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so i rode for probably 45mins with some friends and i came up a hill and it was blowing coolant out the over flow cap, and i dont think my fan is kicking on
 

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What wheeler?
 

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On the left side of the cylinder head is the thermo switch and if you unplug it the fan is supposed to run. That's the test and will tell you whether your fan or switch is bad.

Assuming your fuses check out and there is power at the fan.
 

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Correction the sensor is on the radiator.
Part #21
 

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