2010 Polaris Outlaw 525 IRS Owners Manual - Page 186

Troubleshooting Engine Overheats Possible Cause Debris lodged in screen Plugged radiator Insufficient coolant Insufficient air flow due to slow operation Cooling system has not been bled Foam has formed in cooling system Bent cooling hose Defective thermostat or thermoswitch Blown fan fuse or defective fan Solution Remove and clean the screen Use a garden hose to flush any debris from the radiator fins. NOTE: High pressure washers can deform the radiator fins and reduce cooling efficiency. Check levels and fill as needed; check for leaks Operate at a faster speed to increase air flow Bleed the cooling system Drain and replace coolant with recommended coolant Shorten or replace hose See your Polaris dealer Replace fuse and check fan for proper operation or see your Polaris dealer 182