Checking Battery (For Electric Start Models); Connecting The Battery - Yamaha F50F Owner's Manual

Maintenance
EMU29323
Checking battery (for electric start
models)
EWM01902
WARNING
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.
ECM01920
NOTICE
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
90
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

EWM00572
WARNING
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.
ECM01124
NOTICE
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 "
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.
1. Red cable
2. Black cable
3. Battery
3. The electrical contacts of the battery and
cables must be clean and properly con-
" (off) before working