Determining Recommended Outboard Mounting Height; Drilling Outboard Mounting Holes - Mercury 150 Manual

OUTBOARD INSTALLATION

Determining Recommended Outboard Mounting Height

e
a - The solid line is recommended to
determine the outboard mounting
height.
b - The broken lines represent the
extremes of known successful
outboard mounting height dimensions.
c - This line may be preferred to
determine outboard mounting height
dimension, if maximum speed is the
only objective.

Drilling Outboard Mounting Holes

IMPORTANT: Before drilling any mounting holes, carefully read Determining Recommended Outboard
Mounting Height and install outboard to the nearest recommended mounting height.
63.5 cm
(25 in.)
60.9 cm
(24 in.)
e
58.4 cm
(23 in.)
56.0 cm
(22 in.)
53.3 cm
(21 in.)
50.8 cm
(20 in.)
48.2 cm
(19 in.)
10
20
59
c
a
30 40 50
f
d - This line may be preferred to determine
outboard mounting height dimension for
dual outboard installation.
e - Outboard mounting height (height of
outboard mounting brackets from bottom
of boat transom). For heights over
56.0 cm (22 in.), a propeller that is
designed for surfacing operation is
usually preferred.
f - Maximum boat speed (MPH) anticipated
b
d
60 70 80
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