Yamaha F70A - Checking Battery (for Electric Start Models); Connecting the Battery

Maintenance
90
EMU29323
Checking battery (for electric start
models)
WARNING
EWM01902
Battery electrolyte is poisonous and
caustic, and batteries generate explosive
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.
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.
[EWM01912]
EMU29334
Connecting the battery
WARNING
EWM00572
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
ECM01124
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 con-
nect the black battery cable to the NEG-
ATIVE (-) terminal.
3. The electrical contacts of the battery and
cables must be clean and properly con-
1. Red cable
2. Black cable
3. Battery
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