1971 Grand Prix motorcycle racing season Jack Findlay's victory at the 1971 Ulster Grand Prix not only marked the first victory for a Suzuki motorcycle in the premier 500cc class, but also the first-ever 500cc class victory for a motorcycle powered by a two stroke engine. Kawasaki won their first 500cc class victory at the season ending Spanish Grand Prix at Jarama when Dave Simmonds won the race after Agostini sat out the event after already winning the championship. The inaugural Austrian Grand Prix was held at the new high-speed Salzburgring. Points were awarded to the top ten finishers in each race. Only the best of
Portuguese Grand Prix Portuguese Grand Prix The Portuguese Grand Prix ("Grande Prémio de Portugal") was a motorsports event held for several years, mostly in the 1950s and then in the 1980s and 90s. It was a Formula One race between and and between and . The first event was held on the Boavista street course in Porto on 17 June 1951 as a sports car race. The Grand Prix was moved to Monsanto Park, Lisbon, in 1954 as a one-off. Monsanto, like the Boavista circuit was a hazardous street circuit lined with trees and had lots of elevation change and fast sweepers; but