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Mercury 4.3 MPI SeaCore User Manual

Mercury 4.3 MPI SeaCore
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Section 4 - Maintenance
90-8M0113859 eng DECEMBER 2015 Page 85
NOTE: Engines with the sterndrive water inlet blocked off at the gimbal housing: Refer to
Alternative Water Pickups
.
!
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.
IMPORTANT: Do not allow the engine to pull air or seawater from alternative water pickup sources during the flushing
procedure. If equipped, ensure that all alternative water inlet hoses are plugged at both ends.
1. Remove the boat from the water.
2. Close the seacock, if equipped.
For visual clarity, the seacock shown is not installed
a - Hose fitting to engine
b - Seacock
c - Handle (closed position)
d - To water source pickup attachment
3. If equipped with an alternative water pickup and not equipped with a seacock, disconnect the water hose from the
alternative water pickup and plug both ends, excluding the Bravo sterndrive.
4. Ensure that the inlet water hose from the sterndrive to the engine is connected.
5. Remove the quick‑connect fitting from the parts bag supplied with the engine.
6. Attach the quick‑connect fitting to a water hose.
a - Quick‑connect fitting (water hose end)
b - Water hose
7. Snap the quick‑connect fitting with the water hose into the flush socket on the engine.
a - Water hose
b - Quick‑connect fitting (water hose end)
c - Flush socket
8. Open the water source of the water hose to a full flow.
9. Allow the water to flush the sterndrive for 30 seconds.
a
c
b
d
18510
18487
a
b
a
b
c
18489

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Mercury 4.3 MPI SeaCore Specifications

General IconGeneral
BrandMercury
Model4.3 MPI SeaCore
CategoryEngine
LanguageEnglish

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