1980 gs1000 factory jet sizes?

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  • jmlcolorado
    • Feb 2026

    #1

    1980 gs1000 factory jet sizes?

    Hey guys,

    Looking for the factory jet sizes for my 1980 GS 1000 G.

    The specs are not in the sticky "factory carb specs"

    Thanks a bunch.

    Josh
  • Nessism
    Forum LongTimer
    GSResource Superstar
    Past Site Supporter
    Super Site Supporter
    • Mar 2006
    • 35788
    • Torrance, CA

    #2
    What does the service manual say? You can download the service manual for free from Basscliffs site in case you didn't know. http://members.dslextreme.com/users/bikecliff/
    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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    • jmlcolorado

      #3
      Thanks, that helps aa ton. Im going to assume the gs1000T has the same specs as the G model.
      The 80 1000 service model is for 79 or older so different carbs. Although, the supplement manual shows the 1000 T specs which i think are correct.

      Comment

      • salty_monk
        Forum LongTimer
        GSResource Superstar
        Past Site Supporter
        Super Site Supporter
        • Oct 2006
        • 14001
        • London, UK to Redondo Beach, California

        #4
        115 mains, 40 pilot. 180 air jet.
        needle is something like a 50dr. canadian models had same needle but with adjuster notches with 42 pilot & 160 air jet.

        I have some of that stuff around if you're in need.

        Dan
        1980 GS1000G - Sold
        1978 GS1000E - Finished!
        1980 GS550E - Fixed & given to a friend
        1983 GS750ES Special - Sold
        2009 KLR 650 - Sold - gone to TX!
        1982 GS1100G - Rebuilt and finished. - Sold
        2009 TE610 - Dual Sporting around dreaming of Dakar..... - FOR SALE!

        www.parasiticsanalytics.com

        TWINPOT BRAKE UPGRADE LINKY: http://www.thegsresources.com/_forum...e-on-78-Skunk/

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        • jmlcolorado

          #5
          excelent!

          That pilot was the one i was lookin for.

          Im having a hard time getting this thing to idle right so i was going to pull my 42.5 pilots and reinstall stockers.

          Im running different mains for my pods and my mid and full throttle are damn near there.

          Comment

          • BassCliff

            #6
            Hi,

            There's a carb spec sticky at the top of the Tech Section. There's also a spreadsheet available with all of the numbers. I have a copy on my site in one of the carb sections.


            Thank you for your indulgence,

            BassCliff

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            • jmlcolorado

              #7
              I was looking on the Carb Sticky and the spreadsheet as well and the closest i could find was for an 81.

              Maybe i didnt look hard enough.

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