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Maintenance
80
8. Put a new gasket on the oil level plug.
When the gear oil begins to flow out of the
oil level plug hole, insert and tighten the
oil level plug to the specified torque.
9. Put a new gasket on the gear oil drain
screw. Insert and tighten the gear oil
drain screw to the specified torque.
10. Install the cooling water inlet covers on
both sides of the gear case, and then
tighten the bolt to the specified torque.
EMU41133
Inspecting and replacing anodes
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.
T
IP:
Consult a Yamaha dealer for inspecting and
replacement of internal anodes attached to
the engine.
EMU41102
Inspecting the battery
WARNING
EWM01902
Battery electrolyte is poisonous and caus-
tic, and batteries generate explosive hy-
drogen 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 inspecting the battery var-
ies for different batteries. This procedure con-
tains typical inspections 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:
9.0 Nm (0.92 kgf-m, 6.6 ft-lb)
Tightening torque:
9.0 Nm (0.92 kgf-m, 6.6 ft-lb)
Tightening torque:
2.0 Nm (0.20 kgf-m, 1.5 ft-lb)
1. Anode
1
ZMU06959
U6CB10E0.book Page 80 Wednesday, September 30, 2009 9:49 AM