Yamaha YFM350RB Owner's Manual page 93

1. Engine oil drain bolt
2. O-ring
3. Compression spring
4. Oil strainer
TIP
Skip steps 5–9 if the oil filter element is not being
cleaned.
5. Remove the oil filter element cover by remov-
ing the bolts, and then remove the oil filter el-
ement and the O-ring.
1. Oil filter element cover
2. Bolt
3. Oil filter element
4. O-ring
6. Clean the oil strainer and oil filter element with
solvent.
7. Install the oil filter element and a new O-ring.
TIP
Make sure that the O-ring is properly seated.
8. Apply a thin coat of clean engine oil to the O-
ring.
9. Install the oil filter element cover by installing
the bolts, and then tighten them to the speci-
fied torque.
8-13
8