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.
Bert Schneider (motorcyclist) Bert Schneider (29 August 1937 – 2 July 2009) was a Grand Prix motorcycle road racer from Austria. His best years were in 1962 when he finished fourth place in the 500 cc world championship, and in 1964 when he finished fourth in the 125 cc world championship. He won one Grand Prix race during his career, the 1963 125 cc Belgian Grand Prix.