Yamaha F50D Servise Manual - page 67
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Mounting the outboard motor
Proper mounting of the outboard motor will
mean better performance, maximum reliabil-
ity, and maximum customer satisfaction. This
chapter contains the specifications neces-
sary for the outboard motor mounting, and
may vary slightly depending on application.
When mounting the outboard motor, also
make sure the outboard motor has the clear-
ance to provide full movement, from both
PORT to STBD, as well as during trim and tilt
functions. See “Dimensions” (3-2).
1.
Set the outboard motor on the vertical
centerline of the boat transom.
å
: No strakes hull
∫
: Strakes hull
C/L: Centerline of the transom.
TIP:
Double check the measurements distance to
verify that the vertical centerline is straight.
The distance
a
and
b
are equal length.
Also,
c
and
d
are too.
2.
Adjust the outboard motor so the height
of the anti-cavitation plate
e
is equal to
or slightly above the bottom of the boat
transom.
TIP:
This mounting height information is for refer-
ence only. It is impossible to provide com-
plete instructions for every possible boat and
outboard motor combination.
3.
Adjust the scale
1
to the transom height
(H), and set it on the special service tool
2
. Secure the service tool
2
to the boat
transom by means of a screw or a vise.
TIP:
See “Dimensions” (3-2) for the distance (H).
4.
When the outboard motor mount position
has determined, mark the best suited 4
symmetrical mounting holes to the boat
transom
f
. Drill the mounting holes ver-
tically on the boat transom using 13.0
mm (0.5 in)
g
drill.
C/L
a
b
c
d
å
C/L
a
b
c
d
∫
e
Uncrate procedure / Mounting the outboard motor