Installation Requirements; Boat Horsepower Rating; Mounting Motor - Yamaha F300A Owner's Manual

F300AET Regular unleaded gasoline
F350AET Premium unleaded gaso-
line
FL300AET Regular unleaded gaso-
line
FL350AET Premium unleaded gaso-
line
Min. research octane:
F300AET 91
F350AET 94
FL300AET 91
FL350AET 94
Recommended engine oil:
4-stroke outboard motor oil
Recommended engine oil group 1*:
SAE 10W-30/10W-40/20W-40/5W-
30
API SE/SF/SG/SH/SJ/SL
Recommended engine oil group 2*:
SAE 15W-40/20W-50
API SH/SJ/SL
Lubrication:
Wet sump
Engine oil quantity without replacement of
oil filter (Oil pan capacity):
7.8 L (8.24 US qt, 6.86 Imp.qt)
Engine oil quantity with replacement of oil
filter (Oil pan capacity):
8.0 L (8.46 US qt, 7.04 Imp.qt)
Amount of adding engine oil (at Periodic
maintenance) Excluding oil filter:
6.3 L (6.66 US qt, 5.54 Imp.qt)
Amount of adding engine oil (at Periodic
maintenance) Including oil filter:
6.5 L (6.87 US qt, 5.72 Imp.qt)
Recommended gear oil:
Hypoid gear oil SAE 90 or 80W-90,
API GL-5
Gear oil quantity:
F300AET 1.520 L (1.607 US qt,
1.338 Imp.qt)
Specifications and requirements
Tightening torque for engine:
Noise and vibration level:
EMU33553
EMU33563

Boat horsepower rating

EWM01560
Overpowering a boat can cause severe
instability.
Before installing the outboard motor(s), con-
firm that the total horsepower of your mo-
tor(s) does not exceed the boats maximum
horsepower rating. See the boat's capacity
plate or contact the manufacturer.
EMU33571

Mounting motor

EWM01570
G
G
F350AET 1.520 L (1.607 US qt,
1.338 Imp.qt)
FL300AET 1.310 L (1.385 US qt,
1.153 Imp.qt)
FL350AET 1.310 L (1.385 US qt,
1.153 Imp.qt)
Spark plug:
28.0 Nm (2.86 kgf-m, 20.7 ft-lb)
Propeller nut:
55.0 Nm (5.61 kgf-m, 40.6 ft-lb)
Engine oil drain bolt:
28.0 Nm (2.86 kgf-m, 20.7 ft-lb)
Engine oil filter:
18.0 Nm (1.84 kgf-m, 13.3 ft-lb)
Operator sound pressure level (ICOMIA
39/94 and 40/94):
79.1 dB(A)

Installation requirements

WARNING
WARNING
Improper mounting of the outboard mo-
tor could result in hazardous condi-
tions such as poor handling, loss of
control, or fire hazards.
Because the motor is very heavy, spe-
11