Sterndrive Water Pickups - MerCruiser Sterndrive 4.3 MPI User 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 pickups. Dual water pickups require the flushing attachment (44357Q 2)
and the flush seal kit (881150K 1), and side 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.
If flushing the engine with the boat in the water, seawater can flow into the engine causing
damage. The water inlet must be closed when flushing the engine.
1. On seawater cooled models: Proceed to Step 4. or Step 5.
2. On Alpha closed cooled models with the sterndrive seawater inlet blocked:
Flushing water will need to be supplied to the sterndrive and to the engine. See
Alternative Water Pickups.
90-864195061 NOVEMBER 2006
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
CAUTION
!
Section 5 - Maintenance
91‑44357Q 2
91‑881150K 1
5773
Side Pickup
Page 105