Thermo Unit; Water Temperature Meter - Sym HD 125 Service Manual

Thermo unit

Remove the thermo unit.
Hang the thermo unit in an oil heater, heat the oil
and measure the resistance at each temperature.
Temperature 50°C
Standard (£ [ )
134~149 47.5~57.0 26~29 14.8~17.2
Caution
Wear gloves and goggles when performing
this test.
Caution
Engine oil should be used as a heating
medium as the test temperature must be
higher than 100¢ J .
Contacting the container wall by the
thermometer and the thermo unit may result in
wrong readings.

Water Temperature Meter

Disconnect the water temperature meter and
connect it to engine ground.
Turn on the main switch.
The needle of the meter should move to other end,
H position.
Caution
Do not ground the water temperature more
than 5 seconds, or the meter will be damaged.
To this chapter contents
80°C 100°C 120°C
17. ELECTRICAL SYSTEM
Thermo unit
Thermo unit
17-19