Yamaha F150B Service Manual page 434

MNT
5. Remove the oil filler cap a. Pull out the
dipstick b and use the oil changer c to
extract the oil completely.
b
c
6. Add the correct amount of oil through the
filler hole. Put back the filler cap a and
the dipstick b. NOTICE: Overfilling the
oil could cause leakage or damage. If
the oil level is above the upper level
mark, extract until the level meets the
specified capacity.
Recommended engine oil:
4-stroke motor oil
API: SE, SF, SG, SH, SJ, or SL
SAE: 5W-30, 10W-30, or 10W-40
Replacement engine oil quantity
(at periodic maintenance):
Without oil filter replacement:
4.3 L (4.54 US qt, 3.78 lmp qt)
7. Leave the outboard motor for 5-10
minutes.
8. Remove the dipstick b and wipe it clean.
10-11
Maintenance
a
9. Insert the dipstick b and remove it again.
Make sure to completely insert the
dipstick into the dipstick guide, otherwise
the oil level measurement will be
incorrect.
10. Recheck the oil level using the dipstick to
make sure the level falls between the
upper level mark "H" and lower level
mark "L."
11. Start the engine and make sure that the
low oil pressure alert indicator remains
off. Also, make sure that there are no oil
leaks. NOTICE: If the low oil pressure
alert indicator comes on or if there are
oil leaks, stop the engine and find the
cause. Continued operation with a
problem could cause severe engine
damage.
Replacing the oil filter
1. Extract the engine oil with an oil changer.
2. Place a rag under the oil filter, and then
remove the oil filter using a 72.5 mm
(2.9 in) oil filter wrench a.
Oil filter wrench a: 90890-06830
TIP:
• Wait more than 5 minutes after turning the
engine off to replace the oil filter.
• Make sure to clean up any oil spills.
3. Apply a thin coat of engine oil to the O-
ring of the new oil filter.
a