Mercury 90 Operation Maintenance Warranty Installation Manual

2.
Fasten outboard to the transom at this height. Refer to Fastening the
Outboard.
22403
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.
1. Mark four mounting holes on the transom using the transom drilling
fixture.
a - Drill guide holes
b - Transom drilling fixture
c - Transom centerline
2757
a
a
b
c
OUTBOARD INSTALLATION
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Mercury 90 Specifications

General

Brand	Mercury
Model	90
Category	Outboard Motor
Language	English