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17 Tooth 530 Front Sprocket

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    #16
    Originally posted by Nessism View Post
    I don't understand why you want to go 17 instead of 18. Why?
    Check post #1.

    On the 17 vs 18 wear rates, while I agree with you in theory, I wouldn't be too concerned about it in the real world. Lots of modern liter bikes with vastly more HP than a GS have 16 or even 15 tooth countershaft sprockets. And with modern chains often get over 20k miles.
    '20 Ducati Multistrada 1260S, '93 Ducati 750SS, '01 SV650S, '07 DL650, '01 DR-Z400S, '80 GS1000S, '85 RZ350

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      #17
      Originally posted by Nessism View Post
      I don't understand why you want to go 17 instead of 18. Why?
      RichDesmond kinda hit the nail on the head.

      If I can find 18T 520 sprocket with the correct spline I may very well use it. However, so far I haven't found one. I'm sure they exist. 17s are easy.

      It seems the experience of folk (some on other sites) that have actually run 530/520 17T front sprockets on their GSs, is that the disadvantages don't seem of any great significance. Chewing the swing arm is my biggest concern and clearance it seems isn't a problem. Any accelerated wear rate seems to be negligible in real life.
      sigpicDarryl from Kiwiland

      1982 GSX1100S Katana
      1982 GSX750S Katana
      1982 GS650G Katana

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        #18
        Originally posted by Shin-Ken 1074 View Post


        Hi Darryl, I found these in the parts box, thought the diameter of OEM 1100 Kat sprockets may be of interest regarding swinger clearance while you are comparing 520 sprocket diameter for your 750. The 750 and 1100 have different tooth count but pretty close.

        630 42 T = 263 mm diameter.

        630 15 T = 98 mm diameter.

        Cheers.
        Thanks for the sprocket measurements, Glenn. Love your work
        sigpicDarryl from Kiwiland

        1982 GSX1100S Katana
        1982 GSX750S Katana
        1982 GS650G Katana

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          #19
          Glad to help.

          Cheers.
          Shin-Ken 1074
          82' GS1100G All weather long range & bullet proof.
          82' GSX1100SXZ Wire Wheel Katana - BOM Nov 2011

          1981 Katana 1150 Project Starting April 2021.

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            #20
            So the sprockets arrived and this the comparison between the 17/47 in 520, and the standard 15/41 in 630





            Not much in it.
            sigpicDarryl from Kiwiland

            1982 GSX1100S Katana
            1982 GSX750S Katana
            1982 GS650G Katana

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              #21
              Some years back I had a customer who changed his GSX1100 to a 17T front. After I'd dialled the cams and set it up properly his wife complained she was close to being lost off the pillion under acceleration - so he put the 17 on to soften the hit.
              I made up an 18T 520 front for the race GS1000. OE Suzuki splined center machined to take a ring of teeth from another brand front - and TIG welded. At that time I couldn't find an 18 in the Suzuki/Kawasaki spline.

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