Yamaha BIG BEAR PROFESSIONAL 400 YFM400FPT Owner's Manual page 300

1. Air filter element
1. Élément du filtre à air
1. Elemento del filtro de aire
1. Element retaining plate
2. Air filter element
1. Plaque de retenue
2. Élément du filtre à air
1. Placa de retención del elemento
2. Elemento del filtro de aire
3. Frame
3. Armature
3. Bastidor
8-49
3. Remove the air filter element.
4. Remove the air filter element from the frame.
5. Wash the air filter element gently but thor-
oughly 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.
_
6. Squeeze the excess solvent out of the air fil-
ter element and let it dry.
CAUTION:
_
Do not twist the air filter element when squeez-
ing it.
_
7. Inspect the air filter element. If damaged, re-
place it.
8. Apply SAE 10W30 engine oil to the air filter
element.
NOTE:
_
The air filter element should be wet but not drip-
ping.
_