
75/90/115 OPTIMAX
Page 7 of 18
Installing Outboard
1. Use transom drilling fixture (91-98234A2) or attach (tape) engine mounting template (lo-
cated in this manual) to boat transom.
2. Mark and drill four 17/32 in. (13.5mm) mounting holes.
3. Refer to “Determining Recommended Outboard Motor Mounting Height,” preceding and
install outboard to the nearest recommended mounting height.
4. Fasten outboard with provided mounting hardware shown.
c
a
b
d
e
a -
1/2 in. Diameter Bolts (4)
b -
Flat Washers(4)
c -
Locknuts (4)
d -
Flat Washers (4)
e -
Marine Sealer - Apply to Shanks
of Bolts, Not Threads