Polaris Sportsman 450 Owner's Manual page 75

MAINTENANCE AND LUBRICATION
Engine Oil
Oil Change (450/500)
1. Position the vehicle on a level surface. Clean the area around the
drain plug at the bottom of the oil tank and the bottom of the
engine.
2. Run the engine for two to three minutes, then turn it off.
3. Place a drain pan beneath the oil tank and remove the drain plug
(1). Allow the oil to drain completely.
4. Install a new sealing washer (2) on the oil drain plug.
NOTE: The sealing surfaces on the drain plug and the oil tank
should be clean and free of burrs, nicks or scratches.
5. Reinstall the drain plug
and torque to 14-17 ft.
lbs. (19-23 Nm).
6. Disconnect the lower oil
delivery hose and remove
the screen fitting (3) from
the oil tank. Clean the
fitting.
NOTE: The fitting threads
must be sealed with
LOCTITE PST 505 or
PTFE seal tape.
7. Reinstall the screen fitting
and rotate the fitting
clockwise a minimum of
2 1/2 turns into the tank threads. Continue to rotate the fitting until
the nipple of the fitting aligns with the mark (4) on the tank.
NOTE: Do not over-tighten. Maximum torque for the screen fitting is
25 ft. lbs. (34 Nm).
8. Reattach the oil line.
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