Mercury 200 OptiMax Jet Drive, Service Manual, Page: 74 / 391

Jet Installation
90-8M0050731 MAY 2011 Page 1D-31
2. Select the mounting location for the through‑the‑hull fitting as follows:
a - Transom (top view)
b - Mounting zones
c - 50 mm (2 in.) minimum
d - Waterline
e - Transom (back view)
• The through‑the‑hull fitting must be mounted in either side of the transom within the mounting zones "b."
• The through‑the‑hull fitting must be located at a minimum of 50 mm (2 in.) above the waterline when the boat is fully
loaded.
• The water bypass hose must slope down towards the through‑the‑hull fitting at a minimum rate of 25 mm (1 in.) drop
per 30 mm (12 in.) of hose.
• The through‑the‑hull fitting should be positioned, so the water spray will be pointed downward.
3. After the location has been selected for the through‑the‑hull fitting, drill a 14.3 mm (9/16 in.) diameter hole.
4. Apply Marine Sealer to the entire length of threads and under the head of the through‑the‑hull fitting. Fasten the fitting into
the transom with the brass nut provided.
a - Through‑the‑hull fitting
b - Brass nut
c - Marine Sealer
Tube Ref No. Description Where Used Part No.
151
Marine Sealer Through-the-hull fitting (threads and under the head) 92-858080K01
5. Connect a water bypass hose (not provided) to the fitting on the engine. Secure the connection with a hose clamp.
6. Connect the water bypass hose to the through‑the‑hull fitting with the hose clamp provided.
5638
a
b
b
e
d
c
5660
b
a
C