Beaubier claims sixth AMA Superbike title, as several others capture championships Photo Credit: MotoAmerica The American Motorcyclist Association congratulates the MotoAmerica champions, who were crowned at the season finale at New Jersey Motorsports Park in Millville, N.J., Sept. 26-28. “The MotoAmerica season is always filled with tremendous racing action and down-to-the-wire competition for AMA championships,”