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  1. J

    Engine running cold

    I have a 2001 Mercury Optimax 225 3L DFI engine. I don't generally go on the lake until the water is 45 degrees or above but this year I decided to get out there early. Here's my issue. The water is 38 degrees. When I launch the boat, I start the engine and go park my truck. When I get back to...
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