Yamaha F50F, Owner'S Manual

Page: 94 / 110

Maintenance
88
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.
EMU29302
Cleaning fuel tank
WARNING
EWM00920
Gasoline is highly flammable, and its va-
pors are flammable and explosive.
●
If you have any question about properly
doing this procedure, consult your
Yamaha dealer.
●
Keep away from sparks, cigarettes,
flames, or other sources of ignition
when cleaning the fuel tank.
●
Remove the fuel tank from the boat be-
fore cleaning it. Work only outdoors in
an area with good ventilation.
●
Wipe up any spilled fuel immediately.
●
Reassemble the fuel tank carefully. Im-
Recommended gear oil:
Hypoid gear oil SAE#90
Gear oil quantity:
F50FEHT 0.430 L
(0.455 US qt, 0.378 Imp.qt)
F50FET 0.430 L
(0.455 US qt, 0.378 Imp.qt)
F60CEHT 0.430 L
(0.455 US qt, 0.378 Imp.qt)
F60CET 0.430 L
(0.455 US qt, 0.378 Imp.qt)
F70AET 0.670 L
(0.708 US qt, 0.590 Imp.qt)
FT60DET 0.670 L
(0.708 US qt, 0.590 Imp.qt)
Tightening torque:
9 Nm (0.9 kgf-m, 6.6 ft-lb)
Tightening torque:
9 Nm (0.9 kgf-m, 6.6 ft-lb)
ZMU03274
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