Yamaha BIG BEAR YFM400FPP Owner's Manual page 298

1. Air filter element
1. Élément du filtre à air
1. Elemento filtrante
1. Element plate
3. Guide
1. Plaque d'élément
3. Guide
1. Placa del elemento
3. Guía
2. Air filter element
2. Élément du filtre à air
2. Elemento filtrante
3. Remove the air filter element, and separate 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 sol-
vents or gasoline to clean the air filter element
because the engine could catch fire or ex-
plode.
5. Squeeze the excess solvent out of the filter
and let it dry.
CAUTION:
Do not twist the filter element when squeezing
it.
6. Inspect the element. If damaged, replace it.
7. Apply SAE10W30 motor oil to the element.
NOTE:
The element should be wet but not dripping.
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