Nürburgring
Nürburgring
May 2, 1971
Germany
Austrian Grand Prix
Salzburgring
May 9, 1971
Austria
West Germany Grand Prix
Hockenheim
May 16, 1971
Germany
Ruissalo Grand Prix
Turku
May 30, 1971
Finland
Ähvenisto
Hämeenlinna
June 18, 1971
Finland
Dutch TT
TT Circuit Assen
June 26, 1971
Netherlands
Belgium Grand Prix
Spa Francorchamps
July 4, 1971
Belgium
East Germany Grand Prix
Sachsenring
July 11, 1971
Germany
Czechoslovakia Grand Prix
Automotodrom Brno - Masaryk-Ring
July 18, 1971
Czechoslovakia
Swedish Grand Prix
Anderstorp
July 25, 1971
Sweden
Finland Grand Prix
Imatra
August 1, 1971
Finland
Keimola
Keimola
August 4, 1971
Finland
Oldebroek
Oldebroek
August 7, 1971
Netherlands
Ulster Grand Prix
Dundrod Circuit
August 14, 1971
Northern Ireland
Silverstone
Silverstone
August 22, 1971
United Kingdom
Hengelo Races
Varsselring
August 29, 1971
Netherlands
Pyynikki TT
Tampere
September 5, 1971
Finland
Nations Grand Prix
Monza
September 12, 1971
Italy
Race of the Year
Mallory Park, Leicestershire
?, 1971
United Kingdom
Spanish Grand Prix
Jarama
September 26, 1971
Spain
Ospedaletti
San Remo Ospedaletti
October 10, 1971
Italy
Moto Guzzi tests
Monza
winter of 1971
Italy
