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Recent content by Northrupc47

  1. N

    2015 90HP Mercury 4-stroke Sputtering

    Hi all, I recently acquired a pontoon boat with a 90hp outboard. It idles perfect, but when I give it throttle, it sputters and wants to die. I have always had 2-strokes and would think fuel pump, but these motors seem a lot more complex. The boat had been sitting for well over a year. I did...
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