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'79 XS1100SF Aynor SC

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  • #31
    Forks

    Originally posted by bikerphil View Post
    Yes, Standard forks will except brake modifications better than the Special forks. The Special forks do utilize an extra internal slider bushing which may/may not improve performance.
    Yes, there will be handling issues if just the forks are swapped and not the TT's.
    The way to tell the two types of TT's apart are the Standard lower TT pinch bolts are in the front and the Special's are on the side.
    Thanks Phil, I will put this information in a safe place where I can find it again.

    Mike
    1981 XS1100H Venturer
    K&N Air Filter
    ACCT
    Custom Paint by Deitz
    Geezer Rectifier/Regulator
    Chacal Stainless Steel Braided Brake Lines
    Chrome Front Rotor & Caliper Covers
    Stebel Nautilus Horn
    EBC Front Rotors
    Limie Accent Moves On In 2015

    Mike

    Comment

    • #32
      this is a triple tree from a standard

      http://www.ebay.com/itm/YAMAHA-1980-...e1f5f5&vxp=mtr


      this is a triple tree from a special

      http://www.ebay.com/itm/Yamaha-XS110...6c90a9&vxp=mtr

      the standard forks have the axle at the bottom of the fork, whereas the special forks hold the front axle in front of the forks. which is why the standard trees have more rake. and if you try to put a standard tank on a bike with special trees, the trees with hit the tank when the bars are turned all the way.

      somehow, i think you are looking for a more technical answer.
      Steven


      1981 XS 1100 LH
      1979 XS 1100 SF

      Comment

      • #33
        I had Special forks in Standard trees for a while, the front wheel sticks out a bit further. Handling was shaky at 75MPH.

        2H7 (79) owned since '89
        3H3 owned since '06

        "If it ain't broke, modify it"

        ☮

        Comment

        • #34
          Triple Tree

          Originally posted by Eastcoaster View Post
          Here's another Pix. I am very curious how you can tell this has a standard front fork? Yet the gauges are round? How do you tell the between the two?
          Thanks
          Gordon
          It appears that this bike (with the Standard forks) still has the Special triple tree. Am I seeing that right?

          Mike
          1981 XS1100H Venturer
          K&N Air Filter
          ACCT
          Custom Paint by Deitz
          Geezer Rectifier/Regulator
          Chacal Stainless Steel Braided Brake Lines
          Chrome Front Rotor & Caliper Covers
          Stebel Nautilus Horn
          EBC Front Rotors
          Limie Accent Moves On In 2015

          Mike

          Comment

          • #35
            The above bike is a 79 Special with standard forks in the Special TT's. Yes Mike you are seeing it right.
            2H7 (79) owned since '89
            3H3 owned since '06

            "If it ain't broke, modify it"

            ☮

            Comment

            • #36
              Forks

              Originally posted by bikerphil View Post
              The above bike is a 79 Special with standard forks in the Special TT's. Yes Mike you are seeing it right.
              Since it is an apparent disadvantage causing handling problems, I am trying to figure out why someone would do that. What am I missing?

              Mike
              1981 XS1100H Venturer
              K&N Air Filter
              ACCT
              Custom Paint by Deitz
              Geezer Rectifier/Regulator
              Chacal Stainless Steel Braided Brake Lines
              Chrome Front Rotor & Caliper Covers
              Stebel Nautilus Horn
              EBC Front Rotors
              Limie Accent Moves On In 2015

              Mike

              Comment

              • #37
                Perhaps the bike was in an accident and the forks were bent. Whomever replaced them didn't know the difference?
                1979 XS1100 Standard
                Putting it together........

                Comment

                • #38
                  Or, the guy just had a pair of standard forks and knew they'd go on with no issues, lol.
                  1979 XS1100F
                  2H9 Mod, Truck-Lite LED Headlight, TECHNA-FIT S/S Brake Lines, Rear Air Shocks, TKAT Fork Brace, Dyna DC-I Coils, TC Fuse Block, Barnett HD Clutch Springs, Superbike Handlebars, V-Star 650 ACCT, NGK Irridium Plugs, OEM Exhaust. CNC-Cut 2nd Gear Dogs; Ported/Milled Head; Modded Airbox: 8x8 Wix Panel Filter; #137.5 Main Jet, Viper Yellow Paint, Michelin Pilot Activ F/R, Interstate AGM Battery, 14MM MC, Maier Fairing, Cree LED Fog Lights.

                  Comment

                  • #39
                    You would think they might notice the difference pretty quickly when they tried to mount the calipers.

                    Comment

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