Trimming Outboard Motor; Adjusting Trim Angle - Yamaha 150 Owner's Manual

turn the main switch to "
2. After stopping the engine, disconnect
the fuel line if there is a fuel joint on the
outboard motor.
3. Tighten the air vent screw on the fuel
tank cap (if equipped).
4. Remove the key if the boat will be left
unattended.
NOTE:
The engine can also be stopped by pulling
the lanyard and removing the lock plate from
the engine stop switch, then turning the main
switch to " " (off).
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Trimming outboard motor

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
" (off). 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.
EWM00740
Excessive trim for the operating condi-
tions (either trim up or trim down) can
cause boat instability and can make
steering the boat more difficult. This in-
creases 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.
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1. Trim operating angle
EMU27882

Adjusting trim angle

Power trim and tilt models
EWM00751
Be sure all people are clear of the out-
G
WARNING
1
WARNING
Operation
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