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Winterizing a Johnson 50 hp?

technoid

New member
I need info on how to winterize my 1997 Johnson 50hp. I know about changing the lower gear oil and adding stabil to the carbs and fuel system. But Does the water jacket and pump need to be drained? Do I have to pump in RV antifeeze so any trapped water will not freeze? The winters here in PA can get well below zero.
 
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