2009 Polaris Outlaw 450/525 Service Manual, Page 28Get this manual
MAINTENANCE NOTE: The sealing surface on the drain plug and crankcase should be clean and free of burrs, nicks or scratches7Replace the sealing ring and reinstall the drain plugTorque to 15 ftlbs(20 Nm)Strike the head of the oil screen plug with suitable hammer before you attempt to remove itThis "shocks" the threads of the plug and makes it easier to removeRemove the plug at the bottom of the engineSee illustration below: Cleaning the Long Oil Screen 14Remove the long screen plug, located on the left side of the engine near the engine serial number
Cleaning the Short Oil Screen 8Remove Plug
Long Screen