Connecting The Battery; Disconnecting The Battery - Yamaha F9.9J Owner's Manual

2. Check the battery's charge. If your boat is
equipped with the digital speedometer,
the voltmeter and low battery alert func-
tions will help you monitor the battery's
charge. If the battery needs charging,
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.
EMU29334

Connecting the battery

EWM00572
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.
ECM01124
NOTICE
Do not reverse the battery cables. Other-
wise, the electrical parts could be dam-
aged.
1. Make sure the main switch (on applicable
models) is "
the battery.
2. Connect the red battery cable to the
POSITIVE (+) terminal first. Then con-
nect the black battery cable to the NEGA-
TIVE (-) terminal.
[EWM01912]
" (off) before working on
3
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 en-
gine.
EMU29371

Disconnecting the battery

1. Turn off the battery cut-off switch (if
equipped) and main switch. NOTICE: If
they are left on, the electrical system
can be damaged.
2. Disconnect the negative cable(s) from
the negative (-) terminal. NOTICE: Al-
ways disconnect all negative (-) ca-
bles first to avoid a short circuit and
damage to the electrical system.
[ECM01940]
3. Disconnect the positive cable(s) and re-
move the battery from the boat.
4. Clean, maintain, and store the battery ac-
cording to the manufacturer's instruc-
tions.
Maintenance
1
2
ZMU01811
[ECM01930]
73