Race tech .90 fork springs

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  • Rob S.
    Forum Guru
    Past Site Supporter
    • Dec 2013
    • 9407
    • New York City
    #1

    Race tech .90 fork springs

    Any thoughts on RaceTech .90 fork springs for the bike below? 175 lbs all geared up.

    Original rate is .575; RaceTech non-progressive springs for the bike are available from .80 to 1.0, IIRC.
    1982 GS1100E V&H "SS" exhaust, APE pods, 1150 oil cooler, 140 speedo, 99.3 rear wheel HP, black engine, '83 red

    2016 XL883L sigpic Two-tone blue and white. Almost 42 hp! Status: destroyed, now owned by the insurance company. The hole in my memory starts an hour before the accident and ends 24 hours after.
    Tags: None
    • posplayr
      Forum LongTimer
      GSResource Superstar
      Past Site Supporter
      • Dec 2007
      • 23673
      • Tucson Az
      #2
      Originally posted by Rob S.
      Any thoughts on RaceTech .90 fork springs for the bike below? 175 lbs all geared up.

      Original rate is .575; RaceTech non-progressive springs for the bike are available from .80 to 1.0, IIRC.
      They have a spreadsheet to calf spring rate on the rT website.

        Comment

        • Gregory
          Forum Sage
          Past Site Supporter
          • Sep 2012
          • 2064
          • Southlake - DFW - North Texas
          #3
          I saw those on CL also, butneed 1.0 or 1.1. Sonic or progressives are about $20 more brand new, but I don't know if they are any different than that brand.
          82 gs1100e FAUX Skunk
          80 gs1000s

            Comment

            • Guest
              #4
              Originally posted by Rob S.
              Any thoughts on RaceTech .90 fork springs for the bike below? 175 lbs all geared up.

              Original rate is .575; RaceTech non-progressive springs for the bike are available from .80 to 1.0, IIRC.
              Years ago I modified a set of Progressive springs to get a rate of 0.92kg/mm for my 1100E. They were still too soft for my taste, but that is all there was available at the time. Personally I would go with 1.0kg/mm springs myself for your weight.


              Mark

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                • Missile99
                  Forum Mentor
                  Past Site Supporter
                  • Jul 2011
                  • 317
                  • Cape Coral, FL
                  #5
                  I'm getting .90 spring rate for my 550 and about the same weight geared up, maybe a shade less. I want a good firm ride. I'd think it'd be too soft for your bike.
                  Erik

                  1982 GS550M

                  Dyna S, Dyna greens, coil relay mod w/LED, Sonic Springs (.90)

                    Comment

                    • Rob S.
                      Forum Guru
                      Past Site Supporter
                      • Dec 2013
                      • 9407
                      • New York City
                      #6
                      Originally posted by Missile99
                      I'd think it'd be too soft for your bike.
                      Hope not.

                      We could always add a few pounds of air (I was running high 20 pounds to keep from bottoming out!)

                      The plan is to try running her with zero air.
                      1982 GS1100E V&H "SS" exhaust, APE pods, 1150 oil cooler, 140 speedo, 99.3 rear wheel HP, black engine, '83 red

                      2016 XL883L sigpic Two-tone blue and white. Almost 42 hp! Status: destroyed, now owned by the insurance company. The hole in my memory starts an hour before the accident and ends 24 hours after.

                        Comment

                        • Missile99
                          Forum Mentor
                          Past Site Supporter
                          • Jul 2011
                          • 317
                          • Cape Coral, FL
                          #7
                          It might be just fine for you and better than your old stuff even without any added air pressure. My setup will be quite stiff and your bike really isn't that much heavier.
                          Erik

                          1982 GS550M

                          Dyna S, Dyna greens, coil relay mod w/LED, Sonic Springs (.90)

                            Comment

                            • Rob S.
                              Forum Guru
                              Past Site Supporter
                              • Dec 2013
                              • 9407
                              • New York City
                              #8
                              I'm going to be like a kid in a candy store - oil cooler, new fork springs, tires, sprockets and chain, maybe new wheel bearings, stock horn repaired and even new hand grips!

                              I won't know where to look first. I guess I'll just...ride. With an eye on my newly lowered oil temps (I hope!).
                              1982 GS1100E V&H "SS" exhaust, APE pods, 1150 oil cooler, 140 speedo, 99.3 rear wheel HP, black engine, '83 red

                              2016 XL883L sigpic Two-tone blue and white. Almost 42 hp! Status: destroyed, now owned by the insurance company. The hole in my memory starts an hour before the accident and ends 24 hours after.

                                Comment

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