HP measurement question

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  • MAXIMAN
    XS-XJ Guru
    • Jan 2005
    • 1817
    • As far from the government as humanly possible.

    #1

    HP measurement question

    Had a fella tell me the other day that the factory rates bikes at the clutch. I thought it was different for different manufacturers. Like I've heard Kawy rates their at the drive splines and Yammy was notorius for rating their bikes at the crank.

    But this fella seemed to indicate most all bikes were rated at the clutch. Maybe I misunderstood him. Is this correct?
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