Float height measurement

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  • POULSEN
    Forum Apprentice
    Past Site Supporter
    • Feb 2006
    • 49
    • Denmark

    #1

    Float height measurement

    I am rebuilding my carbs (GS 550 '77 VM22).
    Everything went smoothly until I started to read.

    How do I measure the float height?

    The VM Carb Rebuild Papers says: "Adjust the float height to xx mm by measuring.....when the tab on the float just touches the needle"

    Haynes says:"The floats should be in the closed position when the measurement is taken".

    Clymer and the Suzuki Service Manual just says: "measure"

    I'm confused What is right?

    BR
    Stig
    77 GS550B
  • Nessism
    Forum LongTimer
    GSResource Superstar
    Past Site Supporter
    Super Site Supporter
    • Mar 2006
    • 35789
    • Torrance, CA

    #2
    Originally posted by POULSEN
    I am rebuilding my carbs (GS 550 '77 VM22).
    Everything went smoothly until I started to read.

    How do I measure the float height?

    The VM Carb Rebuild Papers says: "Adjust the float height to xx mm by measuring.....when the tab on the float just touches the needle"

    Haynes says:"The floats should be in the closed position when the measurement is taken".

    Clymer and the Suzuki Service Manual just says: "measure"

    I'm confused What is right?

    BR
    Stig

    This is right... "Adjust the float height to xx mm by measuring.....when the tab on the float just touches the needle"

    The reason for this technique is that the needle spring sometimes compresses slightly under the weight of the float thus you need to hold it up.
    Ed

    To measure is to know.

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    Top Newbie Mistakes thread...http://www.thegsresources.com/_forum...d.php?t=171846

    Carb rebuild tutorial...https://gsarchive.bwringer.com/mtsac...d_Tutorial.pdf

    KZ750E Rebuild Thread...http://www.thegsresources.com/_forum...0-Resurrection

    Comment

    • tkent02
      Forum LongTimer
      Past Site Supporter
      • Jan 2006
      • 35571
      • Near South Park

      #3
      Turn the carb to the angle where the float is hanging straight down, then turn it a little more until the valve just closes. Measure the float height with the carb held at this angle. This way a wimpy spring won't effect your measurement.
      http://img.photobucket.com/albums/v5...tatesMap-1.jpg

      Life is too short to ride an L.

      Comment

      • sharpy

        #4
        Dont forget the remove the gasket from ure measureing surface as well

        Comment

        • BassCliff

          #5
          Hi Mr. POULSEN,

          As Mr. tkent02 suggests, you may not be able to measure the float height with the carbs straight upside down as in the pictures in the link below. But this should give you an idea of what you are measuring. A link from my site:

          Carb Specs-Float Height-Jetting


          Thank you for your indulgence,

          BassCliff

          Comment

          • POULSEN
            Forum Apprentice
            Past Site Supporter
            • Feb 2006
            • 49
            • Denmark

            #6
            Thanks to all of you for your help. It is much appreciated
            I'll get back to assembling the 324 parts:



            but it is more fun, if you know you are doing it right.

            BR
            Stig
            77 GS550B

            Comment

            • BassCliff

              #7
              Originally posted by POULSEN
              I'll get back to assembling the 324 parts
              You counted them all?

              Thats a very nice work area. Is that an old tablecloth? I think the grid would help me stay organized.


              Thank you for your indulgence,

              BassCliff

              Comment

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