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MAINTENANCE
n Foam Oil Breather Element
The foam oil breather element absorbs small amounts of liquid to pro-
tect sensors within the intake system from damage due to oil ingestion.
Check the element before each ride. Clean or replace the breather ele-
ment at each engine oil change. Clean the element if the snowmobile has
been tipped on its left side three times, either during service or while
riding, as oil may leak into the element.
NOTICE: Operating the snowmobile with a clogged foam oil breather element
can result in severe engine damage. Always clean or replace the
element as recommended.
The foam oil breather element is
located inside the airbox.
1. Open the hood.
2. Release the airbox cover retain-
ing clips and remove the cover.
3. Remove the foam breather ele-
ment.
4. Wash the foam element in
soapy water, then rinse thor-
oughly and let dry.
Tip: If soap and water are not readily available, remove as much liquid as possi-
ble by pressing the foam element in paper towels or a similar absorbent
material.
5. Reinstall the dry foam element, or install a new foam element.
Tip: Always replace a foam element that is brittle, cracked, crumbling or other-
wise damaged. For best performance, routinely replace the foam element
with every other engine oil change.
6. Reinstall the airbox cover. Secure all retaining clips.
Element