Thermoswitch (Engine); Thermoswitch (Exhaust) - Yamaha WaveRunner Service Manual

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ELEC
IGNITION SYSTEM

THERMOSWITCH (ENGINE)

1. Check:
• Thermoswitch (engine) continuity
(at the specified temperature)
Out of specification → Replace.
Thermoswitch (engine) continuity
temperature:
a 84–90 °C (183–194 °F)
b 70–84 °C (158–183 °F)
1 No continuity
2 Continuity
Checking steps:
• Suspend the thermoswitch (engine) in a
container filled with water.
• Place a thermometer in the water.
• Slowly heat the water.
• Measure the continuity when the speci-
fied temperature is reached.

THERMOSWITCH (EXHAUST)

1. Check:
• Thermoswitch (exhaust) continuity
(at the specified temperature)
Out of specification → Replace.
Thermoswitch (exhaust)
continuity temperature:
a 94–100 °C (201–212 °F)
b 80–94 °C (176–201 °F)
1 No continuity
2 Continuity
Checking steps:
• Suspend the thermoswitch (exhaust) in a
container filled with water.
• Place a thermometer in the water.
• Slowly heat the water.
• Measure the continuity when the speci-
fied temperature is reached.
7-20
E
È Temperature
É Time
È Temperature
É Time