Yamaha VMX12H Supplementary Service Manual page 353

A
COOLING SYSTEM
Thermo-unit.Inspection
1. Remove:
cover
(right)
n it
Handle the thermo-unit with special care. Never
subject to strong shock or allow
it
ped. Should be dropped,
it
2.
operation
By the following inspection steps.
Thermo-un it inspectionsteps:
I mmerse thermo-unit in water.
Temperature gauge
Thermo-unit
Pocket Tester
Water
Check continuity a t indicated
Note temperatuers while heating the water.
Malfunction Replace switch.
Water 50°C
Temperature 122"
Resistance
3. Install:
n it
Thermo-unit:
15 Nm (1.5
Three Bond
After replacing the thermo-unit, check the
coolant level in the radiator and also check for
any leakage.
to be drop-
it
must be replaced.
it
80°C 100°C
(212"
176"
11
7-50