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Pilot Jet Incorrect?

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    Pilot Jet Incorrect?

    Hello all!

    Currently tearing down and rebuilding the carbs for my '78 GS550. My pilot jet doesn't match the one in BassCliffs rebuild guide and I'm just curious if a PO swapped them or if the VM22's had different setups for different engine displacements. Thanks y'all!
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    1978 GS550

    #2
    This may help? IIRC, I think I found this on the bikecliff site?
    Suzuki Carb Specs.jpg
    Ron
    When I die, just cremate me and put me in my GS tank. That way I can go through these carbs, one more time!https://www.thegsresources.com/_forum/core/images/smilies/cool.png
    1978 GS750E - November 2017 BOTM
    1978 GS1000C - May 2021 BOTM
    1982 GS1100E - April 2024 BOTM
    1999 Honda GL1500SE

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      #3
      VM carbs take the tall pilot jets.

      Edit: I take this back. Go to eBay and search "GS550 carburetors", toggle used, then look at photos. The pilot jet is flush with the top of the carb passage.
      Last edited by Nessism; 09-27-2023, 07:57 PM.
      Ed

      To measure is to know.

      Mikuni O-ring Kits For Sale...https://www.thegsresources.com/_foru...ts#post1703182

      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

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        #4
        If needed, I can open up a set of VM 22's I have at home and verify.

        Please advise
        Current:
        1993 ZX11 - 2nd build in progress
        1977 GS750 (710 is getting closer)
        1998 Kawasaki Voyager - selling
        1998 Chevy C2500
        1999 Rav4

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          #5
          image.png

          I'm 98% sure that the VMs in question should have these. I don't think the longer external pilot jets are interchangeable with these? The Suzuki part no. is 09492-15007, and the size is # 15
          Last edited by KiwiAlfa156; 09-28-2023, 06:02 PM.


          "Johnny the boy has done it again... This time its a scrubber"
          Dazza from Kiwiland
          GSX1100SXZ, GSX750SZ, GS650GZ All Katanas, all 1982

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            #6
            Thanks for the responses! I'll stick with what's in there just wanted to double check. The one I have appears stock at size 15.
            1978 GS550

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