Mercury 80 - Fastening the Outboard to the Transom

OUTBOARD INSTALLATION
69
Transom Drilling Fixture 91-98234A2
5489
Aids in engine installation by acting as
a template for engine mounting holes.
2. Drill four 13.5 mm (17/32 in.) mounting holes.
3973
Fastening the Outboard to the Transom
MOUNTING BOLTS
Outboard Transom Mounting Hardware - Supplied with Outboard
Part Number Part Name Description
10-67755-1 Transom bolt 1/2-20 x 4.50 in. long (2.25 in. thread)
11-826711-17 Nylon insert locknut 1/2-20
12-28421 Washer - Inner 0.516 in. ID x 1.50 in. OD
12-54012 Washer - Outer 0.53 in. ID x 0.87 in. OD
Available Transom Mounting Bolts
Part Number Part Name Description
10-67755005 Transom bolt 1/2-20 x 2.50 in. long (1.25 in. thread)
10-67755006 Transom bolt 1/2-20 x 3.50 in. long (1.25 in. thread)
10-814259 Transom bolt 1/2-20 x 4.00 in. long (2.25 in. thread)
10-67755-1 Transom bolt 1/2-20 x 4.50 in. long (2.25 in. thread)
10-67755-2 Transom bolt 1/2-20 x 6.50 in. long (2.75 in. thread)