4.3 Merc open cooling system question

Lommerse33

Cadet
Joined
Sep 8, 2009
Messages
13
I have a 1990 Rinker 185 Captiva with a Mercury 190hp 4.3L paired with an Alpha 1 drive. My question is: Is there anywhere, here or outside of iboats, that I can use to give me a better understanding of how these drivers and motors cool themselves? I'm looking for some material similar to the threads descibing in detail points ingnition systems. I think I would benefit greatly from that material. If it doesn't exist, I guess I'll research, learn, and hopefully post something worthy of "sticking" around for a while. Thanks.
 

Don S

Honorary Moderator Emeritus
Joined
Aug 31, 2004
Messages
62,321
Re: 4.3 Merc open cooling system question

There are OEM service manual links up in the Adults only sticky, the manuals have flow diagrams of the cooling systems that are pretty much self explanitor.
 
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