Which year did Harley-Davidson finish first and third in the 250cc world championship? Water Villa and Franco Bonera were the riders.
Franco Bonera Gianfranco Bonera (born April 2, 1945, in Porpetto, Province of Udine) is an Italian former Grand Prix motorcycle road racer. His best year was in 1974 when he won the Nations Grand Prix and finished second to his MV Agusta teammate, Phil Read, in the 500cc world championship. He switched to the 250cc class in 1976, racing for the Harley-Davidson factory racing team on Aermacchi machines rebadged after being purchased by the American firm. He won the 250cc Spanish Grand Prix and finished the season in third place behind his Harley-Davidson teammate, Walter Villa and Yamaha's Takazumi Katayama.
Giacomo Agostini Giacomo Agostini (born 16 June 1942) is an Italian multi-time world champion Grand Prix motorcycle road racer. Nicknamed Ago, with an absolute record of 122 Grand Prix wins and 15 World Championships titles. Of these, 68 wins and 8 titles came in the 500cc class, the rest in the 350cc class.