Polaris Sportsman overheating refers to when the all-terrain vehicle’s engine runs too hot. Symptoms of overheating might include, the engine overheats when idling, or maybe it only overheats at wide-open-throttle, or maybe it overheats all of the time. Whatever the case might be, this video details the reasons why your Polaris Sportsman is overheating.
Now if you plan to repair your own vehicle, make sure download the factory repair manual. You can download the factory repair manual instantly at http://www.atvrepairmanual.com/. The manual will cover everything mentioned here in an easy step-by-step order.
So when you get to http://www.atvrepairmanual.com/, just click on where it says “Repair Manual”, select your brand, then select the year and model ATV, and then just download the repair manual instantly.
Low coolant level
Air in cooling system
Wrong type/mix of coolant
Faulty pressure cap or system leaks
Restricted system (mud or debris in radiator fins causing restriction to air flow, passages blocked in radiator, lines, pump, or water jacket clogged)
Lean mixture (restricted jets, vents, fuel pump or fuel valve)
Fuel pump output weak
Water pump failure/ Loose impeller
Cooling fan inoperative or turning too slowly (perform current draw test)
Ignition timing misadjusted
Low oil level
Spark plug incorrect heat range
Faulty hot light circuit
Thermostat stuck closed or not opening completely
And that’s it. Be sure to use this troubleshooting guide if your Polaris Sportsman is overheating. And if you are unsure of how to fix what we covered, make sure you download the factory repair manual from http://www.atvrepairmanual.com/. It will show you how to fix everything we covered.
Repair information pertains to the following models:
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