Someone correct me if I'm wrong (because I'm really new to this) but from what I've read and heard, the 4-TEC's don't need to be "winterized" per say. The closed loop cooling system engines have antifreeze already. The only winterization needed is an oil change, fuel stabilizer, replacing/adding antifreeze, running the engines for 10-15 seconds to clear it out any residual water, and general maintenance. Am I wrong?I want to run my Sportster SCIC year around. I have some warm days in between freezing temperatures. I leave the boat on a lift at Lake Ozark. The Seadoo sales guy told me that as long as my collant tests out minus 20 degrees or colder. I need not worry about winterizing anything else. Is this true?
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