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  • 81 special exhaust

    The bike didn't have a centerstand when I bought it. Just wondering what the stock exhaust is on an 81 special. From the threads that I have read it looks like some exhausts won't accommodate a centerstand. I don't want to buy a centerstand if it isn't going to fit on the bike.
    Ryan

    1981 XS1100SH
    K&N filter
    Spade fuse block
    Barnett Springs

  • #2
    I have a Mac 4 into 2 on my SG and the center stand fits. Most 4 into 1s won't allow the center stand as far as I know.
    Greg

    Everybody is a genius. But if you judge a fish by its ability to climb a tree, it will live its whole life believing that it is stupid.”

    ― Albert Einstein

    80 SG Ol' Okie;79 engine & carbs w/pods, 45 pilots, 140 mains, Custom Mac 4 into 2 exhaust, ACCT,XS850 final drive,110/90/19 front tire,TKat fork brace, XS750 140 MPH speedometer, Vetter IV fairing, aftermarket hard bags and trunk, LG high back seat, XJ rear shocks.

    The list changes.

    Comment


    • #3
      It has a 4 in 1 on it, and it doesn't look like a centerstand will fit. Do you know what the stock exhaust was?
      Ryan

      1981 XS1100SH
      K&N filter
      Spade fuse block
      Barnett Springs

      Comment


      • #4
        What do you mean, what the stock exhaust was?

        This is what the stock system looks like. You can't see both sides but it's a 4 into 2 with a crossover chamber under the bike.



        Good luck finding one in that kind of shape.
        Greg

        Everybody is a genius. But if you judge a fish by its ability to climb a tree, it will live its whole life believing that it is stupid.”

        ― Albert Einstein

        80 SG Ol' Okie;79 engine & carbs w/pods, 45 pilots, 140 mains, Custom Mac 4 into 2 exhaust, ACCT,XS850 final drive,110/90/19 front tire,TKat fork brace, XS750 140 MPH speedometer, Vetter IV fairing, aftermarket hard bags and trunk, LG high back seat, XJ rear shocks.

        The list changes.

        Comment


        • #5
          I figured what I had wasn't the stock exhaust. Which, by your picture, it isn't. Now it makes sense why it doesn't have a centerstand. And if I wanted to add one, I would have to change the exhaust. Thanks. That's what I was looking for.
          Ryan

          1981 XS1100SH
          K&N filter
          Spade fuse block
          Barnett Springs

          Comment


          • #6
            That pic is of an 80 with some 79 parts mixed in but the exhaust will be the same on the specials 79-81.
            Greg

            Everybody is a genius. But if you judge a fish by its ability to climb a tree, it will live its whole life believing that it is stupid.”

            ― Albert Einstein

            80 SG Ol' Okie;79 engine & carbs w/pods, 45 pilots, 140 mains, Custom Mac 4 into 2 exhaust, ACCT,XS850 final drive,110/90/19 front tire,TKat fork brace, XS750 140 MPH speedometer, Vetter IV fairing, aftermarket hard bags and trunk, LG high back seat, XJ rear shocks.

            The list changes.

            Comment


            • #7
              Originally posted by BA80 View Post
              What do you mean, what the stock exhaust was?

              This is what the stock system looks like. You can't see both sides but it's a 4 into 2 with a crossover chamber under the bike.



              Good luck finding one in that kind of shape.
              Great looking Special Greg! Very nice.
              2016 Yamaha FJR1300A
              2007 Kawasaki KLR650A
              1979 Yamaha XS1100SF
              1971 Kawasaki F6 125

              Comment


              • #8
                Heh heh thanks but that's not mine. That's a pic I had in my photobucket account, not sure where it came from.

                But yes it is. Obviousy one someone has revitalized since it is an SG with SF brake rotors on it. Standard bars too.
                Greg

                Everybody is a genius. But if you judge a fish by its ability to climb a tree, it will live its whole life believing that it is stupid.”

                ― Albert Einstein

                80 SG Ol' Okie;79 engine & carbs w/pods, 45 pilots, 140 mains, Custom Mac 4 into 2 exhaust, ACCT,XS850 final drive,110/90/19 front tire,TKat fork brace, XS750 140 MPH speedometer, Vetter IV fairing, aftermarket hard bags and trunk, LG high back seat, XJ rear shocks.

                The list changes.

                Comment


                • #9
                  Yeh, and it doesn't have the skid mark on the seat that Greg has. CZ

                  Comment


                  • #10
                    If you could post a pic, we may be able to tell you what make of exhaust you have, and whether a centerstand will work. My Jardine 4 into 1 works with one, and I had a Kerker 4 into 1 that did too.
                    1979 Yamaha XS1100SF (gone)
                    Airbox w/K&N element
                    Jardine 4 into 1
                    145 mains, 45 pilots

                    1996 Ducati 900SS CR
                    1977 Kawasaki KZ900-A5
                    1975 Honda CB550K

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