Checking Battery (For Electric Start Models); Connecting The Battery - Yamaha F9.9 Owner's Manual

EMU29324
Checking battery (for electric start
models)
EWM01903
WARNING
Battery electrolyte is poisonous and caus-
tic, and batteries generate explosive hy-
drogen gas. When working near the
battery:
 Wear protective eye gear and rubber
gloves.
 Do not smoke or bring any other source
of ignition near the battery.
The procedure for checking the battery varies
for different batteries. This procedure con-
tains typical checks that apply to many bat-
teries, but you should always refer to the
battery manufacturer's instructions.
ECM01921
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.
EMU29335

Connecting the battery

EWM00573
WARNING
Mount the battery holder securely in a dry,
well-ventilated, vibration-free location in
the boat. Install a fully charged battery in
the holder.
ECM01125
NOTICE
Do not reverse the battery cables. Other-
wise, the electrical parts could be dam-
aged.
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 connect
the black battery cable to the NEGATIVE
(-) terminal.
3
1. Red cable
2. Black cable
3. Battery
Maintenance
[EWM01913]
" (off) before working
1
2
ZMU01811
89