Clamping The Outboard Motor - Yamaha F4 Owner's Manual

ECM02171
NOTICE
 Check that the idle hole stays high
enough to keep out water getting inside
engine even if the boat is in stationary
with maximum load.
 Incorrect engine height or obstructions
to the smooth flow of water (such as the
design or condition of the boat) can cre-
ate airborne water spray while the boat
is cruising. If the motor is operated con-
tinuously in the presence of airborne
water spray, enough water could enter
the engine through the intake opening
on the top cowling to cause severe en-
gine damage. Eliminate 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 46.
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.
1
1. Clamp screw
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.
1. Restraint cable attachment
Installation
[EWM00643]
ZMU06811
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ZMU06812
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