Installation Requirements; Boat Horsepower Rating; Mounting Motor; Digital Electronic Control Requirements - Yamaha F350 Owner's Manual

Specifications and requirements
Min. pump octane number (PON):
89
Recommended engine oil:
YAMALUBE 4M FC-W or 4-stroke
outboard motor oil
Recommended engine oil grade 1:
SAE 10W-30/10W-40/5W-30
API SE/SF/SG/SH/SJ/SL
Engine oil quantity (without oil filter re-
placement):
6.3 L (6.66 US qt, 5.54 Imp.qt)
Engine oil quantity (with oil filter replace-
ment):
6.5 L (6.87 US qt, 5.72 Imp.qt)
Lubrication system:
Wet sump
Recommended gear oil:
Yamalube Marine Gearcase Lube or
Hypoid gear oil
Recommended gear oil grade:
SAE 80W API GL-5 /
SAE 90 API GL-5
Gear oil quantity:
F350AET2 1.520 L (1.607 US qt,
1.338 Imp.qt)
F350CB 1.520 L (1.607 US qt,
1.338 Imp.qt)
FL350AET2 1.310 L (1.385 US qt,
1.153 Imp.qt)
LF350CB 1.310 L (1.385 US qt,
1.153 Imp.qt)
Tightening torque:
Spark plug:
28 Nm (2.86 kgf-m, 20.7 ft-lb)
Propeller nut:
54 Nm (5.51 kgf-m, 39.8 ft-lb)
Engine oil drain bolt:
27 Nm (2.75 kgf-m, 19.9 ft-lb)
Engine oil filter:
18 Nm (1.84 kgf-m, 13.3 ft-lb)
16
EMU33554

Installation requirements

EMU33564

Boat horsepower rating

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

Mounting motor

EWM01570
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-

cial equipment and training is required
to mount it safely.
Your dealer or other person experienced in
proper rigging should mount the motor using
correct equipment and complete rigging in-
structions. For further information, see page
62.
EMU34952
Digital electronic control
requirements
The digital electronic control be equipped
with a start-in-gear protection device(s). This
device prevents the engine from starting un-
less it is in neutral.
EWM01580
WARNING
If the engine starts in gear, the boat can

move suddenly and unexpectedly, pos-
sibly causing a collision or throwing