Non Air Fork Cap Option

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  • Charka120
    XSive
    • Jan 2021
    • 89
    • SW PA

    #1

    Non Air Fork Cap Option

    I'm upgrading my forks on my XS1100G with Racetech cartridge emulators and heavier springs, so I'm ditching the schrader valve fork caps for solid ones. I had a hard time finding non-air caps that would work.

    So, just in case anyone else wants to do the same I found a very good replacement option. Kawasaki p/n# 44062-010 . It is dimensionally identical to the stock caps but instead uses a solid 22mm hex as can be seen in the photos.
  • bikerphil
    Master of XSology
    • Jan 2008
    • 8640
    • South Flori-DUH

    #2
    Good to know this mod, thank you.
    2H7 (79) owned since '89
    3H3 owned since '06

    "If it ain't broke, modify it"

    Comment

    • 2WheelFun
      XStremely XSive
      • Aug 2020
      • 266
      • Pittsburgh PA

      #3
      Nice! Glad to see your back on the project. Can't wait to tear up the streets around the Burgh with you. I'll be on the stocker with the pogo stick legs, you know, in your mirror.

      Emulators seem to be the way to go for keeping the cafe look and getting the modern suspension. USD legs just seem too bulky on a stripped down cafe most times.
      1979 XS1100 Special
      1980 XS1100 Std parts bucket
      1987 ZL1000 Eliminator
      1976 XS750D Project in waiting

      Comment

      • Charka120
        XSive
        • Jan 2021
        • 89
        • SW PA

        #4
        Im excited to do the same. Between about a million things the xs11 build got pushed aside for a few months. Now that swap meet season is over and I've got a few other projects done I'm back on it. Have made a lot of progress, but havent really documented it.

        I decided with the Ohlins on the rear there was no way I could leave the forks stock, but I didnt want to swap front ends though.

        Comment

        • jetmechmarty
          Master of XSology
          • Nov 2003
          • 7769
          • Coldwater, Mississippi

          #5
          Originally posted by Charka120
          I'm upgrading my forks on my XS1100G with Racetech cartridge emulators and heavier springs, so I'm ditching the schrader valve fork caps for solid ones. I had a hard time finding non-air caps that would work.

          So, just in case anyone else wants to do the same I found a very good replacement option. Kawasaki p/n# 44062-010 . It is dimensionally identical to the stock caps but instead uses a solid 22mm hex as can be seen in the photos.
          It has the same threads as well? I need to get them myself. I tried searching the part number at Partzilla. No match. Help, please.
          Last edited by jetmechmarty; 10-24-2021, 09:01 AM.
          Marty (in Mississippi)
          XS1100SG
          XS650SK
          XS650SH
          XS650G
          XS6502F
          XS650E

          Comment

          • Radioguylogs
            XS-XJ Guru
            • Nov 2012
            • 1938
            • Presque Isle, MI

            #6
            I was pondering that someone who was searching for the origianal caps might be able to mount a schrader valve on those blanks.
            -Mike
            _________
            '79 XS1100SF 20k miles
            '80 XS1100SG 44k miles
            '81 XS1100H Venturer 35k miles
            '79 XS750SF 17k miles
            '85 Honda V65 Magna ~7k miles
            '84 Honda V65 Magna 48k miles (parts bike)
            '86 Yamaha VMAX 9k miles

            Previous: '68 Motoguzzi 600cc + '79 XS750SF 22k miles +'84 Honda V65

            Comment

            • jetmechmarty
              Master of XSology
              • Nov 2003
              • 7769
              • Coldwater, Mississippi

              #7
              Apparently, the Kawasaki parts are also NLA.
              Marty (in Mississippi)
              XS1100SG
              XS650SK
              XS650SH
              XS650G
              XS6502F
              XS650E

              Comment

              • bikerphil
                Master of XSology
                • Jan 2008
                • 8640
                • South Flori-DUH

                #8
                Those caps would fit a Standard only, they have fine threads, the Special caps have coarse threads.
                2H7 (79) owned since '89
                3H3 owned since '06

                "If it ain't broke, modify it"

                Comment

                • jetmechmarty
                  Master of XSology
                  • Nov 2003
                  • 7769
                  • Coldwater, Mississippi

                  #9
                  Originally posted by bikerphil
                  Those caps would fit a Standard only, they have fine threads, the Special caps have coarse threads.
                  Thanks! That means the air caps have to stay.
                  Marty (in Mississippi)
                  XS1100SG
                  XS650SK
                  XS650SH
                  XS650G
                  XS6502F
                  XS650E

                  Comment

                  • bikerphil
                    Master of XSology
                    • Jan 2008
                    • 8640
                    • South Flori-DUH

                    #10
                    Click image for larger version  Name:	IMG_20211024_214924.jpg Views:	0 Size:	179.9 KB ID:	866905
                    Yep, just went and checked them to be sure, Standard (KYB) air caps are 1.0 thread pitch, Special (Showa) are 1.5

                    Special on the left.
                    Last edited by bikerphil; 10-24-2021, 08:00 PM. Reason: Add Pic
                    2H7 (79) owned since '89
                    3H3 owned since '06

                    "If it ain't broke, modify it"

                    Comment

                    • Charka120
                      XSive
                      • Jan 2021
                      • 89
                      • SW PA

                      #11
                      I should have been more clear. The ones I used are for the standard model which use m30x1.0 threads.

                      Comment

                      • bikerphil
                        Master of XSology
                        • Jan 2008
                        • 8640
                        • South Flori-DUH

                        #12
                        You did state they were for a Standard in your first post...

                        I'm upgrading my forks on my XS1100G with Racetech cartridge emulators and heavier springs, so I'm ditching the schrader valve fork caps for solid ones. I had a hard time finding non-air caps that would work.
                        XS1100G is a 1980 Standard.

                        The emulators are great, I have them in both my bikes with Sonic springs.
                        Last edited by bikerphil; 10-25-2021, 07:40 PM.
                        2H7 (79) owned since '89
                        3H3 owned since '06

                        "If it ain't broke, modify it"

                        Comment

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