Inspecting And Replacing Anode(S); Checking Battery (For Electric Start Models) - Yamaha 70 Owner's Manual

the screws firmly.
EMU29312

Inspecting and replacing anode(s)

Yamaha outboard motors are protected from
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.
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.
EMU29322
Checking battery (for electric start
models)
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 14 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.
ECM01920
NOTICE
A poorly maintained battery will quickly
deteriorate.
1. Check the electrolyte level.
ZMU01901
2. Check the battery's charge. If your boat
is equipped with the digital speedome-
ter, the voltmeter and low battery alert
ZMU02559
functions will help you monitor the bat-
tery's charge. If the battery needs charg-
Maintenance
WARNING
69