General information
speed is too high or too low for good engine For instructions on propeller removal and in-
performance, this will have an adverse effect stallation, see page 49.
on the engine.
Yamaha outboard motors are fitted with pro-
EMU25770
Start-in-gear protection
pellers chosen to perform well over a range Yamaha outboard motors or Yamaha-ap-
of applications, but there may be uses where proved remote control units are equipped
a propeller with a different pitch would be with start-in-gear protection device(s). This
more appropriate. For a greater operating feature permits the engine to be started only
load, a smaller-pitch propeller is more suit- when it is in neutral. Always select neutral
able as it enables the correct engine speed before starting the engine.
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
ZMU04606
1.
2.
3.
Propeller diameter in inches
Propeller pitch in inches
Type of propeller (propeller mark)
NOTE:
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
boat load. If operating conditions such as
light boat loads then allow the engine r/min to
rise above the maximum recommended
range, reduce the throttle setting to maintain
the engine in the proper operating range.
9
| Categories | Yamaha Outboard Manuals |
|---|---|
| Document Type | Boat Motor Manual Free Download. Marine Operator's Boating Guide. |
| Tags | Yamaha 40D, Yamaha 50D |
| Model Year | 2005 |
| 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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