Which year did Harley-Davidson finish first and third in the 250cc world championship? Water Villa and Franco Bonera were the riders.
Harley-Davidson Harley-Davidson, Inc. (H-D), or Harley, is an American motorcycle manufacturer, founded in Milwaukee, Wisconsin in 1903.
Duilio Agostini Duilio Agostini (8 April 1926 – 12 April 2008) was an Italian Grand Prix motorcycle road racer. He had his best year in 1955 when he won the 350cc French Grand Prix and finished the season in seventh place in the 350cc world championship.