BUB exhausts

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  • BigD_83
    Forum Sage
    Past Site Supporter
    • May 2011
    • 4872
    • Vancouver

    #1

    BUB exhausts

    I know that some of the members (including myself) on here picked up some BUB 4:1 exhausts from another member.

    I was in the garage last night, and noticed that I have an exhaust leak at the joint between header and muffler. Has anyone else noticed this, and should I be doing something like adding a gasket at that joint?
    '83 GS650G
    '83 GS550es (didn't like the colours in the 80's, but they've grown on me)
  • Nessism
    Forum LongTimer
    GSResource Superstar
    Past Site Supporter
    Super Site Supporter
    • Mar 2006
    • 35790
    • Torrance, CA

    #2
    Think it's normal for headers to leak a little there. I wouldn't do anything unless it's leaking really bad.
    Ed

    To measure is to know.

    Mikuni O-ring Kits For Sale...https://www.thegsresources.com/_foru...ts#post1703182

    Top Newbie Mistakes thread...http://www.thegsresources.com/_forum...d.php?t=171846

    Carb rebuild tutorial...https://gsarchive.bwringer.com/mtsac...d_Tutorial.pdf

    KZ750E Rebuild Thread...http://www.thegsresources.com/_forum...0-Resurrection

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    • BigD_83
      Forum Sage
      Past Site Supporter
      • May 2011
      • 4872
      • Vancouver

      #3
      Thanks Ed.

      In my opinion it is very bad. There is a large plume of exhaust escaping and making it's way up to produce a cloud in front of the headlight. It comes up and around me at stops, making me smell like I've been trying to fumigate the lower mainland. I'm thinking that can't be very healthy.
      '83 GS650G
      '83 GS550es (didn't like the colours in the 80's, but they've grown on me)

      Comment

      • Nessism
        Forum LongTimer
        GSResource Superstar
        Past Site Supporter
        Super Site Supporter
        • Mar 2006
        • 35790
        • Torrance, CA

        #4
        Maybe some header wrap around the joint held in place by band clamps?
        Ed

        To measure is to know.

        Mikuni O-ring Kits For Sale...https://www.thegsresources.com/_foru...ts#post1703182

        Top Newbie Mistakes thread...http://www.thegsresources.com/_forum...d.php?t=171846

        Carb rebuild tutorial...https://gsarchive.bwringer.com/mtsac...d_Tutorial.pdf

        KZ750E Rebuild Thread...http://www.thegsresources.com/_forum...0-Resurrection

        Comment

        • BigD_83
          Forum Sage
          Past Site Supporter
          • May 2011
          • 4872
          • Vancouver

          #5
          Originally posted by Nessism
          Maybe some header wrap around the joint held in place by band clamps?
          Good suggestion...

          I know some other systems use a spring to pull the two parts together, and it looks like there should be one on this as well, but none was provided. I keep meaning to contact BUB at their request, but never seem to find the time.
          '83 GS650G
          '83 GS550es (didn't like the colours in the 80's, but they've grown on me)

          Comment

          • jimfj
            Forum Mentor
            • Oct 2007
            • 453
            • Kansas City

            #6
            Do you have a clamp on the pipe to muffler connection? I am the one who sold those exhausts and there should be a clamp that holds the collector onto the header. Make sense?
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            • BigD_83
              Forum Sage
              Past Site Supporter
              • May 2011
              • 4872
              • Vancouver

              #7
              That's right! I probably should have fired off an email to you. Thanks for the reply.

              No, there was no clamp in the set I received from you.

              The pipe is brilliant by the way. It's starting to show a little rust, but only on the surface, and it is not unsightly.
              '83 GS650G
              '83 GS550es (didn't like the colours in the 80's, but they've grown on me)

              Comment

              • SVSooke

                #8

                Get one of these.

                Comment

                • BigD_83
                  Forum Sage
                  Past Site Supporter
                  • May 2011
                  • 4872
                  • Vancouver

                  #9
                  Originally posted by jimfj
                  Do you have a clamp on the pipe to muffler connection? I am the one who sold those exhausts and there should be a clamp that holds the collector onto the header. Make sense?
                  Getting back to this, Jim.

                  I still haven't put a clamp at the connection, but I am getting a large amount of exhaust coming out there, so I wat to address it this spring.

                  Can you shoot me a pic of a clamp installed on the pipe? I can come up with any number of solutions, but I'm looking to keep it as authentic to the brand as possible.

                  Thanks
                  '83 GS650G
                  '83 GS550es (didn't like the colours in the 80's, but they've grown on me)

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