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Indicator lamp turns on / off
Symptom and solution
SYMPTOM
Overheat warning system comes on
Overheat warning system comes on.
Overheat warning buzzer sounds.
Engine speed decreases and stops.
Engine speed cannot be increased by opening the throttle.
Engine will stop within 20 seconds after engine speed is
limited.
POSSIBLE CAUSES & SOLUTIONS
Cooling water intake port clogged. Clean the cooling water
intake port.
Spark plugs have incorrect heat range. Replace the spark
plugs.
>See method
• Faulty water pump.
• Thermostat clogged.
• Faulty thermostat.
• Cooling water passage clogged.
• Exhaust gas enters cooling system.
Consult your dealer.
2/5
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