125cc 1970 1971 1972 1973 250cc 350 350cc 500cc 50cc Aerautodromo di Modena Ähvenisto Albin Sterbenz Amsterdam Anderstorp Assen Austria Austrian Grand Prix Autodromo Enzo e Dino Ferrari Belgium Benelli Börje Jansson Brno Charade Circuit Bugatti at Garage Vert Clermont-Ferrand Czechoslovakia Daytona Daytona International Speedway Dundrod Circuit East Germany Fantic Finland Finland Grand Prix France French Grand Prix General Germany Hämeenlinna Hengelo Hideo Kanaya Hockenheim Imatra Imola Imola 200 International Gold Cup Ireland Italy Japan Jarama Jerez Keimola Le Mans Leicestershire Mallory Park Martti Pesonen Masaryk-Ring Mettet Misano circuit Modena Monza Moto Guzzi Motor Show Nations Grand Prix Nürburgring Oldebroek Oliver's Mount Scarborough Ontario Opatija Ospedaletti Paul Ricard Pesaro Portrait Puch 125 6Gg Pyynikki Question Race cancelled Race of the Year Riviera di Cesenatico Ruissalo Sachsenring Salzburgring San Remo Silverstone Spa Francorchamps Spain Sweden Tampere Teuvo Länsivuori The Netherlands Turku Ulster United KIngdom Unknown Väinölänniemi Varsselring Villa Fastiggi circuit West Germany Grand Prix World Champion Yugoslavia Zolder