Lowering The XS1100

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  • Steve P
    XSive
    • Aug 2006
    • 14

    #1

    Lowering The XS1100

    I have a 1980 XS1100SG. I'm a short rider and feel like I'm sitting too high on the machine, (I've cut down the width of the steel seat frame and have minimal padding and can just barely get my feet flat on the ground). Years ago I seem to recall riders that would extend the fork tubes up through the top tree about an inch or so to lower the front end and help keep the front wheel down under hard acceleration. Would like to know if this would be advisable to put me closer to the ground without compromising handling or safety. If I drop the front an inch, do I have to drop the rear an inch also?

    Thanks
  • btchalice
    XSive
    • Jul 2005
    • 55
    • wichita, ks

    #2
    if you dont your rake and trail will be altered some
    79 xs1100 standard
    76 kz900 <now 1015
    Terry Meyer

    Comment

    • DiverRay
      Moderator
      • Nov 2004
      • 7605
      • Star, IDAHO

      #3
      If you do a search, there are a few threads about lowering the XS1100. You can put a 12" rear shock/spring on the back, and with "bar backs", lower the front about 1". A few of the riders on this forum have done it.
      Ray
      Ray Matteis
      KE6NHG
      XS1100 E '78 (winter project)
      XS1100 SF Bob Jones worked on it!

      Comment

      • John
        XS-XJ Super Guru
        • Oct 2003
        • 5117

        #4
        Here's how I did it

        Comment

        • kennewick58
          XSive
          • Sep 2006
          • 44
          • Kennewick Wa.

          #5
          rear shocks

          I just want the rear lowered and I noticed that Mikes XS has a set of progressive 11.5 inch shocks and springs.

          It gets hard to understand what will work and not work. I have read all the threads and they kinda jump around a bit. What do you guys think will these fit my 81 XS special and what can I expect from the mod?

          By the way I changed out the buck horns for a set of 77 goldwing bars and man what a differance. Thanks!

          Where can I get a guage and pump for the air forks?

          Comment

          • kennewick58
            XSive
            • Sep 2006
            • 44
            • Kennewick Wa.

            #6
            Ask again.

            The 11.5 inch from mikes xs. will these work on my 81 special. does anybody know?

            Also just what is the plastic that comes on them wound around the spring?

            I have a 12.5 set and a 11.5 set of progressives. realizing that this is a 650 site I was wondering if the weight diff was a problem?

            Comment

            • TopCatGr58
              Administrator
              • Jul 2002
              • 12650
              • Portsmouth, Va.

              #7
              Bruce,

              Aside from the length of the 11.5" shocks, vs. the stock size, the model # is the same that is listed on PNM site for the XS11. These are the same shocks that I got for my 81SH, but I got the stock length from JCW. Monza brand, JCW says preload settings vary from 160 lbs to 190lbs. With the specials smaller rear tire, you have a bit more room to allow a shorter shock with less chance of hitting the rear tire into the fender well during bottoming out of the shocks. You might try bouncing the rear enough to compress your OEM shocks until they bottom out and see how much room you have between your tire and fender, if it's more than the 1.25" difference in length between the 11.5" and the 12.75" shocks, then you should be able to use the shorter shocks! The damping affect is very good for being inexpensive!

              The plastic is a separator between the 2 different springs.
              T.C.
              T. C. Gresham
              81SH "Godzilla" . . .1179cc super-rat.
              79SF "The Teacher" . . .basket case!
              History shows again and again,
              How nature points out the folly of men!

              Comment

              • kennewick58
                XSive
                • Sep 2006
                • 44
                • Kennewick Wa.

                #8
                Great info

                Thanks. I had never seen these plastic deals. I take it they stay on the shock?

                Comment

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