Sterndrive Water Pickups - MerCruiser 350 MAG Owner's Manual

Flushing Device
Dual Water Pick‑up Flush Gearcase Seal Kit

STERNDRIVE WATER PICKUPS

There are two types of water pickups available on Mercury MerCruiser sterndrives: dual
water, and side water pickups. Dual water pickups require the flushing attachment (44357Q
2) and the flush seal kit (881150K 1), and side water pickups require the flushing
attachment (44357Q 2).
Dual water pickup
NOTE: Flushing is needed only for salty, brackish, mineral laden or polluted water
applications. Flushing is recommended after each outing for best results.
Flushing the engine with the boat in the water can cause seawater to flow into the engine,
resulting in engine damage. Close the seacock before flushing the engine. Keep the
seacock closed until starting the engine.
1. On seawater cooled models: Proceed to Step 4. or Step 5.
2. On models with the sterndrive seawater inlet blocked, supply water to the sterndrive
and to the engine. See Alternative Water Pickups.
90-864195072 OCTOBER 2007
Attaches to the water intakes; provides a fresh water
connection when flushing the cooling system or operating the
engine.
9192
Blocks off the front water inlet holes on the dual water inlet
gearcases.
9194
5752
NOTICE
Section 5 - Maintenance
91‑44357Q 2
91‑881150K 1
5773
Side water pickup
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