Carb sync

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  • Kjrutter61
    Forum Newbie
    • Sep 2024
    • 8
    • Newcastle uk

    #1

    Carb sync

    Hi everyone I'm having trouble syncing carbs gs1000 EC I'm using carbtune pro new inlet stubs and o rings carbs rebuilt new o rings cleaned pretty sure there's no vacuum leaks I can get 1-2 and 4 perfect but 3 is lower when I try and bring 3 into line the others start going off sync I know 3 carb has vacuum to the fuel tap should I have this plugged while doing the sync it's driving me mad thanks for any help in advance.
  • tom203
    Forum Guru
    Past Site Supporter
    • Aug 2010
    • 8925
    • Norway,Maine

    #2
    Move this into the carb ,fuel …section and folks will jump in with answers. State year of bike too!

    edit: have you adjusted the valves ?
    Last edited by tom203; 11-26-2024, 11:13 AM.
    1981 gs650L

    "We are all born ignorant, but you have to work hard to stay stupid" Ben Franklin

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    • Kjrutter61
      Forum Newbie
      • Sep 2024
      • 8
      • Newcastle uk

      #3
      Ok will do thanks

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