2010 Polaris Sportsman 850 Service Manual, Page 25Get this manual
MAINTENANCE NOTE: The sealing surfaces on the drain plug and crankcase should be clean and free of burrs, nicks or scratches9Reinstall drain plug and torque to 12 ftlbs(16 Nm)16Stop the engine and check for leaks17Re-check the oil level on the dipstick and add oil as necessary to bring the level to the upper mark on the dipstick18Dispose of used oil and filter properly
Engine Drain Plug: 12 ftlbs(16 Nm) 10Locate oil filter through access hole in the skid platePlace shop towels beneath the oil filterUsing oil filter wrench (PU-50105) turn oil filter counterclockwise to remove it
Engine Breather Hose
Be sure engine breather hose is routed properly and secured in placeCAUTION: Make sure line is not kinked or pinchedBreather
Inspect Airbox