Changing Engine Oil - Yamaha F4D Owner's Manual

Maintenance
or other qualified mechanic.
2. Verify whether the idle speed is set to
specification. For idle speed specifica-
tions, see page 34.
EMU29103

Changing engine oil

EWM00760
WARNING
Avoid draining the engine oil immedi-
G
ately after stopping the engine. The oil
is hot and should be handled with care
to avoid burns.
Be sure the outboard motor is securely
G
fastened to the transom or a stable
stand.
ECM00970
CAUTION:
Do not overfill the oil, and be sure the
G
outboard motor is upright (not tilted)
when checking and changing the en-
gine oil.
If the oil level is above the upper level
G
mark, drain until the level meets the
specified capacity. Overfilling the oil
could cause leakage or damage.
ECM01240
CAUTION:
Change the engine oil after the first 10
hours of operation, and every 100 hours
or at 6-month intervals thereafter. Other-
wise the engine will wear quickly.
NOTE:
Change the engine oil when the oil is still
warm.
1. Put the outboard motor in an upright po-
sition (not tilted).
43
2. Prepare a suitable container that holds a
larger amount than the engine oil capac-
ity. Loosen and remove the drain screw
while holding the container under the
drain hole. Then remove the oil filler cap.
Let the oil drain completely. Wipe up any
spilled oil immediately.
1. Drain screw
3. Put a new gasket on the oil drain screw.
Apply a light coat of oil to the gasket and
install the drain screw.
Tightening torque:
See page 34
NOTE:
If a torque wrench is not available when you
are installing the drain plug, finger tighten the
bolt just until the gasket comes into contact
with the surface of the drain hole. Then tight-
ZMU02699
1
ZMU02709