Yamaha F8A - Checking Battery (for Electric Start Models); Connecting the Battery

Maintenance
TIP:
Inspect ground leads attached to external an-
2. Check the battery’s charge. If your boat is
equipped with the digital speedometer,
odes on equipped models. Consult a Outboards
the voltmeter and low battery alert func-
dealer for inspection and replacement of inter-
tions will help you monitor the battery’s
nal anodes attached to the power unit.
charge. If the battery needs charging,
consult your Outboards dealer.
Checking battery (for electric start
3. Check the battery connections. They
models)
should be clean, secure, and covered by
WARNING
an insulating cover. WARNING! Bad
connections can produce shorting or
Battery electrolyte is poisonous and caus-
arcing and cause an explosion.
tic, and batteries generate explosive hy-
drogen gas. When working near the
Connecting the battery
battery:
 Wear protective eye gear and rubber
WARNING
gloves.
Mount the battery holder securely in a dry,
 Do not smoke or bring any other source
well-ventilated, vibration-free location in
of ignition near the battery.
the boat. Install a fully charged battery in
the holder.
The procedure for checking the battery varies
for different batteries. This procedure con-
tains typical checks that apply to many batter-
ies, but you should always refer to the battery
manufacturer’s instructions.
NOTICE
Do not reverse the battery cables. Other-
wise, the electrical parts could be dam-
aged.
NOTICE
A poorly maintained battery will quickly
deteriorate.
1. Make sure the main switch (on applicable
models) is “ ” (off) before working on
the battery.
1. Check the electrolyte level.
2. Connect the red battery cable to the
POSITIVE (+) terminal first. Then con-
nect the black battery cable to the NEGA-
TIVE (-) terminal.
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