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600 & 750 fork differences

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  • 600 & 750 fork differences

    I know the forks are different on the 89-97 600 (KYB) & 750 (Showa). The spring rate for the 750 is 0.629kg/mm but RaceTech does not list it for the 600. I have reworked 600 forks on one of my GS's but not sure which ones are on my other GS, I think they are 750.

    Anyone know how to tell?

    The fork lowers in question are charcoal in color and there is S254-L SA-2 embossed on the left fork.
    Common sense is not very common.

  • #2
    As far as I kow, all the forks I've ever seen on the early Kats, 600's AND 750's, 89-97, are ALL the same!

    Only difference I've ever noted was lower color...............

    I've worked on about 100 so the last two years. I have about 10 sets of bent forks here now from the 89-97 Kats, and I also have 6 bikes. ALL those froks are the same too.

    41mm, all the same length, same top caps, same brake bolt positions, etc.
    I've owned over 70 Katanas - you think I know anything about them?
    Is there such a thing as TOO MANY BIKES?
    Can you go TOO FAST on a bike?
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    • #3
      RaceTech has the forks listed as made by different manufactures, 600 (KYB) & 750 (Showa). The external dims are the same but internals must be different since different emulator part numbers are used. Do the internals look the same to you?
      Common sense is not very common.