Specifications and requirements
Tightening torque for engine:
Spark plug:
EMU25694
Battery requirements
EMU25730
Without a rectifier or Rectifier Regula-
tor
ECM01090
25.0
Nm (2.55 kgf-m, 18.4 ft-lb)
Propeller nut:
17.0
Nm (1.73 kgf-m, 12.5 ft-lb)
NOTICE
EMU33554
Installation requirements
A battery cannot be connected to models
that do not have a rectifier or Rectifier
Regulator.
EMU33563
Boat horsepower rating
EWM01560
WARNING
If you wish to use a battery with the models
without a rectifier or Rectifier Regulator, install
an optional Rectifier Regulator.
Overpowering a boat can cause severe in-
stability.
Before installing the outboard motor(s), con- Using a maintenance-free battery with the
firm that the total horsepower of your motor(s) above models can shorten the life of the bat-
does not exceed the boats maximum horse- tery significantly.
power rating. See the boat’s capacity plate or Install an optional Rectifier Regulator or use
contact the manufacturer.
accessories rated to withstand 18 volts or
higher with the above models. Consult your
Yamaha dealer for details on installing an op-
EMU33571
Mounting motor
EWM01570
tional Rectifier Regulator.
WARNING
EMU34192
Improper mounting of the outboard mo-
tor could result in hazardous conditions
such as poor handling, loss of control,
or fire hazards.
Propeller selection
q
Next to selecting an outboard, choosing the
right propeller is one of the most important
purchasing decisions a boater can make. The
q
Because the motor is very heavy, spe- type, size, and design of your propeller have
cial equipment and training is required
a direct impact on acceleration, top speed,
fuel economy, and even engine life. Yamaha
to mount it safely.
designs and manufactures propellers for ev-
ery Yamaha outboard motor and every appli-
cation.
Your outboard motor came with a Yamaha
propeller chosen to perform well over a range
of applications, but there may be uses where
a different propeller would be more appropri-
ate.
Your dealer or other person experienced in
proper rigging should mount the motor using
correct equipment and complete rigging in-
structions. For further information, see page
23.
Your Yamaha dealer can help you select the
right propeller for your boating needs. Select
a propeller that will allow the engine to reach
the middle or upper half of the operating
range at full throttle with the maximum boat-
13
| Categories | Yamaha Outboard Manuals |
|---|---|
| Document Type | Boat Motor Manual Free Download. Marine Operator's Boating Guide. |
| Tags | Yamaha 15, Yamaha 9 |
| Model Year | 2008 |
| Download File |
|
| Language | English |
| Product Brand | Yamaha Motor. Yamaha Motor Corporation, USA - Support Customer Relations for US: 1-800-962-7926
Yamaha Boats: 1-800-962-7926 Yamaha Outboard Customer Relations: 1-866-894-1626 , Yamaha Outboard |
| Document File Type | |
| Publisher | yamaha-motor.com |
| Wikipedia's Page | Yamaha Motor Company |
| Copyright | Attribution Non-commercial |
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