KYMCO X-Town 250 ABS Service Manual page 148

12. COOLING SYSTEM
THERMOSTAT
THERMOSTAT REMOVAL
Remove the met-in box and carrier.
Remove the body cover, center cover and
rear
fender cover A.
Drain the coolant.
Disconnect the thermosensor wire from the
thermosensor.
Disconnect the water hose from the
thermostat housing.
Disconnect the air vent tube from the
thermostat housing.
Remove the mounting bolt and the
thermostat housing from the cylinder head.
Remove two bolts and separate the
thermostat housing halves.
Remove the
thermostat housing.
THERMOSTAT INSPECTION
Suspend the thermostat in a pan of water
over a burner and gradually raise the water
temperature to check its operation.
Technical Data
Begins to open
Full-open
Valve lift
＊
 Do not make the thermostat touch the
pan as it will give a false reading.
 Replace the thermostat if the valve
stays open at room temperature.
 Test the thermostat after it is opened
for about 5 minutes and holds the
temperature at 70℃.
THERMOSTAT INSTALLATION
＊
Replace the O-ring with a new one and
apply grease to it.
Fill the cooling system with the specified
coolant.
thermostat from the
80℃
85℃
3.5～4.5mm
X-Town250/300 ABS
Bolts
Thermostat
Thermostat
Thermometer
12-12