Johnson 57 3hp runs on only bottom cy

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  • October 3, 2019 at 2:12 pm #184568
    scubachuck
    Participant

      Replaced all electrical has good spark on top cy but top of piston is dry

      October 3, 2019 at 3:29 pm #184573
      garry-in-michigan
      Participant

        How is the compression? Exhaust ports blocked on top cy/inder?Broken or misaligned reed valve on top cylinder? Hole in crankcase on op cylinder?

        October 3, 2019 at 4:47 pm #184576
        scubachuck
        Participant

          compression 60 both cylinders
          Does each cylinder have it own reed ?
          If i put a little gas in the spark plug hole i can get it to fire

          October 3, 2019 at 9:32 pm #184607
          frankr
          Participant

            Yes, each cylinder has it’s own reed

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