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    1985 Mercury 75 hp fuel problem

    Hey guys, I am running into some difficulties on my outboard. I believe its fuel related because it runs a few seconds from the starter fluid. I rebuilt the small fuel pump on the engine and I'm getting fuel to the carb bowls. I removed the carbs a few days ago and couldn't find anything...
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    1985 Mercury 75hp ignition issue

    Hey all, I recently replaced my ignition switch due to the plastic housing cracking. After installing the same 6 pin ignition from Mercury, with the same wire colors, i cant get the engine to turn over. Wire Colors from Throttle Control: (2) Purple (2) Red ** Dual colored wires are on a single...
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    Engine ground question

    Hey guys, I was having some problems finding a ground on my boat. What I did was I connected one end of my multimeter to the negative of one of my batteries and touched around on the boat and found continuity on the engine block. That's what I was expecting. After that I had realized that I had...
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    Starting issue

    Hey guys, i have a 1974 42' Hatteras that has a upper and lower helm. Im having problems turning on and shutting off my motors from the upper helm. Usually i have to go to the lower helm, turn on both keys, go back to the top and start the motors. Then when i want to turn them off i have to turn...
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    Series or parallel?

    Hey guys, I recently picked up a 1976 42' Hatteras. It has twin 903 Cummins diesel engines. In her battery bank there are two big batteries (unsure what kind). They are wired in parallel, but im not sure if wiring them in series would be better. Thanks for the help, Charlie
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    Cummins 903 smoking

    Hey guys, Im having a problem with my twin 903 Cummins in my 1976 42' Hatteras. The starboard engine barely spits out any smoke where as the port smokes a lot. I replaced the turbo on the port motor and it didn't help. Could it be injectors? Thanks for the help in advance.
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    1976 42' Hatteras

    Hey guys, is there a website out there that has info on this boat? I have some questions about the electrical system and wanted to know if this is the way it came stock or not. I have searched and have found nothing. Thanks guys
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