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Mercury MERCRUISER Owner's Manual

Mercury MERCRUISER
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Section 6 - Storage
Page 122 90-899883295 JUNE 2008
Draining the Seawater System
!
CAUTION
Water can enter the bilge when the drain system is open, damaging the engine or causing
the boat to sink. Remove the boat from the water or close the seacock, disconnect and
plug the seawater inlet hose, and ensure the bilge pump is operational before draining.
Do not operate the engine with the drain system open.
IMPORTANT: Only drain the seawater section of the closed cooling system.
IMPORTANT: The boat must be as level as possible to ensure complete draining of the
cooling system.
Your power package is equipped with a drain system. Refer to Drain System
Identification to determine which instructions apply to your power package.
IMPORTANT: The engine must not be operating at any point during the draining procedure.
Drain System Identification
AIR ACTUATED SINGLE POINT DRAIN SYSTEM
b
c
a
8294
a - Actuator fitting
b - Green indicators
c - Manual release valve
a
b
17254
a - Port side drain location b - Starboard side drain location

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Mercury MERCRUISER Specifications

General IconGeneral
Number of Cylinders4, 6, 8
Engine TypeInboard/Outboard (Sterndrive)
Fuel TypeGasoline
AspirationNaturally Aspirated
Cooling SystemWater Cooled
WeightVaries by model
Cylinder ConfigurationInline
Displacement Range3.0L-8.2L

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