Maintenance
93
7. Put a new gasket on the gear oil drain
screw. Insert and tighten the gear oil
drain screw.
EMU29316
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.
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.
EMU29323
Checking battery (for electric start
models)
WARNING
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.
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.
Tightening torque:
9 Nm (0.92 kgf-m, 6.6 ft-lb)
ZMU04721
ZMU02820
ZMU04722
6C1-9-3B-1E0.book 93 ページ ２０１２年１１月１９日 月曜日 午前１０時３５分
