Honda CRF250F Owner's Manual Installation And Operation page 178

9. Clean the inside of the air cleaner
housing.
10. Apply a thin coat of grease to the sealing
surface of the air cleaner.
11. Install the air cleaner assembly inserting
the tabs (9) on the air cleaner holder into
the holes (10) in the air cleaner housing.
Hook the set spring.
Check that the air cleaner is properly
seated.
12. Install the air cleaner housing cover and
screws.
13. Install the right side cover (page 30).
(9) Tabs
(10)
(9)
(10) Holes
53