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Will these shocks fit an 80G

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  • Will these shocks fit an 80G

    I assume they are the correct length? What about the grommet rubber, I assume there is different sizes? The owner say the spring rate is: 210/250 lbs/in. I am 240 lbs and I ride hard (sometimes), is that adequate?

    http://www.kijiji.ca/v-motorcycle-pa...ale/1064737551

    Thanks
    1980 G
    Jardine Spaghetti

    http://s1337.photobucket.com/user/Ug...ish/slideshow/

  • #2
    Probably not a direct fit. If they are for Harley Davidson, the eyelet size is probably 12MM, ours is 14MM, the length is correct. The spring rate is heavy duty. The width of the eyelet may be too wide, hard to tell from the pics.
    They of course could be modified to fit your bike if you feel like grinding/drilling, I have Harley Dyna shocks on my F model and made them fit. They ride nice.
    2H7 (79) owned since '89
    3H3 owned since '06

    "If it ain't broke, modify it"

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    • #3
      Thanks for the info, I will pass on these and keep looking.
      1980 G
      Jardine Spaghetti

      http://s1337.photobucket.com/user/Ug...ish/slideshow/

      Comment


      • #4
        Those will fit, but there will be just a bit of work needed. Progressive shocks have the right size shock stub holes (for Harley use, they come with adaptor sleeves/spacers that you won't need). The eyes also narrower than OEM Harley shocks, so you won't have to mod them there either. You will need to come up with an adaptor to reduce the hole size at the swingarm mount with it's smaller bolt (you can also drill the swingarm for a 1/2" or 14mm bolt) and they may have 'offset' eyes so you'll need to pay attention to which way you install the offset.

        Those are also 'standard' Harley length (not the stiff 'lowering' shocks), you'd need a part number to determine if they're 'standard' or 'heavy duty' springs. The standard springs are roughly equal to OEM Yamaha, the HD springs can be a bit stiff unless you ride two-up or ride a dressed XS.

        Good price for new-in-box...
        Last edited by crazy steve; 08-06-2015, 01:56 PM.
        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...

        Comment


        • #5
          I copied and googled Progressive Suspension 412 series shocks

          put in 1980 yamaha xs1100 std and it gave me this http://www.progressivesuspension.com...-series-shocks
          which kinda maybe looks a lot like this
          http://www.kijiji.ca/v-motorcycle-pa...ale/1064737551
          Seamus Ó hUrmholtaigh
          Niimi Moozhwaagan

          NOTICE: No trees were destroyed in the sending of this message. We do concede, however, that a significant number of electrons may have been inconvenienced.

          Any connection between your reality and mine is purely coincidental.


          Member of "FOXS-11" (Former Owner of XS-11)
          and SOXS
          2008 Nomad "Deja Buick'

          Comment


          • #6
            The owners sent me a photo of the box, the sticker reads :

            28494
            Chrome 12.6
            412 Series
            For FXD/L models from 1993-1997 and FXDWG 1993-1997
            412-4038C
            Standard top and bowtie bottom cover

            Is there anyway I can install the without drilling into the swingarm?
            1980 G
            Jardine Spaghetti

            http://s1337.photobucket.com/user/Ug...ish/slideshow/

            Comment


            • #7
              The second link shows shocks that are not "progressively wound." I have always been happy with stock rear shocks which are a linear rate I think.
              Skids (Sid Hansen)

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

              Comment


              • #8
                Originally posted by 1887 View Post
                ...Is there anyway I can install them without drilling into the swingarm?
                Sure, get a bushing to reduce the hole in the shock eye down to the size of the stock XS mounting bolt. If you bought a set for the XS from Progressive, that's what you'd get. You might even contact them, maybe you could buy one from them. Otherwise, this would be a simple job on a lathe or you might even be able to find something to work at a decent hardware/bolt store.
                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...

                Comment


                • #9
                  Try Ace HW.
                  Skids (Sid Hansen)

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

                  Comment

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