2010 Polaris Sportsman 850 Service Manual, Page 34Get this manual

2010 Polaris Sportsman 850 Service Manual, Page 34

MAINTENANCE 9If coolant was required, start engine and check for leaksMake sure radiator fins are clean to prevent overheating
antifreeze and distilled water will provide the optimum cooling, corrosion protection, and antifreeze protection Do not use
tap water, straight antifreeze, or straight water in the systemTap water contains minerals and impurities which build up
in the system Straight water or antifreeze may cause the system to freeze, corrode, or overheat=Recommended Anti-FreezeCoolant:
Polaris 6040 Anti-FreezeCoolant (PN 2871534) (Quart) NOTE: For further information on the engine cooling system, refer to