Yamaha F150B Service Manual page 435

4. Install the oil filter, and then tighten it to
the specified torque using a 72.5 mm
(2.9 in) oil filter wrench a.
E
Oil filter:
18 N·m (1.8 kgf·m, 13.3 ft·lb)
5. Pour the specified amount of the
recommended engine oil into the oil filler
hole.
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):
With oil filter replacement:
4.5 L (4.76 US qt, 3.96 lmp qt)
6. Install the oil filler cap and dipstick, and
then start the engine and warm it up for 5
minutes.
7. Turn the engine off, and then check the
oil level and that there is no oil leakage.
Checking the engine start switch and
engine shut-off switch
1. Check the engine start switch and engine
shut-off switch. See "Checking the
engine start switch and engine shut-off
switch" (10-5).
a
General Periodic Maintenance
Checking the fuel joint and fuel
hoses (fuel joint-to-fuel injector)
1. Remove the spark plug wire cover.
2. Check the low-pressure
connections. Also, check the fuel filter a,
fuel pumps b, and filter c. Replace the
low-pressure fuel hoses if there is
leakage or deterioration.
3. Check the high-pressure fuel hose
connections. Also, check the vapor
separator d, fuel rail e, fuel injectors f,
pressure regulator g, and fuel cooler h.
Replace the high-pressure fuel hoses if
there is leakage or deterioration.
g
f
b
Checking the fuel filter
1. Check the fuel filter. See "Checking the
fuel filter assembly" (6-14) and "Checking
the fuel filter" (6-32).
Checking the gear oil level
1. Check the gear oil level. See "Checking
the gear oil level" (10-6).
Changing the gear oil
Never get under the lower unit while it is
tilted. Otherwise, the outboard motor
could suddenly lower if the PTT unit
should lose fluid pressure.
1. Tilt the outboard motor so that the gear
oil drain screw is at the lowest point pos-
sible.
fuel hose
c
a
d
h
e
10
10-12
0
1
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9
A