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    1985 Merc 115 "Tower of Power" only has spark on one cylinder

    I recently acquired a 1985 Merc 115 to replace my old, dead 70hp Johnson. The motor had been sitting for at least 12 years, but looked very clean, it wasn't even dirty or greasy, and it had the original spark plugs in it. I rebuilt the carbs and replaced every fuel line and the spark plugs and...
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    Firing on one cylinder....Coils or power pack?

    I have been chasing issues on my '79 70hp Johnson for a year now. I started with a fuel pump rebuild, then a new fuel line and primer bulb, rebuild of all 3 carbs. Still doing the same thing. Seems to start up and idle alright, when you throttle up it bogs down and the boat will top out at 6...
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    Help with reassembly of Fuel Pump #438559?

    Hello all, first post on here. I have a '79 Johnson 70hp and I recently took apart the fuel pump to rebuild with new gaskets, etc. When I took it apart I wasn't thinking and didn't take care to look at where all of the little caps, springs, etc go. I know where the small plastic piece goes with...
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