Section 5 - Maintenance
90-899883295 JUNE 2008 Page 109
STERNDRIVE WATER PICKUPS
There are three types of water pickups available on Mercury MerCruiser sterndrives: low
water, dual water, and side pickups. Dual water pickups require the flushing attachment
(44357Q 2) and the flush seal kit (881150K 1), low water pickups require the flushing
attachment (849996T 1), and side pickups require the flushing attachment (44357Q 2).
5752
5771
5773
Dual Water Pickup Low Water Pickup Side Pickup
The Boat out of the Water—Bravo Sterndrive
IMPORTANT: Flushing the power package is most effective when performed with the boat
and sterndrive out of the water.
IMPORTANT: Flushing is needed if the engine package has been operated in saltwater,
brackish water, mineral‑laden water, or polluted water. For best results, flushing is
recommended after each outing and before cold weather and extended storage.
1. Lower the sterndrive to full down/in position.
!
WARNING
Rotating propellers can cause serious injury or death. Never operate the boat out of the
water with a propeller installed. Before installing or removing a propeller, place the drive
unit in neutral and engage the lanyard stop switch to prevent the engine from starting.
Place a block of wood between the propeller blade and the anti‑ventilation plate.
2. Remove the propeller. Refer to the appropriate Mercury MerCruiser sterndrive service
manual.
3. Install the appropriate flushing attachment over the water inlet holes in the gear
housing.
4. Connect the water supply hose to the water source.
NOTICE
Flushing the engine when it is not operating will result in water collecting in the exhaust
system, damaging the engine. Do not supply flush water for more than 15 seconds without
the engine operating.
5. With the sterndrive in the normal operating position, completely open the water source
to provide maximum water supply.
6. Place the remote control in the neutral idle speed position.
7. Immediately start the engine.
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