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I bought a 02 Yamaha MM from a user here over 5 yrs ago. I inquired to him about the clutching but never got an answer. So here is my question to all you experts. I am trying to duplicate the clutching on this machine to my other 02 MM and my sons 00 MM. My primary and secondary spring are a metalic blue and the weights appear to have been changed to 17.2mm in the middle hole on the arm. All of the machines engage at around 4.5 grand. Can anyone tell me what clutch kit or spring might be on my machine. Thanks