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    #1

    Gas tank vent tube leak

    OK guys,here's the story.A while back everybody was superhelpful with fixing my carb/petcock issue.Got a new oem petcock from suzuki,cleaned carbs,drained and changed oil(gas got in it),put it all back together today and she ran like a champ EXCEPT the vent tube still drips gas.Seems like an easy fix, considering all the work I've done so far,took it apart a while ago, I mean do you really need the vent ,can I seal it? is it that weird lookin rubber seal or does the whole shabang have to be replaced? the garage is smellin like gas again and the ball and chain won't let up.any advice greatly appreciated, HAPPY HOLIDAYS to all u ole GS'ers!
    Tags: None
    #2
    If this is a Suzuki GS, there is no vent tube.

    It vents through the keyhole.
    http://img.photobucket.com/albums/v5...tatesMap-1.jpg

    Life is too short to ride an L.

    Comment

      #3
      gas vent tube leak

      so I'm imagining it? I better lay off the eggnog.What do you call it then?

      Comment

        #4
        gas vent tube leak

        Is it the overflow vent tube? Whatever it is its in the schematic for the gas tank, unless Suzki is wrong too.

        Comment

          #5
          I wonder, are you talking about the drain line from around the sending unit for the fuel gauge?The tank vents through the key hole in the cap
          1984 GS1100GK newest addition to the heard
          80 GS 1000gt- most favorite ride love this bike
          1978 GS1000E- Known as "RoadKill" , Finished :D
          83 gs750ed- first new purchase
          85 EX500- vintage track weapon
          1958Ducati 98 Tourismo
          “Remember When in doubt use full throttle, It may not improve the situation ,but it will end the suspense ,
          If it isn't going to make it faster or safer it isn't worth doing

          Comment

            #6
            I wouldn't seal the vent. A sealed vent plus an over-flowing carb = fuel in the crankcases. Not good!

            The problem is most likely further up the line eg sticking float, bad petcock etc.

            Why don't you add the model of the bike to your sig? Then someone who knows that particular model can advise more specifically.
            1980 GS550ET

            Comment

              #7
              vent tube leak

              sorry, its an 1982 gs 750e and I tried leaving thecap off, didn't help,yes I guess its the sending unit with the brass collector underneath.

              Comment

                #8
                The fuel sending unit line comes off the metal plate up under the bottom off the tank, and runs towards the back of the bike.
                1984 GS1100GK newest addition to the heard
                80 GS 1000gt- most favorite ride love this bike
                1978 GS1000E- Known as "RoadKill" , Finished :D
                83 gs750ed- first new purchase
                85 EX500- vintage track weapon
                1958Ducati 98 Tourismo
                “Remember When in doubt use full throttle, It may not improve the situation ,but it will end the suspense ,
                If it isn't going to make it faster or safer it isn't worth doing

                Comment

                  #9
                  Replace the seal.

                  Park it outside until you do so you don't blow your house up.
                  http://img.photobucket.com/albums/v5...tatesMap-1.jpg

                  Life is too short to ride an L.

                  Comment

                    #10
                    Originally posted by JDZUKI View Post
                    sorry, its an 1982 gs 750e and I tried leaving thecap off, didn't help,yes I guess its the sending unit with the brass collector underneath.
                    You could try tightening the bolts but odds are you need the rubber gasket.
                    1984 GS1100GK newest addition to the heard
                    80 GS 1000gt- most favorite ride love this bike
                    1978 GS1000E- Known as "RoadKill" , Finished :D
                    83 gs750ed- first new purchase
                    85 EX500- vintage track weapon
                    1958Ducati 98 Tourismo
                    “Remember When in doubt use full throttle, It may not improve the situation ,but it will end the suspense ,
                    If it isn't going to make it faster or safer it isn't worth doing

                    Comment

                      #11
                      vent tube leak

                      So, should I just replace the whole sending unit in the tank or just the seal? Its a pain in the arse to keep emptying the tank to play with it.One and done is what I want.

                      Comment

                        #12
                        Just the seal if the sending unit still works.
                        http://img.photobucket.com/albums/v5...tatesMap-1.jpg

                        Life is too short to ride an L.

                        Comment

                          #13
                          vent tube leak

                          Good advise tkent, and my kids smoke in the garage

                          Comment

                            #14
                            vent tube leak

                            Thanx to everybody,keep them answers comin, I'm gonna replace the rubber gasket,the sending unit works, its tempermental,but would just a bad sending unit cause a leak ?

                            Comment

                              #15
                              Originally posted by JDZUKI View Post
                              Good advise tkent, and my kids smoke in the garage
                              A nice big garage explosion will cure them of smoking.
                              http://img.photobucket.com/albums/v5...tatesMap-1.jpg

                              Life is too short to ride an L.

                              Comment

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