The Canadian Motocross Nationals began in 1974, establishing a competitive platform for motocross racing in Canada. Over the years, the series has grown significantly in popularity and prestige, attracting talented riders from across the country and beyond. The nationals are organized by the Canadian Motorcycle Association (CMA) and have become a key event in the Canadian motorsport calendar.
AMA U-S- Motocross Nationals - 1990 was released on: USA: 25 March 1990
AMA United States Motocross Nationals - 1990 was released on: USA: 25 March 1990
$100,000,000
1762
Chris Shipclark was number 8 in Canada in the 1990-1991 Motocross series
you go to WWW.addictinggames.com
1902
Don't know about a total for the year but this is from Motocross Action mag, In 2008 James made at least $2,236,000 during the 12 AMA Nationals.
Montreal
1947
No, acutally your supposed to start when your small but if you want to do motocross get a 250 2 stroke or a 450 4 stroke and compete in National races and get sponsored.
The AMA was formed in 1924 but it wasn't until 1969 before the AMA ran its first professional motocross race.