General information
accessories rated to withstand 18 volts or
higher with the above models. Consult your
Yamaha dealer for details on installing an
3.
Type of propeller (propeller mark)
NOTE:
optional Rectifier Regulator.
Select a propeller which will allow the engine
to reach the middle or upper half of the oper-
ating range at full throttle with the maximum
EMU25742
Propeller selection
The performance of your outboard motor will boat load. If operating conditions such as
be critically affected by your choice of propel- light boat loads then allow the engine r/min to
ler, as an incorrect choice could adversely rise above the maximum recommended
affect performance and could also seriously range, reduce the throttle setting to maintain
damage the motor. Engine speed depends the engine in the proper operating range.
on the propeller size and boat load. If engine
For instructions on propeller removal and in-
stallation, see page 66.
speed is too high or too low for good engine
performance, this will have an adverse effect
on the engine.
EMU25770
Start-in-gear protection
Yamaha outboard motors are fitted with pro-
Yamaha outboard motors or Yamaha-ap-
pellers chosen to perform well over a range
proved remote control units are equipped
of applications, but there may be uses where
with start-in-gear protection device(s). This
a propeller with a different pitch would be
feature permits the engine to be started only
more appropriate. For a greater operating
when it is in neutral. Always select neutral
load, a smaller-pitch propeller is more suit-
before starting the engine.
able as it enables the correct engine speed
to be maintained. Conversely, a larger-pitch
propeller is more suitable for a smaller oper-
ating load.
Yamaha dealers stock a range of propellers,
and can advise you and install a propeller on
your outboard that is best suited to your ap-
plication.
x
-
2 3
1
ZMU04605
1.
2.
Propeller diameter in inches
Propeller pitch in inches
12
| Categories | Yamaha Outboard Manuals |
|---|---|
| Document Type | Boat Motor Manual Free Download. Marine Operator's Boating Guide. |
| Tags | Yamaha F15C, Yamaha F20 |
| Model Year | 2007 |
| 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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