Air Cleaner; Cleaning - Honda CRF450L 2019 Owner's Manual & Off-Road Handbook

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Refer to Important Safety Precautions on page 33.
The air cleaner uses polyurethane inner and outer
pieces which can't be separated.
A dirty air cleaner will reduce engine power.
Proper air cleaner maintenance is very important
for all motorcycle. A dirty, water-soaked, worn-
out, or defective air cleaner will allow dirt, dust,
mud, and other impurities to pass into the engine.
Service the air cleaner more frequently if you ride
in unusually wet or dusty areas. Your dealer can
help you determine the correct service interval for
your riding conditions.
Your motorcycle' s air cleaner has very specific
performance requirements. Use a new Honda
Genuine air cleaner specified for your model or an
air cleaner of equal quality.
NOTICE
Using the wrong air cleaner may result in
premature engine wear.
Proper air cleaner maintenance can prevent
premature engine wear or damage, expensive
repairs, low engine power, poor gas mileage, and
spark plug fouling.
NOTICE
Improper or lack of proper air cleaner
maintenance can cause poor performance and
premature engine wear.

Cleaning

1. Remove the seat (page 46).
2. Remove the air cleaner lid bolts(1). Unhook
the retainer (2) and remove the air cleaner lid
(3).
(1)
(3)
(1) bolts
(2) retainer
(3) air cleaner lid
3. Remove the air cleaner retaining bolt (4) and
air cleaner assembly(5).
(5)
(4) air cleaner retaining bolt
(5) air cleaner assembly
4. Remove the air cleaner element (6) from the air
cleaner holder (7) by releasing the hole (8) of
(2)
the air cleaner element from the holder tab (9).
(7)
(6) air cleaner element
(7) air cleaner holder

Air Cleaner

(4)
(9)
(8)
(6)
(8) hole
(9) holder tab
75
Servicing Your Honda

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