Trimming Outboard Motor; Adjusting Trim Angle For Manual Tilt Models - Yamaha F25 Owner's Manual
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- Owner's manual (122 pages) ,
- Service manual (43 pages) ,
- User manual (25 pages)
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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.
TIP:
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).
EMU27862
Trimming outboard motor
EWM00740
WARNING
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.
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.
ZMU06533
1. Trim operating angle
ZMU02301
EMU38880
Adjusting trim angle for manual tilt
models
EWM00400
WARNING
Stop the engine before adjusting the
G
trim angle.
Use care to avoid being pinched when
G
removing or installing the rod.
Use caution when trying a trim position
G
for the first time. Increase speed gradu-
ally and watch for any signs of instabil-
ity or control problems. Improper trim
angle can cause loss of control.
There are 4 or 5 holes provided in the clamp
bracket to adjust the outboard motor trim an-
Operation
59
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