Inspecting And Replacing Anode(S) - Yamaha F30 Owner's Manual

Maintenance
TIP:
If a magnetic gear oil drain screw is

equipped, remove all metal particles from
the screw before installing it.
Always use new gaskets. Do not reuse the

removed gaskets.
4. Remove the oil level plug and gasket to
allow the oil to drain completely.
NOTICE: Check the used gear oil after
it has been drained. If the gear oil is
milky or contains water or a large
amount of metal particles, the gear
case may be damaged. Have a
Yamaha dealer check and repair the
outboard motor.
TIP:
For disposal of used oil, consult your
Yamaha dealer.
5. Put the outboard motor in a vertical posi-
tion. Using a flexible or pressurized fill-
ing device, inject the gear oil into the
gear oil drain screw hole.
Recommended gear oil:
Yamalube Marine Gearcase Lube or
Hypoid gear oil
Recommended gear oil grade:
SAE 90 API GL-4
Gear oil quantity:
0.430 L (0.455 US qt, 0.378 Imp.qt)
6. Put a new gasket on the oil level plug.
94
[ECM00714]
ZMU03274
When the oil begins to flow out of the oil
level plug hole, insert and tighten the oil
level plug.
TIP:
Apply a light coat of gear oil to the oil level
plug thread and gasket before installation.
Tightening torque:
7 N·m (0.7 kgf·m, 5.2 lb·ft)
7. Put a new gasket on the gear oil drain
screw. Insert and tighten the gear oil
drain screw.
TIP:
Apply a light coat of gear oil to the gear oil
drain screw thread and gasket before instal-
lation.
Tightening torque:
7 N·m (0.7 kgf·m, 5.2 lb·ft)
EMU29318

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.
ECM00721
NOTICE
Do not paint anodes, as this would render
them ineffective.