Installation; Mounting The Outboard Motor - Yamaha FL200C Owner's Manual

Installation

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Installation
The information presented in this section is
intended as reference only. It is not possible
to provide complete instructions for every
possible boat and motor combination. Proper
mounting depends in part on experience and
the specific boat and motor combination.
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WARNING
 Overpowering a boat could cause se-
vere instability. Do not install an out-
board motor with more horsepower
than the maximum rating on the capaci-
ty plate of the boat. If the boat does not
have a capacity plate, consult the boat
manufacturer.
 Improper mounting of the outboard mo-
tor could result in hazardous conditions
such as poor handling, loss of control,
or fire hazards. For permanently mount-
ed models, your dealer or other person
experienced in proper rigging should
mount the motor.
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Mounting the outboard motor

The outboard motor should be mounted so
that the boat is well balanced. Otherwise, the
boat could be hard to steer. For single-engine
boats, mount the outboard motor on the cen-
terline (keel line) of the boat. For twin engine
boats, mount the outboard motors equidis-
tant from the centerline. Consult your
Yamaha dealer or boat manufacturer for fur-
ther information on determining the proper
mounting location.
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1. Center line (keel line)
1. Center line (keel line)
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Mounting height (boat bottom)
The mounting height of your outboard motor
affects its efficiency and reliability. If it is
mounted too high, propeller ventilation may
occur, which will reduce propulsion due to
excessive propeller slip, and the water in-
takes for the cooling system may not get ad-
equate water supply, which can cause engine
overheating. If the engine is mounted too low,
water resistance (drag) will increase, thereby
reducing engine efficiency and performance.
Most commonly, outboard motor should be
mounted so that the anti-cavitation plate is in
alignment with the bottom of the boat. The
optimum mounting height of the outboard
motor is affected by the boat/motor combi-
nation and the desired use. Test runs at dif-
ferent heights can help determine the
optimum mounting height. Consult your
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