Maintenance

oil drain screw is at the lowest point pos- sible.

2.Place a suitable container under the gear case.

3.Remove the gear oil drain screw and gasket.

2

1

ZMU01899

1.Gear oil drain screw

2.Oil level plug

ized filling device, inject the gear oil into the gear oil drain screw hole.

Recommended gear oil:

Hypoid gear oil SAE#90

Gear oil quantity:

980.0cm3 (33.13 US oz) (34.56 Imp.oz)

ZMU01900

NOTE:

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.

ECM00710

CAUTION:

Inspect the used oil after it has been drained. If the oil is milky, water is getting into the gear case which can cause gear damage. Consult a Yamaha dealer for repair of the lower unit seals.

NOTE:

For disposal of used oil, consult your Yamaha dealer.

5.With the outboard motor in a vertical po- sition, and using a flexible or pressur-

6.Put a new gasket on the oil level plug. When the oil begins to flow out of the oil level plug hole, insert and tighten the oil level plug.

7.Put a new gasket on the gear oil drain screw. Insert and tighten the gear oil

drain screw.

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

CAUTION:

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

NOTE:

Inspect ground leads attached to external anodes on equipped models. Consult a

55