Checking The Thermostat; Assembling The Thermostat - Yamaha XVZ13TF 1999 Service Manual

THERMOSTAT
EAS00462

CHECKING THE THERMOSTAT

1. Check:
S thermostat 1
Does not open at 80.5 X 83.5_C ! Replace.
Thermostat full opening range
8 mm at 95 _C
a. Suspend the thermostat in a container filled
with water.
b. Slowly heat the water.
c. Place a thermometer in the water.
d. While stirring the water, observe the ther-
mometer's indicated temperature.
e. Check the opening range of the thermostat
valve after keep the water around 95 _C in
5 X 6 minuts.
1 Thermometer
2 Water
3 Thermostat
4 Container
A Closes
B Opens
NOTE:
S Do not put the thermostat directly to the bottom
of the container 4 .
S If the accuracy of the thermostat is in doubt, re-
place it. A faulty thermostat could cause seri-
ous overheating or overcooling.
2. Check
S thermostat housing cover 1
S thermostat housing 2
Cracks/damage ! Replace.
EAS500464

ASSEMBLING THE THERMOSTAT

1. Install:
S thermostat housing 1
S thermostat 2
S O-ring (New) 3
S thermostat housing cover 4
NOTE:
Install the thermostat with its breather hole a
facing up.
5-7
COOL