Number 3 Plug Very Rich

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  • 081DBX64
    Forum Newbie
    • Jul 2018
    • 18
    • Dubuque, Iowa

    #1

    Number 3 Plug Very Rich

    OK This has seemed to have just started. From time to time the bike sputters a bit. I took my plugs off and noticed cylinder 3 look like they are running very rich. The beginning of summer they were all good. Any ideas or thoughts on what is wrong.

    Here are the pics



    Ok 1980 GS550E. Valves were set 1000 miles ago. Carbs were rebuilt 3000 miles ago. Followed all procedures and replaced all boots and any rubber parts in the intake system.
    Last edited by 081DBX64; 07-13-2020, 04:36 PM.
  • 1978GS750E
    Forum Sage
    Past Site Supporter
    Super Site Supporter
    • Apr 2016
    • 1242
    • Lexington, KY

    #2
    Put your bike year and model in your signature, so we don't have to guess what bike you have! You will get better responses if we know that info.
    Ron
    '78 GS1000E, '79 GS850G, '82 GS1100E, 2022 Triumph Tiger 660 Sport

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    • tom203
      Forum Guru
      Past Site Supporter
      • Aug 2010
      • 8925
      • Norway,Maine

      #3
      To clarify......sitting on bike, #1 plug is extreme left..under clutch lever
      1981 gs650L

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

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