Carb rebuild kit

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  • jpian0923
    Afourian MVP
    • Sep 2010
    • 994

    Carb rebuild kit

    Anybody know which carb rebuild kit I need for this carb. It says Zenith on the side and has an adjustable main jet.
    Attached Files
    "Jim"
    S/V "Ahoi"
    1967 Islander 29
    Harbor Island, San Diego
    2/7/67 A4 Engine Block date
  • keelcooler
    Senior Member
    • Oct 2008
    • 282

    #2
    Early steel carb with adjustable main jet and missing flame arrestor.

    Comment

    • roadnsky
      Afourian MVP
      • Dec 2008
      • 3127

      #3
      Originally posted by jpian0923 View Post
      Anybody know which carb rebuild kit I need for this carb. It says Zenith on the side and has an adjustable main jet.
      As Keel said, Early ZENITH 61 series
      Attached Files
      -Jerry

      'Lone Ranger'
      sigpic
      1978 RANGER 30

      Comment

      • jpian0923
        Afourian MVP
        • Sep 2010
        • 994

        #4
        Thank you. Flame arrestor is there hanging off bottom screw. Was checking choke function.
        "Jim"
        S/V "Ahoi"
        1967 Islander 29
        Harbor Island, San Diego
        2/7/67 A4 Engine Block date

        Comment

        • CalebD
          Afourian MVP
          • May 2007
          • 900

          #5
          gasket

          Count the number of bolts the Zenith carb uses to hold both halves together. You need to match the number of bolts so the gasket will work properly.
          Tartan 27 #328 owner born 1958
          A4 and boat are from 1967

          Comment

          • sastanley
            Afourian MVP
            • Sep 2008
            • 7030

            #6
            Caleb, it looks from the pic he has the 4 bolt carb...there is no 5th bolt above the flame arrestor if we are talking about the same thing...regardless, i am pretty sure the gasket is the same.

            i think only the very late 'late model' carbs had 5 bolts?
            -Shawn
            "Holiday" - '89 Alura 35 #109
            "Twice Around" - '77 C-30, #511 with original A-4 & MMI manifold - SOLD! (no longer a two boat owner!!)
            sigpic

            Comment

            • CalebD
              Afourian MVP
              • May 2007
              • 900

              #7
              Gaskets

              Shawn, yes, I think you are correct that his carb has the 4 bolt set up which is shown as the 'early model' carb gasket on the parts page. The 5 bolt gasket has a totally different internal shape then the 4 bolt gasket. I just looked at both of them.
              I'm not sure what other differences there are between the 'late model' kit vs. the 'early model' kit.
              Tartan 27 #328 owner born 1958
              A4 and boat are from 1967

              Comment

              • jpian0923
                Afourian MVP
                • Sep 2010
                • 994

                #8
                I thought early model also based on comparing the gaskets in online catalog with the shape of the bottom half but was not sure if that is the only measure I should use to verify. Just double checking with the pros.
                Thanks
                "Jim"
                S/V "Ahoi"
                1967 Islander 29
                Harbor Island, San Diego
                2/7/67 A4 Engine Block date

                Comment

                • sastanley
                  Afourian MVP
                  • Sep 2008
                  • 7030

                  #9
                  Caleb, thanks for bringing that up..I guess I didn't understand the question before.

                  Jim, the shape is what is important..I have a late model 4 bolt carb but I buy the late model gasket with the 5 bolt pattern.

                  From my personal experience, (there's your disclaimer), the key is to compare the gaskets with your carb shape..ignore the bolt pattern but know that the 5-hole late model gasket will work just fine with the late model 4-bolt carb as well.

                  You can always call up Ken directly in parts..he's knows this stuff and won't sell you the wrong part. it doesn't cost you anything more to deal with him directly as compared to buying it off Moyer's e-commerce site. I always prefer to run my parts list by Ken...he has not steered me wrong yet.
                  Last edited by sastanley; 02-18-2011, 10:04 PM.
                  -Shawn
                  "Holiday" - '89 Alura 35 #109
                  "Twice Around" - '77 C-30, #511 with original A-4 & MMI manifold - SOLD! (no longer a two boat owner!!)
                  sigpic

                  Comment

                  • CalebD
                    Afourian MVP
                    • May 2007
                    • 900

                    #10
                    Be careful of hybrids

                    I'd 2nd calling Ken directly. Not only does he have a mellifluous voice but he knows all the right questions to ask you so you don't order the wrong parts for your engine.
                    My engine is something of a hybrid: I have an early model engine but it has a late model Zenith carb (w/5 bolts) and uses the early model flame arrestor. I'm just sayin' that things are not always black or white.
                    I'm pretty sure if you call the MMI Parts phone # that you will be speaking to Ken.
                    Last edited by CalebD; 02-19-2011, 02:34 PM. Reason: more
                    Tartan 27 #328 owner born 1958
                    A4 and boat are from 1967

                    Comment

                    • roadnsky
                      Afourian MVP
                      • Dec 2008
                      • 3127

                      #11
                      Caleb-
                      Nice with the "mellifluous"!
                      -Jerry

                      'Lone Ranger'
                      sigpic
                      1978 RANGER 30

                      Comment

                      • CalebD
                        Afourian MVP
                        • May 2007
                        • 900

                        #12
                        Thread drift

                        Thanks Jerry re, 'mellifluous'.
                        I strive in the vocabulary department to use non-quotidian words.

                        I once had Ken on the phone and he had such a deep, and yes, mellifluous voice that I had to comment. I am reasonably sure that he told me he had done some work doing voice overs for radio or TV. His voice could make Don Pardo blush or should I say he might become roseate?

                        It is difficult to understand how all these disparate memories are stored in the crenellations of my brain but they are...

                        Big or obscure words and all, I'll still be ordering my ignition replacement gear from MMI.
                        Last edited by CalebD; 02-20-2011, 12:18 AM. Reason: spelling, of all things
                        Tartan 27 #328 owner born 1958
                        A4 and boat are from 1967

                        Comment

                        • jpian0923
                          Afourian MVP
                          • Sep 2010
                          • 994

                          #13
                          Can I just take it apart and compare to online catalog? I'm just trying to keep it simple, no big words here.
                          "Jim"
                          S/V "Ahoi"
                          1967 Islander 29
                          Harbor Island, San Diego
                          2/7/67 A4 Engine Block date

                          Comment

                          • jpian0923
                            Afourian MVP
                            • Sep 2010
                            • 994

                            #14
                            By the way, I'm not ready to call or order yet. Just got the head off and I probably haven't broken everything I'm gonna need to replace yet so I'll hold off til I have a more complete list.
                            "Jim"
                            S/V "Ahoi"
                            1967 Islander 29
                            Harbor Island, San Diego
                            2/7/67 A4 Engine Block date

                            Comment

                            • hanleyclifford
                              Afourian MVP
                              • Mar 2010
                              • 6994

                              #15
                              Battlements of the Mind

                              Crenellations?? - Jerry, I think we may have a new contest making up here.

                              Comment

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