Carburetor replacement

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  • Prescot
    • Jan 2026

    #1

    Carburetor replacement

    Would a '89 36mm carburetor from a gsx 750 replace a '81 43 mm set from a gs 750 work?
    are there affordable aftermarket/ replacement cv carbs for gs models besides the 1100?
  • Guest

    #2
    Originally posted by Prescot
    Would a '89 36mm carburetor from a gsx 750 replace a '81 43 mm set from a gs 750 work?
    are there affordable aftermarket/ replacement cv carbs for gs models besides the 1100?
    The 81 GS 750 had BS32mmCVs carbs not 43mms.

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    • Prescot

      #3
      Originally posted by mrbill5491
      The 81 GS 750 had BS32mmCVs carbs not 43mms.
      Okay 43mm might be the fork size, 54mm size pods.

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      • Big T
        Forum LongTimer
        Past Site Supporter
        Super Site Supporter
        • Mar 2005
        • 12391
        • West Slope, OR

        #4
        Originally posted by Prescot
        Would a '89 36mm carburetor from a gsx 750 replace a '81 43 mm set from a gs 750 work?
        are there affordable aftermarket/ replacement cv carbs for gs models besides the 1100?
        What's wrong with yours?
        1978 GS 1000 (since new)
        1979 GS 1000 (The Fridge, superbike replica project)
        1978 GS 1000 (parts)
        1981 GS 850 (anyone want a project?)
        1981 GPZ 550 (backroad screamer)
        1970 450 Mk IIID (THUMP!)
        2007 DRz 400S
        1999 ATK 490ES
        1994 DR 350SES

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        • Steve
          GS Whisperer
          • Jun 2005
          • 35924
          • southwest oHIo

          #5
          They didn't have 43mm forks, either.

          Not sure about the '81 750s, but the earlier ones had 35mm forks.

          The 1100GK had the biggest forks at 41mm.

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