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  1. #1

    Whats the top speed on a 99stx 900

    I bought a 99 stx with a blown engine, I built the engine and took it to the lake, on the display it will only run 39 mph @ 7200 rpms. Is the gauge accurate? It runs great but my 96 slt-780 will spank my 900. Does anyone know what the top speed is supposed to be??

  2. #2
    I used to have a kawi 900stx. Topped out at 50mph.

  3. #3
    thesepaperwings's Avatar
    Join Date
    May 2007
    South East Kansas
    They should both be right at or around 50

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