1948 Evinrude Sportwin 4423 Revisited

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  • April 25, 2015 at 1:13 pm #14714
    Buccaneer
    Participant

      US Member

      Dang….. wish you wouldn’t have said that Mumbles…… I’ve been
      known to blow carb parts across the garage, never to be seen again.
      Air hose nozzle has a hair trigger! Guess the only way I’ll know is to
      take it apart. Thanks, Bucc

      Prepare to be boarded!

      April 25, 2015 at 5:11 pm #14742
      garry-in-michigan
      Participant

        Lifetime Member

        In that case, the needle valve would screw in so far you could’t put the knob on.

        April 25, 2015 at 5:45 pm #14745
        Buccaneer
        Participant

          US Member

          Garry, I just took the carb off and confirmed that the venturi and
          needle seat are in place. The needle seat is in the hole about 1-1/2".
          Too far down the rabbit hole to tell if it’s damaged.
          How was it extracted? It’s a blind hole, so there’s no driving it out
          from the back side. I replaced the hardened rubber seal on the adj. needle
          with some O-rings, and wrapped some thread on the needle threads
          as the needle was a little loose in the hole.
          Also verified that the slower the speed selected, the further the
          air shutter is opened. Not much else I can do without new parts.
          Got Irgie’s phone number? 🙂
          P.S.- Will report back after the test run!

          Prepare to be boarded!

          April 25, 2015 at 11:28 pm #14765
          Buccaneer
          Participant

            US Member

            I’m no further ahead now than before. Runs at higher speeds, but
            will often instantly flood out when trying to slow it down.
            I removed the spring steel retainer on the air shutter so I could
            manually operate it. At fast speed, it seemed to run better
            with the shutter partially closed, but if you go a little too far,
            instantly floods. Tried slower speeds with the shutter open,
            but still flooded out.
            Going to put this Evinrude on the back burner.

            Prepare to be boarded!

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