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progressive 412 series bushing sizing

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  • progressive 412 series bushing sizing

    i need some xspertease, i dont think i made a mistake, i scored some almost new 412 progressive shocks at the right 12.5 in length,

    they were off a harley, i did notice on their website that metirc and domestic had differnent part numbers but they generallly fit a wide range of bikes in those catagories.

    my o d on the mounting studs are 14mm, the supplied bushings are 1/2 inch i d, and 5/8 o d , does anyone know if i just build up the cicumfrance of the mounting studs with some tape, to take up the slop if this is mickey mouse, any other suggestions?

    i think the supplied bushings are made out of steel and are thin walled may not have enough material to drill out to 14mm from 1/2 inch,
    progressive is not helping, they say ther ruber businh is differnet.

    or can i just leave the bushings out and used the sloppy 5/8 the way it is?

    okay and thanks in advance guys.
    Last edited by mason79; 05-16-2007, 12:11 PM.
    "a good man knows his limitations" dirty harry
    History
    85 Yamaha FJ 1100
    79 yamaha xs1100f
    03 honda cbr 600 f4
    91 yamaha fzr 600
    84 yamaha fj 1100
    82 yamaha seca 750
    87 yamaha fazer
    86 yamaha maxim x
    82 yamaha vision
    78 yamaha rd 400

  • #2
    tape

    hey mason, use some cheap feeler gauge that you can get at harbor freight or other tool store. Before doing the R1 shock mod I ran into some new harley shocks that were 150 bucks, but the R1 shock was 13 from the bay.... gauge .035 IIRC
    Last edited by xschop; 05-16-2007, 12:22 PM.
    MDRNF
    79F.....Not Stock
    80G......Not Stock Either....In the works

    Comment


    • #3
      you mean stick feeler gauges in them?

      115 bucks from ebay
      "a good man knows his limitations" dirty harry
      History
      85 Yamaha FJ 1100
      79 yamaha xs1100f
      03 honda cbr 600 f4
      91 yamaha fzr 600
      84 yamaha fj 1100
      82 yamaha seca 750
      87 yamaha fazer
      86 yamaha maxim x
      82 yamaha vision
      78 yamaha rd 400

      Comment


      • #4
        feelin it

        wrap the post with gauge and the washer holds it in place....braggin' again....13 bucks included shipping
        MDRNF
        79F.....Not Stock
        80G......Not Stock Either....In the works

        Comment


        • #5
          You can press the rubber/steel bushings out of the shocks, and substitute them with the bushing from the XS. I have done that a few times.

          Comment


          • #6
            Originally posted by John
            You can press the rubber/steel bushings out of the shocks, and substitute them with the bushing from the XS.
            That's the way I did it when I installed shorter Progressives on SWMBO's 'H to lower the seat height.
            Ken Talbot

            Comment

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