Trimming Outboard Motor; Adjusting Trim Angle For Manual Tilt Models - Yamaha FT25B Owner's Manual

Operation
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 cord and removing the clip from the en-
gine shut-off 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
angle depends upon the combination of
boat, engine, and propeller. Correct trim is
also affected by variables such as the load in
36
the boat, sea conditions, and running speed.
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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
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to steer, slow down and/or readjust the
trim angle.
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1. Trim operating angle
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Adjusting trim angle for manual tilt
models
There are 4 or 5 holes provided in the clamp
bracket to adjust the outboard motor trim an-
gle.
1. Stop the engine.
2. Tilt the outboard motor up, and then re-
WARNING
1
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