Yamaha BIG BEAR PROFESSIONAL 400 YFM400FPT Owner's Manual page 272

1. Engine oil filter element cover bolt (× 3)
2. Oil filter element cover
3. Bolt
1. Boulon de couvercle de l'élément de filtre à huile moteur (× 3)
2. Couvercle de l'élément de filtre à huile
3. Boulon
1. Perno de la tapa del elemento del filtro de aceite de motor (× 3)
2. Tapa del elemento del filtro de aceite
3. Perno
CAUTION:
_
When removing the engine oil drain bolt, the
compression spring, oil strainer and O-ring
will fall out. Take care not to lose these parts.
_
NOTE:
_
Skip steps 5–11 if the oil filter element is not being
cleaned.
_
5. Remove the shift pedal by removing the bolt.
6. Remove the clamp by removing the screw.
7. Remove the oil filter element cover by remov-
ing the bolts, and then remove the oil filter el-
ement.
8. Clean the oil strainer and oil filter element
with solvent.
9. Check the O-ring for damage and replace it if
necessary.
10. Install the oil filter element and O-ring.
NOTE:
_
Make sure the O-ring is seated properly.
_
8-21