4747
Helm Control Systems
The term “trim” generally refers to the adjustment
of the outboards within the rst 20
0
range of travel.
This is the range used while operating your boat
on plane. The term “tilt” is generally used when
referring to adjusting the outboards further up for
shallow water operation or trailering.
Some control systems provide a means to set the
engine trim angle to automatically adjust accord-
ing to the engine speed. For information on the
proper use and maintenance of the power tilt and
trim, please refer to the engine owner’s manual.
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 PORT OR 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.
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.
4.5 Engine Stop Switch
Your boat is equipped with an engine stop switch
and lanyard at each helm. When the lanyard is
pulled it will engage the switch and shut off the
engines. We strongly recommend that the lanyard
be attached to the driver whenever the engines
are running. If an engine will not start, it could
be because the lanyard is not properly inserted
into the engine stop switch. Always make sure
the lanyard is properly attached to the engine stop
switch before attempting to start the engines.
Refer to the engine owner’s manual for more in-
formation on the engine stop switch.
Yamaha Quad Engine Stop Switch & Lanyard
Ignition START/STOP Switches
Yamaha Quad Engine Trim Controls
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