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Section 2 - Getting to Know Your Power Package
Throttle–Only Button. Allows engine throttle advancement without shifting the engine. This is done by disengaging the shift
mechanism from the control handle. The throttle–only button can be depressed only when the remote control handle is in the
neutral position.
Control Handles. Operation of the the shift and throttle are controlled by the movement of the control handle. Push the control
handle forward from neutral with a quick, firm motion to the first detent for forward gear and continue pushing forward to
increase speed. Pull the control handle back from neutral with a quick, firm motion to the first detent for reverse gear and
continue pushing back to increase speed.
Control Handle Tension Adjustment Screw (not visible). This screw is used to adjust the effort required to move the remote
control handle. Refer to the instructions provided with the remote control for complete adjustment instructions.
Power Trim Switch. See the Power Trim section for detailed power trim operating procedures.
Trailer Switch. Used to raise the drive unit for trailering, launching, beaching, or shallow water operation. See Power Trim for
detailed trailer switch operation.
Power Trim
Power trim allows the operator to adjust the sterndrive angle while underway to provide the ideal boat angle for varying load
and water conditions. Also, the trailering feature allows the operator to raise and lower the sterndrive for trailering, beaching,
launching, low‑speed (below 1200 RPM engine speed), and shallow water operation.
Excessive trim can cause serious injury or death at high speeds, and single‑ram trim systems do not provide a trim‑out
limiting device or trim indicator. Use caution when trimming with a single‑ram trim system and never trim out beyond the unit's
side support flanges while the boat is underway or at engine speeds above 1200 RPM.
For best performance, trim the sterndrive so that the boat bottom is at a 3–5° angle to the water.
Trimming the sterndrive up (out) can:
•
Generally increase top speed
•
Increase clearance over submerged objects or a shallow bottom
•
Cause the boat to accelerate and plane off slower
•
In excess, cause boat porpoising (bouncing) or propeller ventilation
•
Cause engine overheating if trimmed up (out) to a point where any cooling water intake holes are above the water line
Trimming the sterndrive down (in) can:
•
Help the boat accelerate and plane off quicker
•
Generally improve the ride in choppy water
•
In most cases, reduce boat speed
Page 18
WARNING
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mc78529
3 - 5
mc79528
90-8M0069751
APRIL 2012
eng
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