Yamaha 1998 FZS600 5DM1-AE1, Service Manual

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8-54
Les than 98
_
C
f
3* 105 to 98
_
C
S
Remove the thermo switch from the thermo-
static valve housing.
S
Connect the pocket tester (
Ω
1) to the
thermo switch .
S
Immerse the thermo switch in coolant .
S
Check the thermo switch for continuity.
While heating the coolant use a thermome-
ter
to record the temperatures.
2
EB802017
5. Thermo switch (fan, engine temperature)
:
Replace the thermo switch.
GOOD
CONDITION
BAD CONDITION
:
THERMO SWITCH “ON”
THERMO SWITCH “OFF”
1
Handle the thermo switch with special care.
Never subjct it to strong shocks or allow it to
be dropped. Should it be dropped, it must be
replaced.
Tests 1 & 2; Heat-up tests
Tests 3* & 4*; Cool-down tests
f
: Continuity : No continuity
A
B
Test
step
Good
condition
1 0
X
105
_
C
4*
f
2 More than 105
_
C
Water temperature
Thermo switch
98
_
C
105
_
C
3
COOLING SYSTEM
ELEC