Polaris Sportsman 850 2021 Owner's Manual page 105

11. Using a clean dry cloth, clean the filter sealing surface on the crankcase.
12. Lubricate the o-ring on the new filter with a film of fresh engine oil. Check to
make sure the o-ring is in good condition.
13. Install the new filter and rotate it clockwise by hand until the filter gasket
contacts the sealing surface, then turn it an additional 1/2 turn.
14. Remove the dipstick. Add the proper amount of the recommended oil. Do not
overfill.
15. Reinstall the dipstick.
16. Place the transmission in PARK.
17. Lock the parking brake.
18. Start the engine. Allow it to idle for one to two minutes.
19. Stop the engine.
20. Check for leaks.
21. Check the oil level. Add oil as needed to bring the level to the upper mark on
the dipstick.
22. Dispose of used filter and oil properly.
MAINTENANCE
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