Maintenance
75
EMU29322
Checking battery (for electric start
models)
WARNING
EWM01900
Battery electrolytic fluid is poisonous
and caustic, and batteries generate ex-
plosive hydrogen 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.
Refer to page 11 for detailed safety infor-
mation about batteries.
The procedure for checking the battery var-
ies for different batteries. This procedure
contains typical checks that apply to many
batteries, but you should always refer to the
battery manufacturer’s instructions.
NOTICE
ECM01920
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.
[EWM01910]
EMU29333
Connecting the battery
WARNING
EWM00570
Mount the battery holder securely in a
dry, well-ventilated, vibration-free loca-
tion in the boat. Install a fully charged bat-
tery in the holder.
NOTICE
ECM01123
Reversal of the battery cables will dam-
age the electrical parts.
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 con-
nect the black battery cable to the NEG-
ATIVE (-) terminal.
3. The electrical contacts of the battery and
1. Red cable
2. Black cable
3. Battery
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