1981 gs450 carb sync question

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  • MAdams450
    • Feb 2026

    #1

    1981 gs450 carb sync question

    I don't have a carb synchronizer tool yet. I was wondering if it's possible to sync the carbs by ear. (turn adjuster and set for max rpm and/or smoothest sounding idle). I have never tried it this way and was curious if I am asking for trouble. Thanks in advance for any ideas.
  • Guest

    #2
    Many years ago I did mine by ear and it ran much better afterwards, however I can't really comment on whether it was better or worse mechanically as I had no idea what I was doing...

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    • castlekin

      #3
      build one, kcorbin and I did and it helped( along with Steve's advice, Thanks Steve). real easy and cheap.

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      • Guest

        #4
        Good point Castlekin, I probably should've said this time around I'm going to make one because I have your thread subscribed to and saved ready for that time...

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        • earlfor
          Forum LongTimer
          Charter Member
          GSResource Superstar
          Past Site Supporter
          • May 2002
          • 42413
          • off grid cabin 1/24/26 7pm

          #5
          MY GS 450 was to noisy to try to balance the carbs by ear. I had much better luck putting my hands over both exhaust pipes. One's sense of feel of pressure differential and temperature is much more accurate than hearing.

          Earl
          Komorebi-The light filtering through the trees.

          I would rather sit on a pumpkin and have it all to myself than be crowded on a velvet cushion. H.D.T.

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