Mercury 90 Operation Maintenance Warranty Installation Manual

NOTE: For a more accurate torque reading, tighten the mounting locknuts
rather than the outboard mounting bolts.
a - 0.500 in. diameter outboard mounting bolt (4)
b - 0.875 in. flat washer (4)
c - Nylon insert locknut (4)
d - 1.500 in. flat washer (4)
e - Marine sealer – apply to the shank of the bolts, not the threads
Description Nm lb‑in. lb‑ft
Outboard mounting locknuts and
bolts – standard boat transom
75 – 55
Outboard mounting locknuts and
bolts – metal lift plates and setback
brackets
122 – 90
a
c
d
c
a
d
40952
b
e
OUTBOARD INSTALLATION
132 eng

Mercury 90 Specifications

General

Brand	Mercury
Model	90
Category	Outboard Motor
Language	English