1953 Mercury KG7

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  • April 19, 2025 at 12:12 pm #295608
    mark24
    Participant

      US Member

      Hi, I run this motor on a Hydroplane. Last year I had trouble planing off… Seemed like a carberation problem. I took the carb off to clean it and… Does the intake look right? Not lined up with the carb opening. And what is this hole on the right side of the block?

      April 19, 2025 at 2:03 pm #295613
      dave-bernard
      Participant

        US Member

        The hole is for a short bolt that holds the red block. without the bolt it WILL leak air.

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        mark24
        April 19, 2025 at 7:48 pm #295636
        Johnson RD
        Participant

          US Member

          Reed block assembly is not located correctly. I doubt if the bolt that holds the reed block can be installed with the reed block out of alignment.

          When I go inside one of these I make a witness mark to keep the reed block located during assembly. this is from memory as I’ve not played with these in years.

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          mark24
          April 19, 2025 at 8:00 pm #295637
          mark24
          Participant

            US Member
            Johnson RD wrote:

            Reed block assembly is not located correctly. I doubt if the bolt that holds the reed block can be installed with the reed block out of alignment.

            When I go inside one of these I make a witness mark to keep the reed block located during assembly. this is from memory as I’ve not played with these in years.

            I thought I remembered the reed block more lined up. I agree it also looks like without that bolt it would leak air. Will I need to completely disassemble the crank case or might I be able to realign and find a bolt from the carb opening?

            April 19, 2025 at 8:07 pm #295638
            mark24
            Participant

              US Member

              Hey look… In 2013 there was a reed block locator bolt installed….

              April 19, 2025 at 9:31 pm #295640
              dave-bernard
              Participant

                US Member

                Try heat around the block and maybe tap with wood dowl thru the carb hole. Just a MAYBE.

                Good Luck

                April 20, 2025 at 2:55 pm #295672
                mark24
                Participant

                  US Member

                  Thank you Dave, excellent advice. Has not worked yet, I see how it is supposed to be… Just won’t budge even with some heat and the dowel idea. Will try again later.

                  April 20, 2025 at 4:17 pm #295673
                  dave-bernard
                  Participant

                    US Member

                    They are pressed in.

                    April 20, 2025 at 6:56 pm #295674
                    mark24
                    Participant

                      US Member

                      From the top?… Uh oh… This could be a project.

                      April 20, 2025 at 7:01 pm #295675
                      mark24
                      Participant

                        US Member

                        Or from the bottom that also would require work and skill.

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