Maintenance
94
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.
EMU29372
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.
[ECM01931]
2.
Disconnect the negative cable(s) from
the negative (-) terminal.
NOTICE:
Al-
ways disconnect all negative (-) cables
first to avoid a short circuit and dam-
age to the electrical system.
[ECM01941]
3.
Disconnect the positive cable(s) and re-
move the battery from the boat.
4.
Clean, maintain, and store the battery
according to the manufacturer’s instruc-
tions.
EMU38661
Storing the battery
When storing your Yamaha outboard motor
for prolonged periods of time (2 months or
longer), remove the battery and store it in a
cool, dry place.
Check the battery and charge it if necessary.
1. Red cable
2. Black cable
3. Battery
ZMU01811
1
2
3
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