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  1. J

    Dumb newbie question

    I was riding with a friend in his 16' flat bottom alum. john boat with a 40 horse merc outboard. The boat and motor run great up until 3/4 throttle. From 3/4 to wot the rpms go up but no increase in speed. Is this normal for this set up? I have no experience with outboards so I am no help to my...
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