Yamaha F225F, Service Manual

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10-6
Predelivery check
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A
Checking the gear shift and throttle
operation
1. Check that the gear shift operates
smoothly when the remote control lever
is moved from the N position to the F or R
position.
2. Check that the throttle operates smoothly
when the remote control lever is moved
from the F or R position to the fully open
position.
Checking the outboard motor
mounting height
1. Check that the anti-cavitation plate
a
is
aligned with the bottom
b
of the boat. If
the mounting height is too high, cavita-
tion will occur and propulsion will
decrease. Besides, the engine speed will
increase abnormally and cause the
engine to overheat. If the mounting
height is too low, water resistance will
increase, which will decrease engine effi-
ciency and performance.
TIP:
The appropriate mounting height depends on
the combination of the boat and outboard
motor. To determine the appropriate mount-
ing height, test run the outboard motor at dif-
ferent heights.
2. Check that the clamp brackets are
secured using the clamp bolts.
Checking the PTT system
1. Check that the outboard motor tilts up
and down smoothly when the PTT switch
is pushed.
2. Check that there is no abnormal noise
produced when the outboard motor is
tilted up or down.
3. Check that there is no interference with
cables, hoses, or leads when the tilted-up
outboard motor is steered.
4. Check that the trim meter points down
when the outboard motor is fully tilted
down.
Checking the steering system
1. Check that the steering operates
smoothly.
2. Check that there is no interference with
cables, hoses, or leads when the
outboard motor is steered.
Test run
1. Start the engine, and then check that the
gear shift operates smoothly.
2. Warm up the engine, and then check the
engine idle speed.
3. Operate the boat at trolling speed.
4. Operate the outboard motor according to
the break-in procedure.
5. Check that the outboard motor does not
tilt up when the remote control lever is
moved to the R position and that water
does not flow in over the transom.
6. Check that the PTT operates smoothly
while the outboard motor is running.
TIP:
The test run is part of the break-in operation.
Check screw
a
: 9 N·m (0.9 kgf·m, 6.6 ft·lb)
a
b