Maintenance
72
corrosion by sacrificial anodes. Inspect the
external anodes periodically. Remove scales
from the surfaces of the anodes. Consult a
Yamaha dealer for replacement of external
anodes.
NOTICE
ECM00720
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.
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-
ZMU01901
ZMU03461