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  • Question on geometry of bike

    I am thinking of maybe changing my MNS over to Standard forks, brakes, and triple tree. Is there any difference in the rake between the Special and the Standard? I ran this bike with Standard triple tree, and Special forks when i first got it, and it seemed to handle ok. I have the forks, and triple tree, just need calipers, and hoses.
    1980 XS1100LG Midnight
    1991 Honda CBR1000F Hurricane


    "The hand is almost valueless at one end of the arm if there be not a brain at the other"

    Here's to a long life and a happy one.
    A quick death and an easy one.
    A pretty girl and an honest one.
    A cold beer and another one!

  • #2
    The triple trees were modified between the Standard setup and the Special setup to keep the same rake and trail. As long as you get both together, there is no change to the steering geometry.
    Life is what happens while your planning everything else!

    When your work speaks for itself, don't interrupt.

    81 XS1100 Special - Humpty Dumpty
    80 XS1100 Special - Project Resurrection


    Previously owned
    93 GSX600F
    80 XS1100 Special - Ruby
    81 XS1100 Special
    81 CB750 C
    80 CB750 C
    78 XS750

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    • #3
      I'm just curious - Why would you want to do this?
      1980 XS850SG - Sold
      1981 XS1100LH Midnight Special (Sold) - purchased 9/29/08
      Fully Vetterized and Dynojet Kit added, Heated Grips, Truck-Lite LED headlight, Accel Coils, Irridium plugs, TKAT Fork Brace, XS850LH Final Drive & Black SS Brake lines from Chacal.
      Here's my web page devoted to my bike! XS/XJ User's Manuals there, and the XJ1100 Service Manual and both XS1100 Service manuals (free download!).

      Whether you think you can, or you think you cannot - You're right.
      -H. Ford

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      • #4
        Cause i hate those frigging Special brakes. At least the Standard has real mountings the them. I just think that they may function better. I got to thinking though, i may need a fender as well, or do i?
        1980 XS1100LG Midnight
        1991 Honda CBR1000F Hurricane


        "The hand is almost valueless at one end of the arm if there be not a brain at the other"

        Here's to a long life and a happy one.
        A quick death and an easy one.
        A pretty girl and an honest one.
        A cold beer and another one!

        Comment


        • #5
          Originally posted by XS1100 Newbie View Post
          Cause i hate those frigging Special brakes. At least the Standard has real mountings the them. I just think that they may function better. I got to thinking though, i may need a fender as well, or do i?
          I totally agree on the Special brake system. CBug has the 81 MNS model which has the XJ brakes, different setup than the rest of the Specials. That goofy mounting bolt and the sloped pads make it a PITA to get setup correctly, and limits the upgrade mods substantially.

          Yes, you will also need the fender. They are a different mounting location which will not work with the wheel location.
          Life is what happens while your planning everything else!

          When your work speaks for itself, don't interrupt.

          81 XS1100 Special - Humpty Dumpty
          80 XS1100 Special - Project Resurrection


          Previously owned
          93 GSX600F
          80 XS1100 Special - Ruby
          81 XS1100 Special
          81 CB750 C
          80 CB750 C
          78 XS750

          Comment


          • #6
            You'll have to do a few other mods too... the headlight ears are longer on the Special (the trees are further apart), you'll need to trim about 5/8" off one end or the other. You'll have to fab a lower headlight adjuster bracket or mod what you have. I did this swap, look here... http://www.xs11.com/forum/showthread...ht=Yawn&page=2. The brakes hoses are the same, you don't need to change those.

            I'm not a fan of the special brakes either....
            Fast, Cheap, Reliable... Pick any two

            '78E original owner - resto project
            '78E ???? owner - Modder project FJ forks, 4-piston calipers F/R, 160/80-16 rear tire
            '82 XJ rebuild project
            '80SG restified, red SOLD
            '79F parts...
            '81H more parts...

            Other current bikes:
            '93 XL1200 Anniversary Sportster 85RWHP
            '86 XL883/1200 Chopper
            '82 XL1000 w/1450cc Buell, Baker 6-speed, in-progress project
            Cage: '13 Mustang GT/CS with a few 'custom' touches
            Yep, can't leave nuthin' alone...

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            • #7
              You can buy a fender from a XS650 Special. It will b e perfect match. Y ok can even buy a new fender from Mike's XS.
              Marty (in Mississippi)
              XS1100SG
              XS650SK
              XS650SH
              XS650G
              XS6502F
              XS650E

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              • #8
                Thanks for the info guys.
                1980 XS1100LG Midnight
                1991 Honda CBR1000F Hurricane


                "The hand is almost valueless at one end of the arm if there be not a brain at the other"

                Here's to a long life and a happy one.
                A quick death and an easy one.
                A pretty girl and an honest one.
                A cold beer and another one!

                Comment

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