Honda CRF450R Owner's Manual page 48

Air Cleaner
4. Remove the air cleaner with the retaining bolt,
keeping the two access top tabs up.
5. Remove the air cleaner from the air cleaner
holder (5).
(7)
(6)
(8)
(5)
(1) air cleaner retaining bolt
(3) air cleaner (7) hole
(5) air cleaner holder (8) air cleaner tab
(6) holder tab
6. Wash the air cleaner in clean non-flammable
cleaning solvent. Then wash in hot, soapy
water, rinse well, and allow to dry thoroughly.
The air cleaner is made in two pieces: inner
and outer, which cannot be separated.
7. Clean the inside of the air cleaner housing.
8. Allow the air cleaner to dry thoroughly. After
drying, soak the air cleaner in clean Pro
Honda Foam Filter Oil or an equivalent air
cleaner oil.
Apply air cleaner oil to the entire surface,
inner and outer, and rub it with both hands to
saturate the air cleaner with oil. Squeeze out
excess oil.
44
Servicing Your Honda
9. Apply a thin coat of Honda White Lithium
Grease to the sealing surface.
10. Assemble the air cleaner and holder.
Install the tab (6) of the holder in the hole (7)
of the air cleaner tab (8), and the air cleaner
retaining bolt through the assembly.
11. Install the assembly into the air cleaner
(3)
(1)
housing keeping the two access top tabs (2)
up.
12. Carefully position the sealing flange of the
element to prevent dirt intrusion.
13. Align the set tab (9) of the air cleaner with the
"∆" mark (4) of the air cleaner housing by
rotating the air cleaner (3) clockwise. Tighten
the retaining bolt (1) securely.
(1) retaining bolt
(2) two access top tabs
(3) air cleaner
(4) "∆" mark
(9) set tab
(9) (3)
(2)
(1)
(4)
NOTICE
Improper installation of the air cleaner assembly
may allow dirt and dust to enter the engine and
cause rapid wear of the piston rings and cylinder.
14. Reinstall the seat, making sure it is securely
attached.