Installation Requirements; Boat Horsepower Rating; Mounting Motor; Digital Electronic Control Requirements - Yamaha F250B Owner's Manual

Specifications and requirements
Propeller mark:
F250BET1 T / M
F250BTR T / M
FL250BET1 TL / ML
LF250BTR TL / ML
Fuel and oil:
Recommended fuel:
Premium unleaded gasoline
Min. pump octane:
89
Recommended engine oil:
4-stroke outboard motor oil
Recommended engine oil group 1*:
SAE 10W-30/10W-40/5W-30
API SE/SF/SG/SH/SJ/SL
Recommended engine oil group 2*:
SAE 15W-40/20W-40/20W-50
API SH/SJ/SL
Lubrication:
Wet sump
Total engine oil quantity (oil pan capacity):
Without oil filter replacement:
5.6 L (5.92 US qt, 4.93 Imp.qt)
With oil filter replacement:
5.8 L (6.13 US qt, 5.10 Imp.qt)
Recommended gear oil:
Hypoid gear oil SAE#90
Gear oil quantity:
F250BET1 0.918 L (0.970 US qt,
0.808 Imp.qt)
F250BTR 0.918 L (0.970 US qt,
0.808 Imp.qt)
FL250BET1 0.803 L (0.849 US qt,
0.707 Imp.qt)
LF250BTR 0.803 L (0.849 US qt,
0.707 Imp.qt)
Tightening torque for engine:
Spark plug:
25.0 Nm (2.55 kgf-m, 18.4 ft-lb)
Propeller nut:
55.0 Nm (5.61 kgf-m, 40.6 ft-lb)
16
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)
EMU33554

Installation requirements

EMU33563

Boat horsepower rating

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

Mounting motor

EWM01570
WARNING
Improper mounting of the outboard mo-
G
tor could result in hazardous conditions
such as poor handling, loss of control,
or fire hazards.
Because the motor is very heavy, spe-
G
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
52.
EMU34952
Digital electronic control re-
quirements
The digital electronic control be equipped with
a start-in-gear protection device(s). This de-
vice prevents the engine from starting unless
it is in neutral.