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Propeller selection
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Propeller selection
The performance of a boat and outboard
motor will be critically affected by the size
and type of propeller you choose. Propellers
greatly affect boat speed, acceleration,
engine life, fuel economy, and even boating
and steering capabilities. An incorrect choice
could adversely affect performance and could
also seriously damage the engine.
Use the following information as a guide for
selecting a propeller that meets the operating
conditions of the boat and the outboard
motor.
Propeller size
The size of the propeller is indicated on the
propeller boss end, on the side of the propel-
ler boss.
a : Propeller diameter (in inches)
b : Propeller pitch (in inches)
c : Propeller type (propeller mark)
Selection
When the engine speed is at the full throttle
operating range (4500–5500 r/min), the ideal
propeller for the boat is one that provides
maximum performance in relation to boat
speed and fuel consumption.
Regular rotation model
abc
a
bc
Propeller size (in) Material
13 1/2 × 23 - M
Aluminum
13 3/4 × 21 - M
14 × 19 - M
14 1/2 × 17 - M
15 1/4 × 15 - M
13 3/4 × 17 - M2
Stainless
13 3/4 × 19 - M2
13 3/4 × 21 - M
13 3/8 × 23 - M
13 3/8 × 25 - M
14 1/2 × 15 - M
14 1/2 × 21 - M1
14 1/2 × 23 - M
14 1/2 × 23 - M2
14 1/2 × 25 - M2
14 1/2 × 27 - M1
14 7/8 × 21 - M
15 × 19 - M
15 1/4 × 15 - M
15 1/4 × 17 - M
15 1/4 × 19 - M
15 3/4 × 13 - M
Rigging recommendations / Propeller selection
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