2005 Polaris Sportsman 400/500 Service Manual, Page 42Get this manual
MAINTENANCE 2Drain tube3Reinstall drain plugmaintained properlyNever operate the engine without the pre-filter
RECOIL HOUSING
Sediment Tube Recoil Drain
NOTE: The sediment tube will require more frequent service if the vehicle is operated in wet conditions or at high throttle openings for extended periods
BREATHER FILTER INSPECTION
Four cycle ATV engines are equipped with breather filterThe in-line filter is similar in appearance to fuel filter, and is visible on the left side (Location A)In-line breather filters should be installed with the arrow pointing toward the engine (away from the air box)S Recoil Handle Location