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    1978 Mercury 402 troubles!

    Runs for about 5 minutes then stalls and struggles to restart, any ideas? New fuel pump, fuel line with bulb, carb rebuilt, water pump and impeller, fuel filter. Had it all tuned up as well. Don't know what else to do now. Any help would be greatly appreciated
  2. T

    Engine stalls then struggles to start

    New here and hoping to figure this dang thing out! To start, it's a 1978 2 stroke Mercury 402 40hp. I recently rebuilt the carb, new plugs and wires, new impeller, rebuilt water pump, fuel filter and new fuel line and primer bulb. After doing all this I took it out for a trip to catch some...
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