four-stroke

  1. C

    Rule Book Interpretations

    I really struggle with the ASRA/CCS rule book sometimes. All I want to know is what freaking races the RC 390 can compete in so I can sign up! Here is what I know: B. KTM RC390 Cup machines are allowed to compete in SuperSport. Here is what I don't know: 300 or 500? This tells me that it'd...
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