Yamaha F4 Manuel De L'utilisateur page 72

Maintenance
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1. Oil filler cap
2. Oil lubrication check window
TIP:
The oil lubrication check window does not in-
dicate the engine oil level. Use the oil lubrica-
tion check window to make sure that the
engine is being lubricated with oil while it is
running.
6. Insert the tube of the oil changer into the
oil filler hole, and then extract the engine
oil completely using the oil changer.
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1. Oil changer
TIP:
When using an oil changer, skip steps 7 and
8.
7. Prepare a suitable container that holds a
larger amount than the engine oil capac-
ity. Remove the drain screw and gasket
while holding the container under the
drain hole. Let the oil drain completely.
Wipe up any spilled oil immediately.
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1. Drain screw
2. Gasket
TIP:
If the oil does not drain easily, change the tilt
angle or turn the outboard motor to port and
starboard to drain the oil.
8. Put a new gasket on the oil drain screw.
Apply a light coat of oil to the gasket and
install the drain screw.
Drain screw tightening torque:
18 Nm (1.84 kgf-m, 13.3 ft-lb)
TIP:
If a torque wrench is not available when you
are installing the drain screw, finger tighten
the screw just until the gasket comes into
contact with the surface of the drain hole.
Then tighten 1/4 to 1/2 turn more. Tighten the
drain screw to the correct torque with a
torque wrench as soon as possible.
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9. Add the correct amount of oil through the
filler hole. NOTICE: Overfilling the oil
could cause leakage or damage. If the
oil level is above the upper mark, ex-
tract oil until the oil is between the up-
per and lower marks.
10. Install the oil filler cap and tighten it com-
pletely.
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