Operation
65
3. Tighten the air vent screw by turning it
clockwise.
4. Remove the key if the boat will be left un-
attended.
The engine can also be stopped by pulling
the cord and removing the clip from the en-
gine shut-off switch, then turning the main
switch to “ ” (off).
EMU27865
Trimming outboard motor
EWM00741
Excessive trim for the operating condi-
tions (either trim up or trim down) can
cause boat instability and can make steer-
ing the boat more difficult. This increases
the possibility of an accident. If the boat
begins to feel unstable or is hard to steer,
slow down and/or readjust the trim angle.
The trim angle of the outboard motor helps
determine the position of the bow of the boat
in the water. Correct trim angle will help im-
prove performance and fuel economy while
reducing strain on the engine. Correct trim
angle depends upon the combination of
boat, engine, and propeller. Correct trim is
also affected by variables such as the load in
the boat, sea conditions, and running speed.
1. Fuel joint
2. Fuel hose
1. Air vent screw
1. Trim operating angle
U6D63EE0.book Page 65 Friday, December 12, 2014 9:39 AM
©2019 Yamaha Motor Corporation, U.S.A.
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