Maintenance
74
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.
[EWM01912]
EMU35604
Connecting the battery
WARNING
EWM00572
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
ECM01124
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 “
” (off) before working on
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.
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.
Connecting an accessory battery (optional)
If connecting an accessory battery, consult
your Yamaha dealer about correct wiring. It is
recommendable to install the fuse to the isola-
tor 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.
1. Red cable
2. Black cable
3. Battery
ZMU01811
1
2
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