Mercury 225 Manual page 131

NOTE: For more accurate torque, tighten the mounting locknuts
rather than the outboard mounting bolts.
d
a
c
d
a - 1/2 in. diameter outboard mounting bolt (4)
b - 7/8 in. flat washer (4)
c - Nylon insert locknut (4)
d - 1‑1/2 in. flat washer (4)
e - Marine sealer ‑ apply to the shank of the bolts, not the
threads
Description
Outboard mounting locknuts and
bolts ‑ standard boat transom
Outboard mounting locknuts and
bolts ‑ metal lift plates and setback
brackets
eng
OUTBOARD INSTALLATION
c
b
a
Nm
75
122
119
40952
lb‑in. lb‑ft
55
90