2010 Polaris Sportsman XP 850 Owners Manual - Page 70
2010 Polaris Sportsman XP 850 Manual
Page 70 highlights
MAINTENANCE Engine Oil Oil Recommendations Polaris recommends the use of Polaris PS-4 PLUS Performance Synthetic 2W-50 4-cycle oil or a similar oil for this engine. See the table on page 66 for fluid recommendations, capacities and plug torques. Oil may need to be changed more frequently if Polaris oil is not used. Always use 2W-50 oil. Follow the manufacturer's recommendations for ambient temperature operation. See page 119 for the part numbers of Polaris products. NOTICE: Mixing brands or using a non-recommended oil may cause serious engine damage. Always use the recommended oil. Never substitute or mix oil brands. Oil Level Check the oil level when the engine is cold. Never check the oil with the engine running. Access the oil dipstick and fill tube from the left side of the vehicle. 1. Position the vehicle on a level surface. Place the transmission in PARK. 2. Remove the dipstick. Wipe it dry with a clean cloth. 3. Reinstall and tighten the dipstick. 4. Remove the dipstick and check the oil level. 5. Add the recommended fluid as needed. Maintain the oil level in the safe range between the FULL and ADD marks. Do not overfill. 6. Reinstall and tighten the dipstick. Dipstick Full Add 850 Full Add 550 67