Yamaha YXZ 1000R 2021 Owner's Manual page 158

6. Wash the foam material in warm soapy
water to remove remaining solvent, then
rinse thoroughly with plain warm water.
7. Squeeze out the excess water. NOTICE:
Do not twist the foam material when
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squeezing it.
8. Allow the foam air filter to dry thoroughly.
Inspect for wear and tear and replace if
damaged or heavily worn.
[ECB02970]
9. Thoroughly apply Yamalube foam air filter
oil (or other quality liquid foam air filter—
do not use a spray-type product) to the
foam material. The foam air filter element
should be wet but not dripping.
10. Pull the foam air filter element over its
frame.
11. Install the air filter.
12. Install the air filter case cover and lock it
into place by turning the air filter case
cover lock clockwise.
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