Yamaha F40F Owner's Manual download pdf (Page 94)

Maintenance

88

stand. You could be severely injured if

the outboard motor falls on you.

 Never get under the lower unit while it

is tilted, even when the tilt support lever

or knob is locked. Severe injury could

occur if the outboard motor accidental-

ly falls.

1. Tilt the outboard motor so that the gear

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. NOTICE: If there is an exces-

sive quantity of metal particles on the

magnetic gear oil drain screw, this

can indicate lower unit problem. Con-

sult your Yamaha dealer.

[ECM01900]

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.

[ECM00713]

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.

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.

1. Gear oil drain screw

2. Oil level plug

ZMU03273

2

1

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)

Tightening torque:

9 Nm (0.92 kgf-m, 6.6 ft-lb)

ZMU03274

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