49
Helm Control Systems
4.4 Engine Power Tilt & Trim
All outboard engines have a tilt and trim feature.
Most outboard engines have tilt/trim switches built
into the engine shift and throttle controls that allow
the operator to control the position of the outboards
from the helm. Typically, a switch or switches on
the port control lever grip activates the tilt/trim for
the engines. Yamaha engine controls have two
switches on the cover that activate each engine
tilt/trim individually. If necessary, the maximum
tilt angle can be adjusted by your Scout or Yamaha
dealer by reprogramming the settings using the
Yamaha engine diagnostic system.
Moving the outboard closer to the boat transom is
called trimming “in” or “down.” Moving the outboard
further away from the boat transom is called trim-
ming “out” or “up.” In most cases, the boat will run
best with the outboard adjusted so the hull will run
at a 3 to 5 degree angle to the water.
The term “trim” generally refers to the adjustment
of the outboard within the first 20
o
range of travel.
This is the range used while operating your boat on
plane. The term “tilt” is generally used when refer
-
ring to adjusting the outboard further up for shallow
water operation or trailering. For information on the
proper use and maintenance of the power tilt and
trim, please refer to the engine owner’s manual.
CAUTION
THE ENGINE HOSES AND CABLES OR THE TRANSOM GEL
COAT CAN BE DAMAGED BY TILTING THE ENGINES TO THE
FULL UP POSITION WITH THE ENGINES TURNED TO THE
WRONG POSITION. MOST BOATS REQUIRE THE STEERING
WHEEL TO BE TURNED COMPLETELY TO STARBOARD BEFORE
TILTING THE ENGINES TO THE FULL UP POSITION. YOU
SHOULD MONITOR EACH ENGINE AS IT TILTS TO DETERMINE
BEST FULL TILT ENGINE POSITION FOR YOUR BOAT.
CAUTION
SOME AUTOPILOTS HAVE ENGINE POSITION SENSORS THAT
ARE MOUNTED TO THE HYDRAULIC STEERING CYLINDER.
WITH THESE AUTOPILOTS, THE ENGINE POSITION SENSOR
BRACKET COULD HIT THE TRANSOM WHEN THE ENGINES
ARE TILTED TO THE FULL UP POSITION AND CAUSE DAMAGE
TO THE ENGINE RIGGING, THE AUTOPILOT OR THE TRANSOM.
IF YOU HAVE AN AUTOPILOT INSTALLED ON YOUR BOAT, YOU
SHOULD MONITOR THE LOCATION OF THE ENGINE CABLES
AND AUTOPILOT BRACKETS AS THE ENGINES ARE TILTED
TO DETERMINE THE BEST ENGINE POSITION AND MAXIMUM
ENGINE TILT FOR YOUR APPLICATION.
Typical Yamaha Engine Power Trim & Tilt Switches
https://www.boat-manuals.com/
Summary of Contents for 300 LXF
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Page 155: ...155 MAINTENANCE LOG Appendix C Date Hours Dealer Service Repairs https www boat manuals com ...
Page 156: ...156 Maintenance Log Date Hours Dealer Service Repairs https www boat manuals com ...
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Page 161: ...161 Appendix D https www boat manuals com ...
Page 162: ...162 Boating Accident Report https www boat manuals com ...
Page 163: ...163 Boating Accident Report https www boat manuals com ...
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Page 173: ...173 Scout Boats Inc 2531 Hwy 78 West Summerville SC 29483 https www boat manuals com ...