GASOLINE ENGINES BRAVO MODELS
Page 10 of 116
Installation Requirements
Boat Construction
TRANSOM THICKNESS AND SURFACE
IMPORTANT: Transom thickness and surface plane (flatness) must be controlled
where the sterndrive unit mounts.
Transom thickness and surface must conform to the following:
Transom Specifications
Thickness Between 2 - 2-1/4 in. (51 - 57 mm)
Parallelism Inner and outer surfaces must be parallel within 1/8 in. (3 mm)
Flatness Transom surfaces in area where transom assembly will be
mounted (includes vertical as well as horizontal dimensions):
Inner Surface – Flat within1/8 in. (3 mm)
Outer Surface – Flat within1/16 in. (2 mm)
Angle 10-16 Degrees
22170
c
a
b
e
d d
72700
a-Transom Thickness
b-Inner Surface
c-Outer Surface
d-Transom Plate Coverage
e-Transom Angle
ENGINE BED
Engine bed must position engine so that a minimum of 1/4 in. (6mm) up and down
adjustment still exists on mounts after performing final engine alignment. This is necessary
to allow for realigning engine in the future.
NOTE: Although the engine mounts allow some adjustment, it is a good practice to ensure
that the front and rear mount locations in the vessel are in parallel planes. This may be
checked by tying a string from the left front mount location to the right rear mount location
and another from right front to left rear. The strings should touch where they cross
.
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