Yamaha FZR400 1988-1989 Service Manual page 366

5. Therm0 switch
Remove the
??
thermostat housing.
*Connect the pocket tester (0 x 1) to the
Immerse the therm0 switch in the water
??
Check the therm0 switch for continuity.
??
Note temperatures while heating the water
with the temperature gauge @ .
Test
Water Temperature
Step
0- 98°C
1
(32 - 208.4" F)
More than 105 + 3°C
2
(221.0 2 5.4"F)
105 to 98°C
3 "
(221 .O to 208.4" F)
Less than 98°C
4 "
(208.4" F)
Test 1 & 2; Heat-up tests
Test 3" & 4"; Cool-down tests
COOLING SYSTEM -1
Good
Condition
Handle the therm0
Never subject it to strong shock or allow it to be
X
dropped. Should it be dropped, it must be
replaced.
0
0
X
After replacing the therm0
any leakage.
NOTE:
The electric fan is controlled by the therm0
switch whenever the main switch is "ON" or
"OFF".
tions, this fan may continue to run until the
engine temperature has cooled down to about
98°C
switch with special care.
Switch:
8 Nm (0.8 m-kg, 5.8 ft.lb)
Three Bond Sealock@ # 10
switch, check the
level in the radiator and also check for
Thus, under certain operating condi-
(208°F).
I