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Yamaha F250 User Manual

Yamaha F250
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Operation
71
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).
2. If equipped with the Yamaha Security
System: When you leave your boat, set
the Yamaha Security System to the lock
mode by pressing the lock button of the
remote control transmitter. Short beep
will sound once when locking the securi-
ty system. The lock mode is selected
only when the main switch is in the “
(off) position. For further information,
see page 32. WARNING! Do not set
the Yamaha Security System in the
lock mode when you stop the engine
at offshore.
[EWM02151]
3. Remove the key if the boat will be left un-
attended.
EMU27865
Trimming outboard motor
WARNING
EWM00741
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.
EMU27889
Adjusting trim angle (Power trim and
tilt)
WARNING
EWM00754
Be sure all people are clear of the out-
board motor when adjusting the trim
angle. Body parts can be crushed be-
tween the motor and the clamp bracket
when the motor is trimmed or tilted.
Use caution when trying a trim position
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.
If equipped with a power trim and tilt
switch located on the bottom cowling,
use the switch only when the boat is at
ZMU07150
1. Trim operating angle
6CE-9-36-1E0.book 71 ページ 2014年11月28日 金曜日 午後2時55分
©2019 Yamaha Motor Corporation, U.S.A.

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Yamaha F250 Specifications

General IconGeneral
Prop Shaft Horsepower250 hp
Full Throttle RPM Range5000 - 6000 rpm
Gear Ratio1.75:1
Starting SystemElectric
Displacement4169cc
Bore x Stroke96 x 96 mm
Fuel Induction SystemEFI (Electronic Fuel Injection)
Ignition SystemTCI (Transistor Controlled Ignition)
Alternator Output50 amps
SteeringRemote
Shaft Length25 in
Weight253 kg (557 lbs) - F250XCA
Recommended FuelRegular Unleaded (Minimum Octane 87)

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