Polaris Predator 90 Offroad Vehicle User Manual


 
119
MAINTENANCE AND LUBRICATION
Filter Systems
Air Filter Service - 4-Cycle
1. Remove the seat, release the clips,
and remove the air box cover.
2. Loosen the clamp and remove the
filter.
3. Remove the fabric type pre-filter
(1) from the main filter (2). Wash
the pre-filter in soapy water, then
rinse and let dry.
4. Reinstall the pre-filter over the
main filter. (Replace the main filter
if needed.)
5. Reinstall the filter into the air box
and tighten the clamp. Do not over
tighten the clamp, as filter damage
could occur.
Breather Filter/Hose - 4-Cycle Engines with Dry Sump
NOTE: Refer to your owner’s manual supplement to determine if
your machine has a dry sump.
1. Remove the clamps and pull the filter
(1) out of the hoses. NOTE: It’s not
necessary to remove the lower hose
from the engine.
2. Inspect the filter for debris. Blow
gently through the filter in the direction
of the arrow to check for clogging.
Replace if needed.
3. Check the hoses fo r cracks,
deterioration, abrasion, or leaks. Replace as needed.
4. Reinstall the filter with the arrow pointing toward engine, and
secure the clamps.
2
1
Operation of your vehicle without a breather filter can cause
engine damage. Always reinstall the breather filter after
removing for service.
CAUTION
1