Digital Electronic Control Requirements; Battery Requirements; Battery Specifications; Mounting Battery - Yamaha F300A Owner's Manual

Specifications and requirements
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
passengers overboard.
If the engine ever starts in gear, the
●
start-in-gear protection device is not
working correctly and you should dis-
continue using the outboard. Contact
your Yamaha dealer.
This digital electronic control unit is only
available for the outboard motor which you
have purchased.
Prior to use of the digital electronic control
unit, set it in order to operate your outboard
motor only. Otherwise, it will not be possible
to operate the outboard motor.
Perform setting of the outboard motor and
the digital electronic control unit in the follow-
ing cases.
If a used outboard motor is installed
●
If the digital electronic control unit is re-
●
placed
If the ECM (Electronic control module) of
●
the used outboard motor is replaced
If the ECM (Electronic control module) of
●
the digital electronic control unit is re-
placed
Consult your Yamaha dealer for setting.
12
EMU25694

Battery requirements

EMU25721

Battery specifications

Minimum cold cranking amps (CCA/EN):
670.0 A
Minimum rated capacity (20HR/IEC):
100.0 Ah
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.
EMU41600

Propeller selection

Next to selecting an outboard motor, select-
ing the right propeller is one of the most im-
portant purchasing decisions a boater can
make. The type, size, and design of your pro-
peller have a direct impact on acceleration,
top speed, fuel economy, and even engine
life. Yamaha designs and manufactures pro-
pellers for every Yamaha outboard motor
and every application.
Your Yamaha dealer can help you select the
right propeller for your boating needs. Select
a propeller that will allow the engine to reach
the middle or upper half of the operating
range at full throttle with the maximum boat-