Connecting The Battery - Yamaha F300A Owner's Manual

Maintenance
battery manufacturer's instructions.
ECM01920
NOTICE
A poorly maintained battery will quickly
deteriorate.
1. Check the electrolyte level.
2. Check the battery's charge. If your boat
is equipped with the digital speedome-
ter, the voltmeter and low battery alert
functions will help you monitor the bat-
tery's charge. If the battery needs charg-
ing, consult your Yamaha dealer.
3. Check the battery connections. They
should be clean, secure, and covered by
an insulating cover. WARNING! Bad
connections can produce shorting or
arcing and cause an explosion.
[EWM01910]
EMU35603

Connecting the battery

EWM00570
WARNING
Mount the battery holder securely in a
dry, well-ventilated, vibration-free loca-
tion in the boat. Install a fully charged bat-
tery in the holder.
ECM01123
NOTICE
Reversal of the battery cables will dam-
age the electrical parts.
93
1. Make sure the main switch (on applica-
ble models) is "
on the battery.
2. Connect the red battery cable to the
POSITIVE (+) terminal first. Then con-
nect the black battery cable to the NEG-
ATIVE (-) terminal.
1. Red cable
2. Black cable
3. Battery
3. The electrical contacts of the battery and
cables must be clean and properly con-
nected, or the battery will not start the
engine.
Connecting an accessory battery (optional)
1. If connecting an accessory battery, con-
sult your Yamaha dealer about correct
wiring. It is recommendable to install the
fuse to the isolator lead as shown in the
illustration. For the fuse size, be sure to
follow local regulations. For example, for
USA, the ABYC rules (E-11) should be
observed.
" (off) before working