450/550 Mag rotor diameter

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  • Gammaboy
    • Mar 2026

    #1

    450/550 Mag rotor diameter

    Can someone measure the outside diameter of the 450/550 mag rotor for me?
    Thanks
    Last edited by Guest; 08-29-2014, 12:57 AM.
  • Big Rich

    #2
    Have a look here:

    http://www.metalgear.com.au/

    On the left side of the page, use the "search by bike" option. They give great dimensions for all kinds of rotors.

    Comment

    • Gammaboy

      #3
      Magneto rotor, not brake rotor. Thanks anyway.

      Comment

      • tom203
        Forum Guru
        Past Site Supporter
        • Aug 2010
        • 8925
        • Norway,Maine

        #4
        Likely same size as my 650 (stator is same size): 118mm outside diameter
        1981 gs650L

        "We are all born ignorant, but you have to work hard to stay stupid" Ben Franklin

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        • Guest

          #5
          Hey Gammaboy, didn't realise you were over here! PeteGS on KA forum

          I have a weep somewhere around my sprocket cover or stator cover area... if it's the stator cover and I have to rip it off at the next service I'll give it a measure for you. Should be a week or two after the 6th September run.

          Comment

          • Gammaboy

            #6
            Pete - no stress, they're the same part as the 650 I believe, so as answered above by Tom203.
            Thanks Guys.

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            • Guest

              #7
              Too easy Gamma!

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              • landshark

                #8
                Ive got a 550 one at home, ill try to check tonight to confirm for you.

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