The 1973 Grand Prix motorcycle racing season was the 25th F.I.M. Road Racing World Championship season.
MV Agusta teammates Phil Read and Giacomo Agostini battled it out for supremacy of the 500cc class but the season was overshadowed by the deaths of Jarno Saarinen and Renzo Pasolini at the Italian round at Monza.The 500cc title runner-up, Kim Newcombe, also died at a non-championship race at Silverstone late in the year. Agostini claimed his 13th championship in the 350cc class. In the 250cc class, West German Dieter Braun won the crown for Yamaha. Kent Andersson gave Yamaha another title in the 125cc class while Kreidler dominated the 50cc class after the Derbi factory pulled out of racing with Dutchman Jan de Vries taking the crown.
|Round||Date||Race||Location||50cc winner||125cc winner||250cc winner||350cc winner||500cc winner||Report|
|1||April 22||French Grand Prix||Paul Ricard||Kent Andersson||Jarno Saarinen||Giacomo Agostini||Jarno Saarinen||Report|
|2||May 6||Austrian Grand Prix||Salzburgring||Kent Andersson||Jarno Saarinen||János Drapál||Jarno Saarinen||Report|
|3||May 13||West German Grand Prix||Hockenheimring||Theo Timmer||Kent Andersson||Jarno Saarinen||Teuvo Länsivuori||Phil Read||Report|
|4||May 20||Nations Grand Prix||Monza||Jan de Vries||Kent Andersson||Race cancelled||Giacomo Agostini||Race cancelled||Report|
|5||June 8||Isle of Man TT||Snaefell Mountain||Tommy Robb||Charlie Williams||Tony Rutter||Jack Findlay||Report|
|6||June 17||Yugoslavian Grand Prix||Opatija||Jan de Vries||Kent Andersson||Dieter Braun||János Drapál||Kim Newcombe||Report|
|7||June 23||Dutch TT||Assen||Bruno Kneubühler||Eugenio Lazzarini||Dieter Braun||Giacomo Agostini||Phil Read||Report|
|8||July 1||Belgian Grand Prix||Spa||Jan de Vries||Jos Schurgers||Teuvo Länsivuori||Giacomo Agostini||Report|
|9||July 15||Czechoslovakian Grand Prix||Brno||Otello Buscherini||Dieter Braun||Teuvo Länsivuori||Giacomo Agostini||Report|
|10||July 21||Swedish Grand Prix||Anderstorp||Jan de Vries||Börje Jansson||Dieter Braun||Teuvo Länsivuori||Phil Read||Report|
|11||July 29||Finnish Grand Prix||Imatra||Otello Buscherini||Teuvo Länsivuori||Giacomo Agostini||Giacomo Agostini||Report|
|12||September 23||Spanish Grand Prix||Jarama||Jan de Vries||Chas Mortimer||John Dodds||Adu Celso-Santos||Phil Read||Report|
|1||Phil Read||United Kingdom||MV Agusta||84||4|
|2||Kim Newcombe||10||New Zealand||König||63||1|
|3||Giacomo Agostini||1||Italy||MV Agusta||57||3|
|9||Ernst Hiller||West Germany||König||19||0|
|10||Alex George||United Kingdom||Yamaha||19||0|
|1||Giacomo Agostini||1||Italy||MV Agusta||84||4|
|3||Phil Read||5||United Kingdom||MV Agusta||56||0|
|5||Billie Nelson||United Kingdom||Yamaha||38||0|
|8||Dieter Braun||8||West Germany||Yamaha||33||0|
|1||Dieter Braun||West Germany||Yamaha||80||4|
|6||Chas Mortimer||United Kingdom||Yamaha||40||0|
|2||Chas Mortimer||United Kingdom||Yamaha||75||1|
|8||Rolf Minhoff||4||West Germany||Maico||42||0|
|1||Jan de Vries||2||Netherlands||Kreidler||60||5|
|4||Gerhard Thurow||West Germany||Kreidler||36||0|
|5||Henk van Kessel||Netherlands||Kreidler||27||0|
|6||Herbert Rittberger||West Germany||Kreidler||22||0|
|9||Rudolf Kunz||9||West Germany||Kreidler||14||0|
|10||Wolfgang Gedlich||West Germany||Kreidler||13||0|
Grand Prix motorcycle racing is the premier class of motorcycle road racing events held on road circuits sanctioned by the Fédération Internationale de Motocyclisme (FIM). Independent motorcycle racing events have been held since the start of the twentieth century and large national events were often given the title Grand Prix. The foundation of the Fédération Internationale de Motocyclisme as the international governing body for motorcycle sport in 1949 provided the opportunity to coordinate rules and regulations in order that selected events could count towards official World Championships. It is the oldest established motorsport world championship.
Giacomo Agostini is an Italian multi-time world champion Grand Prix motorcycle road racer. Nicknamed Ago, he amassed 122 Grand Prix wins and 15 World Championship titles. Of these, 68 wins and 8 titles came in the 500 cc class, the rest in the 350 cc class. For these achievements obtained over the course of a career spanning 17 years, the AMA described him as "...perhaps the greatest Grand Prix rider of all time". In 2010, Agostini was named an FIM Legend for his motorcycling achievements.
Jarno Karl Keimo Saarinen was a Finnish professional Grand Prix motorcycle road racer. In the early 1970s, he was considered one of the most promising and talented motorcycle racers of his era until he was killed during the 1973 Nations Grand Prix in Italy. Saarinen's death led to increased demands for better safety conditions for motorcycle racers competing in the world championships. He remains the only Finn to have won a motorcycle road racing world championship. Saarinen was inducted into the F.I.M. MotoGP Hall of Fame in 2009.
The 1967 Grand Prix motorcycle racing season was the 19th F.I.M. Road Racing World Championship Grand Prix season. The season consisted of thirteen Grand Prix races in six classes: 500cc, 350cc, 250cc, 125cc, 50cc and Sidecars 500cc. It began on 30 April, with Spanish Grand Prix and ended with Japanese Grand Prix on 15 October.
Renzo Pasolini, nicknamed "Paso", was an Italian professional motorcycle road racer. He competed in the FIM Grand Prix motorcycle racing world championships from 1964 to 1972.
The Italian motorcycle Grand Prix is a motorcycling event that is part of the Grand Prix motorcycle racing season. From 1949 to 1990 the event was known by the Italian: Gran Premio Delle Nazioni. It was one of the original rounds of the Grand Prix motorcycle racing calendar. The race was held exclusively at Monza for the first 23 years of its existence. From 1972 to 1993, the event rotated among several circuits and has been held at the Mugello Circuit since 1994.
The 1972 Grand Prix motorcycle racing season was the 24th F.I.M. Road Racing World Championship Grand Prix season. The season consisted of twelve Grand Prix races in six classes: 500cc, 350cc, 250cc, 125cc, 50cc and Sidecars 500cc. It began on 30 April, with West German Grand Prix and ended with Spanish Grand Prix on 23 September.
The 1965 Grand Prix motorcycle racing season was the 17th F.I.M. Road Racing World Championship Grand Prix season. The season consisted of thirteen Grand Prix races in six classes: 500cc, 350cc, 250cc, 125cc, 50cc and Sidecars 500cc. It began on 21 March, with United States Grand Prix and ended with Japanese Grand Prix on October, 24.
The 1966 Grand Prix motorcycle racing season was the 18th F.I.M. Road Racing World Championship Grand Prix season. The season consisted of twelve Grand Prix races in six classes: 500cc, 350cc, 250cc, 125cc, 50cc and Sidecars 500cc. It began on 8 May, with Spanish Grand Prix and ended with Japanese Grand Prix on 17 October.
The 1968 Grand Prix motorcycle racing season was the 20th F.I.M. Road Racing World Championship Grand Prix season. The season consisted of ten Grand Prix races in six classes: 500cc, 350cc, 250cc, 125cc, 50cc and Sidecars 500cc. It began on 21 April, with German Grand Prix and ended with Nations Grand Prix on 15 September. As the sidecar race was cancelled at the Nations Grand Prix, it was announced that a replacement race would be held at Hockenheimring in October alongside the German national championship.
The 1977 Grand Prix motorcycle racing season was the 29th F.I.M. Road Racing World Championship season.
The 1974 Grand Prix motorcycle racing season was the 26th F.I.M. Road Racing World Championship season.
The 1971 Grand Prix motorcycle racing season was the 23rd F.I.M. Road Racing World Championship Grand Prix season. The season consisted of twelve Grand Prix races in six classes: 500cc, 350cc, 250cc, 125cc, 50cc and Sidecars 500cc. It began on 9 May, with Austrian Grand Prix and ended with Spanish Grand Prix on 26 September.
The 1970 Grand Prix motorcycle racing season was the 22nd F.I.M. Road Racing World Championship Grand Prix season. The season consisted of twelve Grand Prix races in six classes: 500cc, 350cc, 250cc, 125cc, 50cc and Sidecars 500cc. It began on 3 May, with West German Grand Prix and ended with Spanish Grand Prix on 27 September.
Bruno Kneubühler is a Swiss former professional Grand Prix motorcycle road racer.
Hideo Kanaya was a Japanese professional motorcycle racer and motorcycle racing team manager. He competed in the Grand Prix motorcycle road racing world championships from 1967 to 1975. He dominated Japanese road racing in the early 1970s and was the first Japanese rider to win a world championship 500cc Grand Prix race. Although Kanaya was a competitive racer, he was never allowed to compete in a full season in the world championships as, his main responsibility was as a test rider in Japan.
Víctor Palomo was a Spanish world champion water skier, Grand Prix motorcycle road racer and Olympic bobsleigh pilot.
The 1977 Yugoslavian motorcycle Grand Prix was the seventh round of the FIM 1977 Grand Prix motorcycle racing season. It took place on 19 June 1977 at the Opatija Circuit. The event was marred by two fatalities, and this turned out to be the last Yugoslavian motorcycle Grand Prix at Opatija. The event moved to the further inland Rijeka Circuit.
The MV Agusta 500 four-cylinder (1973-1976) was a racing motorcycle manufactured by the Italian company MV Agusta, for competing in the 500 cc series, the premier class of the FIM World Motorcycle Championship. With this motorcycle MV Agusta won the 1973 constructor's world champion and Phil Read won the 1973 and 1974 500 cc riders world championships.
The MV Agusta 350 cc racers were motorcycles produced by MV Agusta between 1954 and 1976 and raced in the 350 cc motorcycle GP championships. 10 world titles were achieved by riders John Surtees, Gary Hocking and Giacomo Agostini on these machines.