1989 Baretta 3.7 merccruiser closed system

bcalc

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Joined
Sep 8, 2010
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2
I am trying to figure out how to winterize this engine. My concern is the sea water system. The engine block has antifreeze so that is not a concern. What is the proper procedure to drain sea water , and is it important to fill the sea water system with antifreeze or just drain it????????????????/ I am a new owner. any help would be appreciated. Also how do I fog this engine.

Mike
 
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