Part number info

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  • Shel
    • Feb 2026

    #1

    Part number info

    I'm working on a 81 GS550L. rust filled tank, rust filled carbs.
    3 of the air/fuel mixture (pilot) screws came out with the use of a little heat but one already had the screwdriver slot buggered up so I had to drill it out and use a screw extractor and a lot of heat to get it out.
    I'm ready to reassemble the carbs but can't seem to find a part number for the mixture screw. Any help would be appreciated or if someone has an extra they'd like to sell that would be great too.
    Thanks, Sheldon
    BTW, the parts catalog list an X and Z model, how do I know which one I have?
  • Nessism
    Forum LongTimer
    GSResource Superstar
    Past Site Supporter
    Super Site Supporter
    • Mar 2006
    • 35790
    • Torrance, CA

    #2
    X = 1981

    Wanted to Buy forum for the part.
    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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