camshaft markings

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  • rare_redneck
    • Feb 2026

    #1

    camshaft markings

    i have search and not finding the info I think I need. I have two gs750 16 valve motors. with the vale covers off i noticed the cams are stamper R! and R2. one motor has intake R! exhaust R2, the other motor has intake R2 Exhaust R1, does this tell me anything about the cams. or am I just overthinking the whole thing?
  • rare_redneck

    #2
    got a new question now. pulled head and wanting to know (if anyone can tell me) why the head gasket has square bores
    for a round piston?

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    • Nessism
      Forum LongTimer
      GSResource Superstar
      Past Site Supporter
      Super Site Supporter
      • Mar 2006
      • 35790
      • Torrance, CA

      #3
      Originally posted by rare_redneck
      got a new question now. pulled head and wanting to know (if anyone can tell me) why the head gasket has square bores
      for a round piston?
      Look at the head.
      Ed

      To measure is to know.

      Mikuni O-ring Kits For Sale...https://www.thegsresources.com/_foru...ts#post1703182

      Top Newbie Mistakes thread...http://www.thegsresources.com/_forum...d.php?t=171846

      Carb rebuild tutorial...https://gsarchive.bwringer.com/mtsac...d_Tutorial.pdf

      KZ750E Rebuild Thread...http://www.thegsresources.com/_forum...0-Resurrection

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      • rare_redneck

        #4
        well now I feel stupid. thanks for the help nessism

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