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    1991 evinrude 48 spl surging

    My motor is surging only when the motor gets hot, or warmed up. The motor runs great until then. I have rebuilt both carbs., and there is no fuel problem that I can tell. The spark plugs are new. The ignition coil is the original but doesn't have any cracks. The spark plug wires are in pretty...
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    1991 48 spl red valve?

    I need help! I'm a first time boat owner, and I have a question about a red valve that is mounted on the side of the motor near the carb. Should the valve be vertical or horizontal. I read in some other forums that it should be horizontal, but my motor will only run with it pointing vertically...
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