winterizing fresh water cooled, in-water

david leonard

Member
Jul 11, 2018
71
Boat Info
1989 Sea Ray Sundancer 300, Raymarine C120
Engines
2 (lord help me) 5.7 Mercs
Hi, everyone. I did try searching on this, but came up empty.

I am hoping to do my own winterization, this year. I have done it before, a long while ago, on a 5.0 merc. but now, i have this relative behemoth, with fresh water cooling. I hope to leave it in the water, this winter (marina offers bubbling, etc.). i get the fogging oil, the potable water and the AC, but I'm not sure of the best way to do this, and protect the stern drives, too.

Anyone?
David
 

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