Mercury 200 Verado FourStroke Operation And Maintenance Manual page 122

REQUIRED MOUNTING INSTALLATION 200–350 HP
The outboard must be secured to the boat transom with the four 12.7 mm
(1/2 in.) diameter mounting screws, locknuts, and washers provided. Install two
screws through the upper set of mounting holes and two screws through the
lower set of mounting slots.
RECOMMENDED MOUNTING INSTALLATION 300–350 HP
The outboard should be secured to the boat transom with the six 12.7 mm
(1/2 in.) diameter mounting screws with two nuts on each screw. The two top
screws must have one vacant transom mounting bracket hole between the
screws. Only one locknut per screw is allowed.
a b
INSTALLATION INFORMATION
a -
b -
c -
c
57973
28923
Locknut
Nut
Vacant transom mounting bracket hole
112
eng