Checking Battery (For Electric Start Models) - Yamaha 40V Owner's Manual

Yamaha dealer for replacement of external
anodes.
ECM00720
NOTICE
Do not paint anodes, as this would render
them ineffective.
TIP:
Inspect ground leads attached to external
anodes on equipped models. Consult a
Yamaha dealer for inspection and replace-
ment of internal anodes attached to the pow-
er unit.
EMU29323
Checking battery (for electric start
models)
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.
ZMU03134 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.
ZMU03135
ZMU03418
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-
Maintenance
WARNING
79