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    #1

    Help with identifying carb part

    Hey guys I have tried searching on here and looking online for a part with no success. I think its called a vacuum barb but I cant find where to buy it online. The first picture is the barb with the broken threads (it was actually glued in!):


    This shows where its at:

    Im not to good at photobucket yet... I want this to be bigger! anywho, there is a red circle around the fitting. the fitting is on the intake flange on the first back. In this picture there is a black hose, which I think is the vaccuum hose to the petcock. sorry for the crappy pics, I will get better but in a hurry now.

    Can you tell me what this part is actually called?

    Where can I order one?

    Thanks
    Last edited by Guest; 09-08-2012, 11:26 AM.
    Tags: None
    #2
    If by "the first back", you mean carb #1, under your clutch hand, it looks like somebody tried to rig up a semi-permanent vacuum port for synching
    the carbs, kind of like Kawasaki '4's have. Can't really see a red circle in the pic, so I'm just guessing, and if I'm right, it's a non-standard part that somebody tried to graft onto your bike. Maybe if you share your Photobucket address with us, somebody might get a more accurate answer to your question
    sigpicSome of the totally committed probably should be.
    '58 + '63 Vespa 150's' (London, GB/RI, US)
    '67 X6 T20 ('67 Long Beach, Ca.- misty-eyed)
    '71 Kaw. A1-ugh ('71 SF, CA- worked @ Kaw dlr)
    '66 Yam. YL1('72 SF-commuter beater)
    '73 Kaw. S2A-2Xugh ('73 SF-still parts slave)
    '78 GS 750C ('77 SF-old faithful-killed by son)
    '81 KZ 750E ('81 SF-back to Kaw. dlr)
    '81 GS 650G ('08 back to NE&ME- (project)
    '82 GS '82 (2) GS650GZ, L, Middlebury, G current

    Comment

      #3
      Heres a better shot:


      Should I just plug this with a new bolt? if so, where does this vacuum line go?

      I just bought this bike for dirt cheap. The PO said it ran but we couldnt start it. I got it home and found out that the clutch kill switch was the problem. But it ran poorly, now im fixing all the crappy mix ups.

      Comment

        #4
        Does the float bowl drain take a 17 mm wrench to unscrew it?

        Eric

        Comment

          #5
          Originally posted by 7981GS View Post
          Does the float bowl drain take a 17 mm wrench to unscrew it?

          Eric
          Nope. Its a flat head screwdriver.

          Comment

            #6
            Then, you should have a port between the first two carbs on your left, as you sit on the bike, between the carbs and the intake manifolds for your petcock vacuum.
            Seal the one that you are currently using with a stock Allan head bolt just like the others have.

            Eric

            Comment

              #7
              Originally posted by 7981GS View Post
              Then, you should have a port between the first two carbs on your left, as you sit on the bike, between the carbs and the intake manifolds for your petcock vacuum.
              Seal the one that you are currently using with a stock Allan head bolt just like the others have.

              Eric
              You kick ass! I will do that.

              what about the hose that was connected here? I have the carb all off the bike and hoses removed so I dont know where the other end attached.

              Could this have had something to do with the leaking fuel and crap all over the carbs? :

              Comment

                #8
                clean your carbs first.

                Comment

                  #9
                  Go to Basscliff's site, step by step on how to clean VM carbs., that will make it easy to do. Also should show where all the hoses go. terrylee

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