Installation
19
NOTICE
ECM01635
Make sure that the idle hole is high
enough to prevent water from entering
the engine even if the boat is stationary
with the maximum load.
Incorrect engine height or obstructions
to the smooth flow of water (such as the
design or condition of the boat, or ac-
cessories, such as transom ladders or
depth finder transducers) can create air-
borne water spray while the boat is
cruising. If the outboard motor is oper-
ated continuously in the presence of air-
borne water spray, enough water could
enter the engine through the air intake
opening in the top cowling to cause se-
vere engine damage. Remove the cause
of the airborne water spray.
TIP:
The optimum mounting height of the out-
board motor is affected by the boat and
motor combination and the desired use.
Test runs at different heights can help de-
termine the optimum mounting height.
Consult your Yamaha dealer or boat man-
ufacturer for further information on deter-
mining the proper mounting height.
For instructions on setting the trim angle of
the outboard motor, see page 27.
EMU39753
Clamping the outboard motor
1.
Place the outboard motor on the tran-
som so that it is positioned as close to
the center as possible. Tighten the clamp
screws evenly and securely. Occasional-
ly check the clamp screws for tightness
during operation of the outboard motor
because they could become loose due
to engine vibration.
WARNING! Loose
clamp screws could allow the out-
board motor to fall off or move on the
transom. This could cause loss of
control and serious injury. Make sure
the clamp screws are tightened se-
curely. Occasionally check the screws
for tightness during operation.
[EWM00643]
2.
Attach one end to the restraint cable at-
tachment and the other to a secure
mounting point on the boat. Otherwise
the engine could be completely lost if it
accidentally falls off the transom.
ZMU02012
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