GASOLINE STERNDRIVE INSTALLATION MANUAL
90-860172011 Page 11 of 137
Engine Bed
Difference Between Starboard and Port Engine Mount 22-1/2 in. (572 mm)
Mount Adjustment Up and Down (minimum) 1/4 in. (6 mm)
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 parallel and in the same plane. 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
.
Crankshaft Vertical Centerline
1. Locate and mark boat vertical centerline on transom.
71620
a
a-Vertical Centerline
2. For Dual Engines: Locate and mark crankshaft vertical centerlines “a” on transom.
22033
b
a a
c
c
a-Crankshaft Vertical Centerline
b-Minimum Distance Between Crankshaft Vertical Centerlines
c-Crankshaft Vertical Centerlines Must Be An Equal Distance From Boat Vertical
Centerline
Minimum Distance Between Crankshaft Vertical Centerlines (Dual Side-By-Side)
Model in. (mm)
181 cid / 3.0L 28 (710)
262 cid / 4.3L
305 cid / 5.0L
33 (838)
350 cid / 5.7L