2011 Polaris Ranger RZR ATV Service Manual, Page 61Get this manual
ENGINE ENGINE COOLING SYSTEM
Cooling System Specifications
Condition Room Temperature Thermostat Closed Thermostat Open Fan Off Thermostat Full Open Lift Fan On Engine Temperature Overheat Indicator Engine Protection Ignition Misfire Engine Protection Shutdown Item Cooling System Capacity Pressure Cap Relief Coolant TemperatureC) 68 (20 C) 175 (79 C) 180 (82 C) 194 (90 C) 202 (94 C) 205 (96 C) Moving Vehicle: 235 (113 C) Idle Vehicle: 241 (116 C)
Remove Cap Test Here
Never remove pressure cap when engine is warm or hotThe cooling system is under pressure and serious burns may resultAllow the engine to cool before servicing2Remove pressure cap and pressure test the cooling system using commercially available pressure tester
Moving Vehicle: 239 (115 C) Idle Vehicle: 244 (118 C)
Moving Vehicle: 257 (125 C) Idle Vehicle: 262 (128 C)