Yamaha TDM850 1996 Service Manual page 318

5. Thermo switch
S Remove the thermo switch from the radiator.
S Connect the pocket tester (Ω
mo switch 1 .
S Immerse the thermo switch in the water
S Check the thermo switch for continuity.
Note temperatures while heating the water
with the temperature gauge
A
THERMO SWITCH "ON"
B
THERMO SWITCH "OFF"
:
1) to the ther-
2 .
3 .
GOOD
CONDITION
:
COOLING SYSTEM
WARNING
S Handle the thermo switch with special care.
S Never subject it to strong shock or allow it to be
dropped. Should it be dropped, it must be re-
place.
BAD CONDITION
Replace thermo switch.
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ELEC