82GS650GL Fuel leaking from between carbs....

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  • NYGS
    • Jan 2026
    #1

    82GS650GL Fuel leaking from between carbs....

    Hey all,

    I was almost on the road until this.
    Symptom:
    The tank was full, Bike running, fuel pouring from between carbs. I can't see exactly where the leak is coming from and cannot fit my hand under it to feel around, even with the tank removed.

    Observation:
    -When tank was 90% emptied, little or no leak at all.
    -When tank emptied, I did notice a "vacuum" type sound coming from the gas cap after stopping the motor.
    -Everything else (in view) shows no obvious damage/misalign or disconnected lines.
    -Bike hasnt run in a few months after being knocked over.

    Question:
    -Would this probably be the fuel line ?
    -Do I have to remove the carbs to adjust/reconnect the fuel line?


    Thanks for any help or suggestions.
    Last edited by Guest; 11-01-2014, 11:41 AM.
    Tags: None
    • chuck hahn
      Forum LongTimer
      Past Site Supporter
      • May 2009
      • 25918
      • Norman, Oklahoma
      #2
      Could be ripped line where it hooks to the fuel Tee. Could be stuck floats from when it was laid over. Take the tank off and hook an aux jug to the fuel line and see if the fuel line is cracked at the carbs. Also tap the bowls to see if it stops.

      When the tank is off you can also see if the leak is coming from round the tee itself...oringhs seal the tee to the bodies and they do go bad now and then. no need to remove the carbs but taking the tank off gives you a clear view. Once youve identified just where the fuels coming from let us know.
      Last edited by chuck hahn; 11-01-2014, 11:55 AM.
      MY BIKES..1977 GS 750 B, 1978 GS 1000 C (X2)
      1978 GS 1000 E, 1979 GS 1000 S, 1973 Yamaha TX 750, 1977 Kawasaki KZ 650B1, 1975 Honda GL1000 Goldwing, 1983 CB 650SC Nighthawk, 1972 Honda CB 350K4, 74 Honda CB550

      NEVER SNEAK UP ON A SLEEPING DOG..NOT EVEN YOUR OWN.


      I would rather trust my bike to a "QUACK" that KNOWS how to fix it rather than a book worm that THINKS HE KNOWS how to fix it.

        Comment

        • chuck hahn
          Forum LongTimer
          Past Site Supporter
          • May 2009
          • 25918
          • Norman, Oklahoma
          #3
          Could also be leakingb up at the petcock connection and running down the line..then dripping off the tee...so check up there too.
          MY BIKES..1977 GS 750 B, 1978 GS 1000 C (X2)
          1978 GS 1000 E, 1979 GS 1000 S, 1973 Yamaha TX 750, 1977 Kawasaki KZ 650B1, 1975 Honda GL1000 Goldwing, 1983 CB 650SC Nighthawk, 1972 Honda CB 350K4, 74 Honda CB550

          NEVER SNEAK UP ON A SLEEPING DOG..NOT EVEN YOUR OWN.


          I would rather trust my bike to a "QUACK" that KNOWS how to fix it rather than a book worm that THINKS HE KNOWS how to fix it.

            Comment

            • Guest
              #4
              The fact that it got 'knocked over' would have me suspecting float needle valves misaligned-

                Comment

                • jbird7262
                  #5
                  I was thinking "o" rings as well, or fuel coming from the over flow on top of the "T's" no vent hose.

                    Comment

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