Installation Requirements; Boat Horsepower Rating; Mounting Outboard Motor; Remote Control Requirements - Yamaha F40H Owner's Manual

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Installation requirements

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Boat horsepower rating

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Overpowering a boat can cause severe
instability.
Before installing the outboard motor(s), con-
firm that the total horsepower of your out-
board motor(s) does not exceed the boat's
maximum horsepower rating. See the boat's
capacity plate or contact the manufacturer.
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Mounting outboard motor

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Improper mounting of the outboard mo-

tor could result in hazardous condi-
tions such as poor handling, loss of
control, or fire hazards.
Because the outboard motor is very

heavy, special equipment and training
is required to mount it safely.
Your dealer or other person experienced in
proper rigging should mount the outboard
motor using correct equipment and complete
rigging instructions. For further information,
see page 41.
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Remote control requirements

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If the engine starts in gear, the boat can

move suddenly and unexpectedly, pos-
sibly causing a collision or throwing
passengers overboard.
If the engine ever starts in gear, the

Specifications and requirements
The remote control unit must be equipped
with a start-in-gear protection device(s). This
device prevents the engine from starting un-
less it is in neutral.
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Battery specifications

The engine cannot be started if battery volt-
age is too low.
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Mounting battery
Mount the battery holder securely in a dry,
well-ventilated, vibration-free location in the
boat. WARNING! Do not put flammable
items, or loose heavy or metal objects in
the same compartment as the battery.
Fire, explosion or sparks could result.
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Battery cable
The battery cable size and length are critical.
Consult your Yamaha dealer about the bat-
tery cable size and length.
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Next to selecting an outboard motor, select-
ing the right propeller is one of the most im-
portant purchasing decisions a boater can
start-in-gear protection device is not
working correctly and you should dis-
continue using the outboard. Contact
your Yamaha dealer.

Battery requirements

Battery rating (CCA/EN):
430–1080 A
Battery rating (20HR/IEC):
70 Ah

Propeller selection

14