6-38 POWER UNIT
THERMOSTAT
REMOVAL
1. Remove the recoil starter assy. (See page 5-2.)
2. Remove the four bolts 2 and the thermostat cover 1.
3. Remove the thermostat 3.
INSPECTION
If salt deposits, corrosion, wear or other damage is found, clean
or replace the thermostat.
Thermostat operation
Check the thermostat operating temperature as follows.
1. Insert a length of thread between the thermostat valve/body
and suspend the thermostat in a container filled with water.
2. Place the thermometer in the container and heat water.
Observe water temperature when the thermostat valve
opens and releases the thread.
Thermostat operating temperature:
Standard: 48 – 52 °C (118 – 126 °F)
INSTALLATION
Installation is reverse order of removal with special attention to
the following steps.
1. Install the thermostat 1.
2. Apply sealant to both surfaces of thermostat cover gasket
(as shown with hatched lines).
99000-31120: SUZUKI SILICONE SEAL
3. Install the gasket 2 and the thermostat cover 3 to the cylin-
der block and secure with the four bolts 4.
Thermometer
Heater
Thermostat cover gasket
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