Yamaha BLASTER YFS200T Owner's Manual page 284

6. Inspect the sponge material. If damaged,
replace it.
7. Apply foam air filter oil to the sponge materi-
al.
NOTE:
The sponge material should be wet but not drip-
ping.
8. Install the sponge material onto its frame
and install the screw.
9. Install the air filter element.
10. Install the air filter case cover by installing
the screws.
11. Install the seat.
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