Section 9
9-10
Shifting
The following information is a basic guideline only and may not apply to your
specific shift control. See the Engine Operator’s Manual or control manufacturer’s
information for the shift control operation, adjustment and maintenance.
• Most throttle and shift controls have a neutral detent locking lever that must be
released before shifting from NEUTRAL.
• Always pause in NEUTRAL before shifting from FORWARD to REVERSE, or
REVERSE to FORWARD. Most throttle and shift controls have a detent position
for NEUTRAL, FORWARD and REVERSE engagement positions. These detent
positions are important; when shifting into and out of gear, always pause in
these positions.
• Never shift into REVERSE while the boat is in FORWARD gear when traveling
at a high speed.
• Always keep the shift control clean and clear of obstructions.
Accelerating and Running Under Way
You must thoroughly understand your boat's equipment and controls in order to
drive and control your boat in a forward direction at all speeds and in all
conditions. Learning to drive and control your boat can be challenging; take this
matter seriously and spend plenty of time practicing. WARNING! When
accelerating the boat in the forward direction, the bow can rise and restrict
visibility.
The phrase “on plane” is commonly used when referring to the running angle of a
boat in forward motion. When a boat is “on plane” its hull is usually running level or
almost level with the water’s surface, which is considered level. The level “plane”
of the water’s surface is the most efficient angle to run in. This basically means
that the boat is running on top of the water and not plowing through it.
Factors to consider when accelerating a boat forward and running at the most
efficient planing angle are:
• Boat design
• Hull type and condition
• Boat load and distribution of weight
• Engine capability and condition
• Propeller type, size and condition
• Power trim equipment and condition (if equipped)
Because all boats are different and vary in design, purpose and load, planing
angles and characteristics will vary among all boats. Seek qualified assistance to
help you become familiar with your boat's characteristics.
The following guidelines provide a basic understanding of forward acceleration
and operating on plane while under way:
Supreme_2018.book Page 10 Wednesday, January 31, 2018 9:30 AM
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