GASOLINE STERNDRIVE INSTALLATION MANUAL
Page 16 of 137
90-860172011
Seawater Connections - General Information
This section covers through the hull and through the transom water inlets only. For informa-
tion on sterndrive water inlet connections, refer to the appropriate section after engine instal-
lation.
IMPORTANT: Seal the inside edges of any hole made through the hull with a suitable
sealant to prevent water absorption and deterioration.
Seawater Pickup
THROUGH THE HULL MOUNTED
Description
Where Used
Part Number
A
Marine Caulking
Mounting Surfaces
Obtain Locally
1. Seal inside edges of 1-3/4 in. (44 mm) hole in hull using a suitable sealer.
2. Apply marine caulking (sealer) to mounting surface on seawater pickup where hull
contact will occur when installed.
IMPORTANT: Seawater inlet slots must face forward - parallel with the flow of water.
3. Ensure slots in seawater pickup are facing forward (toward bow of boat) and install
seawater pickup through hull.
4. Fasten pickup with four appropriate mounting screws (if so designed).
72639
a
b
c
d
A
a -
Seawater Pickup
b -
Seawater Inlet Slots
c -
Mounting Screw Holes (If Equipped)
d -
Nut
5. Apply marine caulking as needed inside boat. Apply sealant to threads of nut and install
on pickup on inside of boat and torque nut.
Description
Where Used
Part Number
Loctite 271
Seawater Inlet Nut
92-809820
Description
Nm
lb-in.
lb-ft
Nut
42
35
NOTE: If pickup being installed does not have mounting screws on underside where
mounted to hull, be certain, after nut is torqued, that slots are still facing forward.