Are the frames different between a special and a standard?

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  • tweeleft
    Truly XSive
    • May 2009
    • 110
    • Bend Oregon

    #1

    Are the frames different between a special and a standard?

    I guess I'm asking if there are issues putting standard forks on a special. Install and handling. 80g to a 81sh. 81 needs brakes and fork seals. 80's are both good.
    Keep the shiny side up
    1979 XS1100SF
    Mac 4-1
    Drilled airbox Uni filter
    Vmax bars
    Virago 1" shorter shocks
    30K miles
    http://i1228.photobucket.com/albums/...429_135845.jpg
    1981XS1100SH
    '80 G Forks and Triple Tree
    '80 G tank
    Mac Turnouts
    Virago 1" shorter rear shocks
    SH Headlight
    http://i1228.photobucket.com/albums/...psd6adaae1.jpg
    61 Wife
    83 Son
    86 Son
    89 Daughter
  • tweeleft
    Truly XSive
    • May 2009
    • 110
    • Bend Oregon

    #2
    Is the rake different as to the handling?
    Keep the shiny side up
    1979 XS1100SF
    Mac 4-1
    Drilled airbox Uni filter
    Vmax bars
    Virago 1" shorter shocks
    30K miles
    http://i1228.photobucket.com/albums/...429_135845.jpg
    1981XS1100SH
    '80 G Forks and Triple Tree
    '80 G tank
    Mac Turnouts
    Virago 1" shorter rear shocks
    SH Headlight
    http://i1228.photobucket.com/albums/...psd6adaae1.jpg
    61 Wife
    83 Son
    86 Son
    89 Daughter

    Comment

    • bikerphil
      Master of XSology
      • Jan 2008
      • 8635
      • South Flori-DUH

      #3
      The steering neck is the same on the Standard and Special frames, the forks and triple trees are different as well as the calipers. If you change the triple trees along with the forks, the rake/trail will remain correct.
      2H7 (79) owned since '89
      3H3 owned since '06

      "If it ain't broke, modify it"

      Comment

      • skids
        XS-XJ Super Guru
        • Jul 2002
        • 5047
        • Florissant, CO, USA

        #4
        I know you didm't ask, but you better get the fender also.
        Skids (Sid Hansen)

        Down to one 1978 E. Stock air box with K&N filter, 81H pipes and carbs, 8500 feet elevation.

        Comment

        • tweeleft
          Truly XSive
          • May 2009
          • 110
          • Bend Oregon

          #5
          Thx. I have the 80 as a parts bike. Using tank and other parts
          Keep the shiny side up
          1979 XS1100SF
          Mac 4-1
          Drilled airbox Uni filter
          Vmax bars
          Virago 1" shorter shocks
          30K miles
          http://i1228.photobucket.com/albums/...429_135845.jpg
          1981XS1100SH
          '80 G Forks and Triple Tree
          '80 G tank
          Mac Turnouts
          Virago 1" shorter rear shocks
          SH Headlight
          http://i1228.photobucket.com/albums/...psd6adaae1.jpg
          61 Wife
          83 Son
          86 Son
          89 Daughter

          Comment

          • BA80
            Doctor of XSology
            • Oct 2010
            • 9980
            • Tulsa, Ok

            #6
            Changing brakes and fork seals is much less work than changing the entire front end.

            Just sayin'
            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

            • Eveready1100
              XSive Maximus
              • Jul 2002
              • 539
              • Childers, Queensland,Australia

              #7
              Tweeleft, I did the swap a couple of years ago, due to being left seal-less by a narrow minded dealer over here.

              [IMG][/IMG]

              I left the trees alone, as that would've also meant swapping the headlight ears over as well. Just swapped over the forks, brakes, front guard, and speedo drive. Did about 50,000 klms till I got around to refitting the stock bits, which included towing my trailer on a couple of trips.
              Had no problems with the slightly different steering at all, and also benefitted from much better braking from the standards calipers??
              I'd say if you've got the bits on hand to get the job done, go for it.
              79 SF Special W/ Stock all original motor @ 384,000klms
              Stock exhaust, stock airbox, XJ sump, 78E carbs, Xs1100RH seat, Bosch superhorns, 5/8ths front M/c, braided lines, sintered SBS pads, drilled discs, progressive springs, 8" 50w HID headlight 4300K, 2 x 50w HID spiral driving lights, KONI shocks, Spade fuse box
              *Touring mode - Plexistar 2 screen, Gearsack rack & bag & saddlebags, homebuilt towbar
              *"The Keg"- UC torana hubs, XS11 discs, Tokico 4 spot calipers

              Comment

              • fredintoon
                Master of XSology
                • Mar 2004
                • 6795
                • Saskatoon SK

                #8
                Originally posted by Eveready1100
                - - - Had no problems with the slightly different steering at all, - - -
                Hi Errol,
                "slightly different steering" you say?
                With ~2" extra steering trail?
                Jeez! How much do you bench press?
                BTW, that's a very pretty bike you have there.
                Fred Hill, S'toon
                XS11SG with Spirit of America sidecar
                "The Flying Pumpkin"

                Comment

                • TomB
                  XSive Maximus
                  • Aug 2006
                  • 967
                  • Cumbria, UK

                  #9
                  Originally posted by fredintoon
                  Hi Errol,
                  "slightly different steering" you say?
                  With ~2" extra steering trail?
                  Jeez! How much do you bench press?
                  BTW, that's a very pretty bike you have there.
                  I run with the same set up as Errol and find it Ok, I do have 32" bars which probably accounts for why I find it Ok.
                  Tom
                  1982 5K7 Sport, restored to original from a wreck
                  1978 2H9 (E), my original XS11, mostly original
                  1980 2H9 monoshocked (avatar pic)http://i145.photobucket.com/albums/r...psf30aa1c8.jpg
                  1982 XJ1100, waiting resto to original

                  Comment

                  • Eveready1100
                    XSive Maximus
                    • Jul 2002
                    • 539
                    • Childers, Queensland,Australia

                    #10
                    Fred, can't say how much I can press, as I've never been near one, and for the record, I'm 5'9" @ 149lbs so I'm not exactly built like a gorilla.
                    Plus those RH bars are about an inch narrower than the euro standard bars

                    As far as steering the bike goes, it was really only slightly different to turn in to the turns, as compared to with the stock setup. Handled my favourite sets of twisties with ease, but my biggest thing that changed on the bike was the brakes. Kept the original 5/8" master cylinder and only swapped the calipers over but the change in braking force was phenomenal. Even with the original spongy lines, I could lock the front wheel if I wanted.
                    So different that when I put the original front end back on, it scared be badly and was quickly updated with braided lines and sintered pads just to get them working with any sort of parity to the Standard ones.
                    79 SF Special W/ Stock all original motor @ 384,000klms
                    Stock exhaust, stock airbox, XJ sump, 78E carbs, Xs1100RH seat, Bosch superhorns, 5/8ths front M/c, braided lines, sintered SBS pads, drilled discs, progressive springs, 8" 50w HID headlight 4300K, 2 x 50w HID spiral driving lights, KONI shocks, Spade fuse box
                    *Touring mode - Plexistar 2 screen, Gearsack rack & bag & saddlebags, homebuilt towbar
                    *"The Keg"- UC torana hubs, XS11 discs, Tokico 4 spot calipers

                    Comment

                    • TomB
                      XSive Maximus
                      • Aug 2006
                      • 967
                      • Cumbria, UK

                      #11
                      I'm also with you on the brakes Errol, I use standard 2H9/2H7 calipers that should use the 11/16" M/C with my 5K7 5/8" M/C and found the brakes great, much better than with the 11/16" M/C. I can lock these brakes.

                      More lever travel because of it but if bled up with new fluid not excessive
                      Tom
                      1982 5K7 Sport, restored to original from a wreck
                      1978 2H9 (E), my original XS11, mostly original
                      1980 2H9 monoshocked (avatar pic)http://i145.photobucket.com/albums/r...psf30aa1c8.jpg
                      1982 XJ1100, waiting resto to original

                      Comment

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