Installation Requirements; Boat Horsepower Rating; Mounting Motor; Remote Control Requirements - Yamaha F20B Owner's Manual

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
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
WARNING
Improper mounting of the outboard mo-
G
tor could result in hazardous condi-
tions 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
30.
EMU33581

Remote control requirements

EWM01580
WARNING
If the engine starts in gear, the boat can
G
move suddenly and unexpectedly, pos-
sibly causing a collision or throwing
passengers overboard.
If the engine ever starts in gear, the
G
start-in-gear protection device is not
Specifications and requirements
The remote control unit must be equipped
with a start-in-gear protection device(s). This
device prevents the engine from starting un-
less it is in neutral.
EMU25694
EMU25721

Battery specifications

The engine cannot be started if battery volt-
age is too low.
EMU36290

Mounting battery

Mount the battery holder securely in a dry,
well-ventilated, vibration-free location in the
boat. WARNING! Do not put flammable
items, or loose heavy or metal objects in
the same compartment as the battery.
Fire, explosion or sparks could result.
[EWM01820]
EMU36300

Multiple batteries

To connect multiple batteries, such as for
multiple engine configurations or for an ac-
cessory battery, consult your Yamaha dealer
about battery selection and correct wiring.
working correctly and you should dis-
continue using the outboard. Contact
your Yamaha dealer.

Battery requirements

Minimum cold cranking amps (CCA/EN):
F15CEH 347.0 A
F20BEHP 347.0 A
F20BEP 347.0 A
Minimum rated capacity (20HR/IEC):
F15CEH 40.0 Ah
F20BEHP 40.0 Ah
F20BEP 40.0 Ah
11