Maintenance
90
z
Wear protective eye gear and rubber
gloves.
z
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.
NOTICE
ECM01921
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.
[EWM01913]
EMU29335
Connecting the battery
WARNING
EWM00573
Mount the battery holder securely in a dry,
well-ventilated, vibration-free location in
the boat. Install a fully charged battery in
the holder.
NOTICE
ECM01125
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 “
” (off) before working
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.
The electrical contacts of the battery and
cables must be clean and properly con-
nected, or the battery will not start the
engine.
1. Red cable
2. Black cable
3. Battery
ZMU01811
1
2
3
©
2019 Yamaha Motor Corporation, U.S.A.
