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  2. AMA Motocross Championship | Wikipedia

    en.wikipedia.org/wiki/AMA_Motocross_Championship

    The AMA Motocross Championship (commercially known as Pro Motocross Championship) is an American motorcycle racing series. The motocross race series was founded and sanctioned by the American Motorcyclist Association (AMA) in 1972. [ 1 ] The series is the major outdoor motocross series in the United States and is sanctioned by AMA Pro Racing ...

  3. American Flat Track | Wikipedia

    en.wikipedia.org/wiki/American_Flat_Track

    American Flat Track is an American motorcycle racing series. [1] The racing series, founded and sanctioned by the American Motorcyclist Association (AMA) in 1954, originally encompassed five distinct forms of competitions including mile dirt track races, half-mile, short-track, TT steeplechase and road races. [2][3] The championship was the ...

  4. American Motorcyclist Association | Wikipedia

    en.wikipedia.org/wiki/American_Motorcyclist...

    www.americanmotorcyclist.com. The American Motorcyclist Association (AMA) is an American nonprofit organization of more than 200,000 motorcyclists that organizes numerous motorcycling activities and campaigns for motorcyclists' legal rights. Its mission statement is "to promote the motorcycling lifestyle and protect the future of motorcycling."

  5. 1971 Trans-AMA motocross series | Wikipedia

    en.wikipedia.org/.../1971_Trans-AMA_motocross_series

    The 1971 Trans-AMA motocross series was the second annual international series established by the American Motorcyclist Association as a pilot event to help establish motocross in the United States. The motocross series was an invitational based on a 500cc engine displacement formula, run on American tracks featuring the top riders from the F.I ...

  6. List of Trans-AMA motocross champions | Wikipedia

    en.wikipedia.org/wiki/List_of_Trans-AMA...

    The following is a list of Trans-AMA Champions, from 1970 to 1978. The championship was an international series established by the American Motorcyclist Association as a pilot event to help establish motocross in the United States. The series was based on a 500cc engine displacement formula, although the first year of the event featured both ...

  7. 1974 AMA Motocross National Championship season | Wikipedia

    en.wikipedia.org/wiki/1974_AMA_Motocross...

    The AMA Motocross continued to expand in 1974 with the addition of the 125cc class. [1] The AMA made a controversial decision allowing only American citizens to compete for the motocross national championship. [1] The decision would exclude the defending 500cc national champion Dutchman Pierre Karsmakers who, was credited with helping raise the ...

  8. 1973 AMA Motocross National Championship season | Wikipedia

    en.wikipedia.org/wiki/1973_AMA_Motocross...

    Although Karsmakers was a Dutch citizen, he was competing under an AMA license so, he was listed as the "Top American" finisher in the Trans-AMA series. After winning the 1972 250cc national championship on a Yamaha, Gary Jones was hired by Honda to help develop their new Honda CR250M motocross bike for the 1973 season.

  9. AMA Supercross Championship | Wikipedia

    en.wikipedia.org/wiki/AMA_Supercross_Championship

    www.supercrosslive.com. Current season. The AMA Supercross Championship (commercially known as Monster Energy AMA Supercross) is an American motorcycle racing series. Founded by the American Motorcyclist Association (AMA) in 1974, the AMA Supercross Championship races are held from January through early May. Supercross is a variant of motocross ...