Yamaha F8A - Procedure; Trimming Outboard Motor; Adjusting Trim Angle for Manual Tilt Models

Operation
Trimming outboard motor
WARNING
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.
TIP:
If the outboard motor is equipped with an en-
The trim angle of the outboard motor helps
gine shut-off cord, the engine can also be
determine the position of the bow of the boat
stopped by pulling the cord and removing the
in the water. Correct trim angle will help im-
clip from the engine shut-off switch.
prove performance and fuel economy while
reducing strain on the engine. Correct trim an-
Procedure
gle depends upon the combination of boat,
1. Turn the main switch to “ ” (off).
engine, and propeller. Correct trim is also af-
fected by variables such as the load in the
boat, sea conditions, and running speed.
2. After stopping the engine, disconnect the
fuel line or close the fuel cock if there is a
fuel joint or a fuel cock on the boat.
1. Trim operating angle
3. Tighten the air vent screw on the fuel tank
cap (if equipped).
Adjusting trim angle for manual tilt
4. Remove the key if the boat will be left un-
models
attended.
There are 4 or 5 holes provided in the clamp
TIP:
The engine can also be stopped by pulling the
cord and removing the clip from the engine
shut-off switch, then turning the main switch
to “ ” (off).
bracket to adjust the outboard motor trim an-
gle.
1. Stop the engine.
2. Tilt the outboard motor up, and then re-
move the trim rod from the clamp bracket.
47