2008 Polaris ATV Predator 50, Sportsman Outlaw 90 Service Manual, Page 27Get this manual
MAINTENANCE Air Filter Service
12Remove the seatRelease the air box cover spring clips and remove the cover67Reinstall the screen, foam filter and air box coverSecure the clipsReinstall the seat
Air Box Sediment Tube
Clips Periodically check the air box sediment tube located toward the rear of the machineDrain whenever deposits are visible in the clear tube
CoverRemove the foam air filterWash the foam filter in warm soapy water, then rinse and let it dryIf the filter is damaged, install new foam filterApply commercially available foam filter oil to the foam filterHose Clamp Foam Filter Sediment Tube