1974 Trans-AMA motocross series

The 1974 Trans-AMA motocross series was the fifth 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.M.

Suzuki factory rider Roger De Coster claimed the championship with four overall victories.

His Suzuki teammate, Dutchman Gerrit Wolsink took second place along with one overall victory.

[1][2][3] Oct. 6, 1974, Unadilla, New York Oct. 13, 1974, Linnville, Ohio Oct. 20, 1974, Gainesville, Georgia Oct. 27, 1974, Orlando, Florida Nov. 10, 1974, Whitney, Texas Nov. 17, 1974, Puyallup, Washington Nov. 24, 1974, Livermore, California Dec. 1, 1974, Saddleback, California