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@racerxonline
We've begun our 25-Day Countdown to the #MXGP of the USA by looking back on 25 memorable #USGP races. First up is the first 500cc GP at @carlsbadraceway in #1973 #motocross #moto #thisismoto #dirtbike @racerxonline

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    Tags, Events, and Projects
    • thisismoto
    • usgp
    • mxgp
    • motocross
    • dirtbike
    • 1973
    • moto