Boston Whaler 20 Justice Series, Operation & Maintenance Manual

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2-9
Boat Operation Section 2
Speed Control
• Move the shift lever forward from the FORWARD
gear detent to increase engine speed in forward
gear.
• Move the shift lever backward from the
REVERSE gear detent to increase speed in
reverse gear.
Engine Trim
Trimming the engine down or in is best for accelera-
tion and carrying heavy loads. The boat ride tends to
be slower and wetter, and the boat might bow steer.
Trimming the engine up or out increases boat perfor-
mance and fuel economy. Excessive trim angle will
reduce boat performance. Excessive trim angle might
cause propeller ventilation and engine over-speed
alarms.
!
WARNING
Certain combinations of engine trim angle, boat
operating angle, and boat speed can reduce
your forward-facing visibility. Reduced
operator visibility can contribute to collisions,
causing serious injury or death.
!
WARNING
Excessive engine trim angle can cause the boat
to “porpoise” or bounce. Porpoising can
reduce operator control and visibility, resulting
in unsafe boat operation.