TGB BLADE 425 Service Manual page 158

12. COOLING SYSTEM
Thermostat
Please refer to chapter 17 for inspection of
temperature sensor.
Removal
Drain out the coolant.
Remove the thermostat set. (2 bolts)
Inspection
Visually inspect thermostat for any damage.
Place the thermostat into heated water to check its
operation.
Caution
Whenever the thermostat and the thermometer
are in contact to the wall of heated water
container, the reading displayed is incorrect. If
the valve of the thermostat remains open at room
temperature or the valve operation is not
corresponding to the temperature change, then it
must be replaced.
Technical Data
Valve begins to open
Valve stroke
Installation
Install the thermostat.
Install the thermostat cover. (2 bolts)
Refill the coolant and bleed out the air bubble
(Page 12-5).
To this chapter contents
65~72℃
0.05 ~ 5mm
Temperature sensor
2 Bolts
By-pass pipe
12-11