.
Throttle cable
out of adjustment
1. Replace speed governor spring
2. Replace filter
3. Adjust throttle cable
Manual
Table of Contents
For Discount Arctic Cat Parts Call 606-678-9623 or 606-561-4983
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