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Section 4 - Maintenance
5.
Remove the seawater inlet hose from the seawater pump at the location shown. Plug the hose to prevent water from
siphoning into the engine or boat.
6.
Using a suitable adapter, connect the flushing hose from the water source to the water inlet of the seawater pump.
Without sufficient cooling water, the engine, the water pump, and other components will overheat and suffer damage. Provide
a sufficient supply of water to the water inlets during operation.
7.
With the sterndrive in a normal operating position, open the water source fully.
8.
Place the remote control in the neutral idle speed position and start the engine.
Operating the engine out of the water at high speeds creates suction, which can collapse the water supply hose and overheat
the engine. Do not operate the engine above 1400 RPM out of the water and without sufficient cooling water supply.
9.
Slowly advance the throttle until the engine reaches 1300 RPM (±100 RPM).
10. Observe the water temperature gauge to ensure that the engine is operating in the normal range.
11. Operate engine with sterndrive in neutral for about 10 minutes or until discharge water is clear.
12. Slowly return the throttle to the idle speed position.
13. Stop the engine.
14. Shut off the water and remove flushing attachments.
15. If the boat is out of the water, install the water inlet hose to the aft side of the seawater pump. Tighten the hose clamp
securely.
16. If the boat is in the water, tag the ignition switch with an appropriate tag requiring the seawater inlet hose to be
reconnected prior to operating engine.
SeaCore Power Package Flushing Procedure
NOTE: Flushing is needed only for salty, brackish, mineral‑laden, or polluted water applications. Flushing is recommended after
each outing for best results.
IMPORTANT: Flushing the SeaCore power package with the boat and sterndrive in the water is less effective. Flushing the
SeaCore power package is most effective when performed with the boat and sterndrive out of the water, such as on a boat lift
or trailer.
Models Using The Sterndrive Water Pickup
IMPORTANT: The system is designed to flush the Bravo sterndrive and the engine with one water source. Do not block or
remove the inlet water hose from the sterndrive to the engine.
Page 84
Seawater inlet hose connection
NOTICE
NOTICE
33208
90-8M0113859
eng
DECEMBER 2015
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