Piston Pin Buttons?

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  • madmikeracing

    #16
    I also prefer the Teflon Glass filled Buttons, I have had some issues with cir clips in one engine, I always install them burr side out (smooth side against the wrist pin!) Actually had one come out pin nailed the liner, wasn't nice, I do drive the bejeezus out of my street bikes though, With buttons you dont have any worries assuming the rods are straight!!! Mike

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    • trippivot
      Forum Sage
      Past Site Supporter
      • Aug 2006
      • 2815
      • Des Moines , IA

      #17
      The engine building secret is this. the opening of the circlip HAS to be located at 12 o'clock or 6 o'clock PERIOD.
      SUZUKI , There is no substitute

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      • ArttuH
        Forum Mentor
        • Jul 2005
        • 300
        • Finland

        #18
        Every now and then I see/hear comments that the buttons may cause glazing of the bore walls in long term street use. I wonder if there is any truth behind this?
        Arttu
        GS1100E EFI turbo
        Project thread

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        • rapidray
          Forum Guru
          GSResource Superstar
          • Oct 2006
          • 8195
          • So Cal

          #19
          Originally posted by ArttuH
          Every now and then I see/hear comments that the buttons may cause glazing of the bore walls in long term street use. I wonder if there is any truth behind this?
          Not with Teflon buttons. I've seen issues with aluminum buttons if the pin got stuck to one side & wouldn't move.
          Ray.

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