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Air Cleaner
(cont’d)
Servicing Your Honda 51
Air Cleaner
Refer to Safety Precautions on page 25.
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 off-road vehicles. 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 CRF’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.
1. To open the air cleaner housing cover (1), turn
the quick fastener (2) counterclockwise.
2. Remove the air cleaner element retaining bolt
(3) and air cleaner element assembly (4) while
turning it as shown.
3. Pull the air cleaner element (5) out from the air
cleaner holder (6).
4. 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 element is made in two pieces:
inner and outer, which cannot be separated.
5. Clean the inside of the air cleaner housing.
6. Allow the air cleaner to dry thoroughly. After
drying, apply 1.7 US oz (50 cm
3
) of clean Pro
Honda Foam Filter Oil or an equivalent air
cleaner oil from the inside of the element.
Place the element into a plastic bag and spread
the oil evenly by hand.
Cleaning
(1) air cleaner housing cover
(2) quick fastener
(3) air cleaner element retaining bolt
(4) air cleaner element assembly
(1)
(2)
(4)
(3)
(5) air cleaner element (8) hole
(6) air cleaner holder (9) air cleaner tab
(7) tab
(9)
(7)
(5)
(6)
(8)
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