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I wouldn't be in a hurry to do that. These type of bikes typically have three temperature sensors. One is the thermostat, two is the temperature sensor for the gauge, and three is the thermostatically controlled switch for the fan.
Any of them can go bad. My car has a temperature gauge and last year it indicated that the engine temperature was heading towards red (labelled 260 degrees) but I notice that the fan which was supposed to come on at aroung 210 degrees had not come on.
It turned out the temperature gauge sensor was bad. The engine was nowhere near has hot as it indicated. I used an infrared thermometer on the radiator to confirm it.
Of course the fan thermostatic switch could have been bad but that is easy to test by taking it out and putting in boiling water to see if it operates. Same with the thermostat. Usually the gauge sensor can be tested that way too if you know what the specification is. The specifications is usually so many ohms resistance at a given temperature.
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05-21-2014, 02:33 PM
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