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PROPELLER INSTALLATION
NOTICE
Selection
Select propellers as shown below so that the specified engine
rpm is obtained with the throttle fully opened.
NOTICE
Propeller selection chart
Installing a propeller with either too much or too little
pitch will cause incorrect maximum engine speed,
which may result in severe damage to the motor.
Select a propeller that will allow the engine to reach
the recommended operating range at full throttle with
the maximum boat load.
Recommended full
throttle speed range
DF350A 5 700 – 6 300 r/min
Using the improper combination of front and rear pro-
pellers can cause lower unit damage.
Confirm the size of the front and rear propellers when
installing them.
The front and rear propellers must be the same num-
ber of blades, diameter and pitch.
Front propeller Rear propeller
Blade × Dia. (in.) × Pitch (in.) Blade × Dia. (in.) × Pitch (in.)
3 × 15 and 1/2 × 19.5
3 × 15 and 1/2 × 21
3 × 15 and 1/2 × 22.5
3 × 15 and 1/2 × 24
3 × 15 and 1/2 × 25.5
3 × 15 and 1/2 × 27
3 × 15 and 1/2 × 28.5
3 × 15 and 1/2 × 19.5
3 × 15 and 1/2 × 21
3 × 15 and 1/2 × 22.5
3 × 15 and 1/2 × 24
3 × 15 and 1/2 × 25.5
3 × 15 and 1/2 × 27
3 × 15 and 1/2 × 28.5
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