Yamaha KODIAK ULTRAMATIC YFM400FA Owner's Manual page 330

1. Air filter element
1. Élément de filtre à air
1. Elemento del filtro de aire
1. Air filter guide
1. Guide de filtre à air
1. Filtro de aire guía
3. Remove the air filter element, and sepa-
rate it from the guide.
4. Wash the element gently but thoroughly
in solvent.
WARNING
Always use parts cleaning solvent to clean the
air filter element. Never use low flash point
solvents or gasoline to clean the air filter ele-
ment because the engine could catch fire or
explode.
5. Squeeze the excess solvent out of the fil-
ter and let it dry.
CAUTION:
Do not twist the filter element when squeez-
ing it.
6. Inspect the element. If damaged, replace
it.
7. Apply SAE 10W30 motor oil to the ele-
ment.
NOTE:
The element should be wet but not dripping.
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