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词条 1973 FIM Motocross World Championship
释义

  1. Summary

     500cc championship  250cc championship 

  2. Grands Prix

      500cc[5][9]    250cc[10][11]  

  3. Final standings

  4. References

  5. External links

{{Motorsport season
|link = FIM Motocross World Championship
|title = Motocross World Championship
|year = 1973
}}

The 1973 FIM Motocross World Championship was the 17th F.I.M. Motocross Racing World Championship season.

Summary

500cc championship

Roger De Coster won his third consecutive 500cc world championship for Suzuki ahead of West German rider, Willy Bauer. The championship wasn't decided until the final race in the Netherlands, when Bauer suffered a mechanical breakdown, losing the championship to De Coster by two points.[1] Kawasaki joined the world championships with Brad Lackey in the 500cc class and Torleif Hansen in the 250cc class.

Suzuki's defense of the 500cc world championship was dealt a setback when, the FIM announced a new motorcycle minimum weight limit of 209 pounds just before the start of the season.[2] European motorcycle manufacturers competing in the championship complained to the FIM that Suzuki was spending millions of dollars to build lightweight motorcycles that the smaller European manufacturers found impossible to compete with.[2] Suzuki had already developed and built their race bikes so, there was no time to build new bikes. As a result, Suzuki resorted to adding ballast to the bikes.[2] Unfortunately, these alterations threw the bikes out of balance and caused them to lose traction.[2][3] To make matters worse, Maico and Yamaha had developed new rear suspensions with longer travel which helped transfer power to the rear wheel over rough terrain.[2][3] The Suzuki management felt they were being unjustly treated by the FIM and were slow to react to developments by the other manufacturers.[2][3][4]

Most of the Western European riders boycotted the Austrian 500cc round due to heavy snow on the track.[5] As the season got underway, Yamaha's new "monoshock" rear suspension began to make an impact with Christer Hammargren winning a moto and Jaak van Velthoven taking the overall win at the Finnish Grand Prix.[2] De Coster won both motos of the Italian Grand Prix but, Bauer came back with a hard fought victory in Czechoslovakia, relegating De Coster to second place in both motos and took the lead in the championship points tally.[2] Bauer then took control of the championship by winning 5 out of the next 6 motos.[5] Suzuki management's frustration at their perceived unfair treatment led to a lapse in support and, Suzuki team riders De Coster and Sylvain Geboers then took matters into their own hands by modifying their motorcycle's frames and developed new rear suspensions.[2][3]

Going into the final race of the season at Sint Anthonis, Holland, Bauer was still holding the points lead but, the Suzukis were showing improvement. The Sint Anthonis track was composed of deep sand which robbed engines of power and increased fuel consumption.[2] A Suzuki engineer calculated that their bike's gas tanks did not have sufficient capacity to finish the race.[2] De Coster then took one of their tanks and drove two and a half hours to have the tank modified to increase its volume.[2] He then drove back in time for the race. Despite having little sleep, De Coster scored two fourth-place finishes while Bauer suffered a mechanical failure handing De Coster his third consecutive 500cc world championship.[2]

250cc championship

Håkan Andersson won the 250cc world championship to give Yamaha its first motocross world championship. Yamaha's new and innovative rear suspension with a single shock absorber made its debut at the third round in Belgium and was proven to be successful when Andersson won the overall victory.[6] The new suspension design would go on to revolutionize the sport.[6] Jim Pomeroy riding a privateer Bultaco, became the first American rider to win an overall victory in an FIM Motocross Grand Prix race when he won the season opening Spanish Grand Prix.[7] His victory also marked the first Grand Prix victory for the Bultaco factory.[8] Competitors from nine different manufacturers placed in the top ten of the 250cc championship final standings, reflecting the thriving vitality of the sport of motocross.

Grands Prix

500cc[5][9]

RoundDateGrand PrixLocationRace 1 WinnerRace 2 WinnerOverall WinnerReport
1 April 1France}} French Grand Prix TarareSweden}} Christer HammargrenBelgium}} Roger De CosterNetherlands}} Gerrit Wolsink Report
2 April 15Austria}} Austrian Grand Prix SittendorfCzechoslovakia}} Jiri StodulkaCzechoslovakia}} Jiri StodulkaCzechoslovakia}} Jiri Stodulka Report
3 May 20Finland}} Finnish Grand Prix RuskeasantaSweden}} Christer HammargrenBelgium}} Roger De CosterBelgium}} Jaak van Velthoven Report
4 May 27Italy}} Italian Grand Prix PineroloBelgium}} Roger De CosterBelgium}} Roger De CosterBelgium}} Roger De Coster Report
5 June 3Czechoslovakia}} Czechoslovakian Grand Prix HoliceGermany}} Willy BauerGermany}} Willy BauerGermany}} Willy Bauer Report
6 June 24USA}} United States Grand Prix CarlsbadGermany}} Willy BauerGermany}} Willy BauerGermany}} Willy Bauer Report
7 July 15Germany}} West German Grand Prix BielsteinGermany}} Willy BauerBelgium}} Roger De CosterBelgium}} Roger De Coster Report
8 August 5Belgium}} Belgian Grand Prix NamurGermany}} Willy BauerGermany}} Willy BauerGermany}} Willy Bauer Report
9 August 12Luxembourg}} Luxembourg Grand Prix EttelbruckSweden}} Åke JonssonSweden}} Åke JonssonSweden}} Åke Jonsson Report
10 August 12Netherlands}} Dutch Grand Prix Sint AnthonisSweden}} Åke JonssonNetherlands}} Gerrit WolsinkSweden}} Åke Jonsson Report

250cc[10][11]

RoundDateGrand PrixLocationRace 1 WinnerRace 2 WinnerOverall WinnerReport
1 April 8Spain}} Spanish Grand Prix SabadellUSA}} Jim PomeroyGermany}} Adolf WeilUSA}} Jim Pomeroy Report
2 April 15Italy}} Italian Grand Prix SerramazzoniFinland}} Heikki MikkolaUSSR}} Pavel RulevGermany}} Adolf Weil Report
3 April 29Belgium}} Belgian Grand Prix WuustwezelFinland}} Heikki MikkolaSweden}} Håkan AnderssonSweden}} Håkan Andersson Report
4 May 6Switzerland}} Swiss Grand Prix PayerneSweden}} Håkan AnderssonSweden}} Håkan AnderssonSweden}} Håkan Andersson Report
5 May 13Poland}} Polish Grand Prix SzczecinSweden}} Håkan AnderssonSweden}} Håkan AnderssonSweden}} Håkan Andersson Report
6 May 20Yugoslavia}} Yugoslavian Grand Prix Orehova vasUSSR}} Guennady MoisseevSweden}} Håkan AnderssonUSSR}} Guennady Moisseev Report
7 June 17France}} French Grand Prix CasselGermany}} Adolf WeilSweden}} Håkan AnderssonGermany}} Adolf Weil Report
8 August 5Finland}} Finnish Grand Prix HyvinkääSweden}} Håkan AnderssonSweden}} Håkan AnderssonSweden}} Håkan Andersson Report
9 August 12USSR}} Russian Grand Prix LeningradGermany}} Adolf WeilGermany}} Adolf WeilGermany}} Adolf Weil Report
10 August 19Sweden}} Swedish Grand Prix UlricehamnSweden}} Håkan AnderssonSweden}} Håkan AnderssonSweden}} Håkan Andersson Report
11 August 26Austria}} Austrian Grand Prix LaunsdorfGermany}} Adolf WeilFinland}} Heikki MikkolaGermany}} Adolf Weil Report

Final standings

{{col-begin}}{{col-break}}
500cc[1][5]
PosRiderTeamPoints
1Belgium}} Roger De Coster Suzuki145
2Germany}} Willy Bauer Maico143
3Belgium}} Jaak van Velthoven Yamaha122
4Sweden}} Åke Jonsson Yamaha109
5Netherlands}} Gerrit Wolsink Maico105
6Sweden}} Christer Hammargren Yamaha87
7Czechoslovakia}} Jiri Stodulka ČZ56
8Germany}} Werner Schutz Maico56
9Czechoslovakia}} Oldrich Hamrsmid ČZ45
10Czechoslovakia}} Otakar Toman ČZ45
11Great Britain}} John Banks BSA36
12Sweden}} Bengt Åberg Husqvarna35
13USA}} Brad Lackey Kawasaki26
14Netherlands}} Frans Sigmans Yamaha24
15Austria}} Walter Leitgeb Puch22
16USSR}} Anatoly Botchkov ČZ20
17Sweden}} Bert-Ove Wallner Husqvarna16
18Austria}} Friedrich Schiechtl Husqvarna13
19Italy}} Giuseppe Cavallero Maico12
20USSR}} Vladimir Ovchinnikov ČZ12
21Great Britain}} Vic Eastwood Maico / AJS12
22Netherlands}} Peter Willems Yamaha10
23Switzerland}} Fritz Graf Yamaha9
24Belgium}} Willy van Loon ČZ8
25Italy}} Paolo Piron Husqvarna / Bultaco7
26France}} Daniel Péan Maico6
27Netherlands}} Pierre Karsmakers Yamaha6
27Belgium}} Yvan Van den Broeck Husqvarna / Maico6
29Sweden}} Arne Lindfors Yamaha5
30USA}} John DeSoto ČZ5
31USSR}} Nikolai Efimov ČZ5
32Austria}} Siegfried Lerner KTM4
32France}} Serge Bacou Bultaco4
32Netherlands}} Tiny Van Erp Maico4
35Belgium}} Raymond Heeren Maico4
35Belgium}} Julien de Roover ČZ4
37USSR}} Anatoly Mandritchenko ČZ4
37Sweden}} Arne Kring Husqvarna4
38Italy}} Alberto Angiolini Maico3
39Czechoslovakia}} Zdenek Strnad ČZ3
41USSR}} Viatcheslav Krasnotchekov ČZ1
41USA}} Jimmy Weinert Kawasaki1
{{col-break}}
250cc[12][13]
PosRiderTeamPoints
1Sweden}} Håkan Andersson Yamaha177
2Germany}} Adolf Weil Maico157
3Finland}} Heikki Mikkola Husqvarna143
4Sweden}} Torleif Hansen Kawasaki111
5USSR}} Guennady Moisseev KTM104
6Czechoslovakia}} Jaroslav Falta CZ86
7USA}} Jim Pomeroy Bultaco71
8USSR}} Pavel Rulev KTM49
9Sweden}} Uno Palm Puch49
10Finland}} Kalevi Vehkonen Montesa43
11Germany}} Hans Maisch Maico35
12USSR}} Leonid Shinkarenko CZ35
13USSR}} Evgeniy Rybalchenko CZ32
14Belgium}} Harry Everts Puch30
15Czechoslovakia}} Antonin Baborowsky CZ27
16Belgium}} Jean-Claude Laquaye Yamaha27
17Japan}} Torao Suzuki Yamaha24
18Belgium}} Joël Robert Suzuki15
19Netherlands}} Jo Lammers Montesa15
20Belgium}} Gaston Rahier Suzuki11
21Czechoslovakia}} Miroslav Halm CZ11
22Belgium}} Sylvain Geboers Suzuki10
23UK}} Andy Roberton Husqvarna9
24Germany}} Herbert Schmitz Maico7
25Czechoslovakia}} Zdeneck Velky CZ6
26USSR}} Alexej Kibirin CZ5
27Finland}} Lars Ohberg Montesa3
27Finland}} Jorma Jarvinen Montesa3
29USSR}} Yuri Khudiakov CZ2
29Belgium}} Claude Jobe Montesa2
29Belgium}} Raymond Boven Montesa2
32Belgium}} Marcel Wiertz Bultaco1
32Netherlands}} Stef Van der Sluis Yamaha1
31Sweden}} Olle Pettersson Kawasaki1
{{col-end}}

References

1. ^1 {{cite web |url=http://www.memotocross.fr/maison/equipe/index.php#0440929eb50f9fc01 |title=1973 500cc motocross world championship final standings |publisher=memotocross.fr |accessdate=24 January 2016 }}
2. ^1 2 3 4 5 6 7 8 9 10 11 12 {{cite web |url=http://www.mxworksbike.com/index.php/1973-suzuki-rn73 |title=1973 Suzuki RN-73 |publisher=mxworksbike.com |accessdate=26 January 2016 }}
3. ^1 2 3 {{cite web |url=http://supercross.com/roger-decoster-interview-covering-1971-thru-2001/ |title=Roger De Coster Interview |publisher=supercross.com |accessdate=28 January 2016 }}
4. ^{{cite web |url=http://www.motoretroillustrated.com/archive_carlsbad.htm |title=The First US GP |publisher=motoretroillustrated.com |accessdate=26 January 2016 }}
5. ^1 2 3 {{cite web |url=http://akejonsson.com/1973gpseries.html |title=1973 500cc motocross world championship |publisher=akejonsson.com |accessdate=25 January 2016 }}
6. ^1 {{cite web | url=http://www.mxworksbike.com/index.php/people/interviews/16-interviews/118-torsten-hallman | title=Torsten Hallman 2005 | publisher=mxworksbike.com | accessdate=2016-02-27 }}
7. ^{{cite web |url=http://www.motorcyclemuseum.org/halloffame/detail.aspx?RacerID=85&lpos=-1025px&letter=P&txtFname=&rblFname=S&txtLname=&rblLname=S&discipline=0 |title=Jim Pomeroy at the Motorcycle Hall of Fame |publisher=motorcyclemuseum.org |accessdate=28 January 2016 }}
8. ^{{cite web |url=https://ultimatemotorcycling.com/2011/02/14/jim-pomeroy-motocross-legend/ |title=Jim Pomeroy, Motocross Legend |publisher=ultimatemotorcycling.com |accessdate=14 February 2016 }}
9. ^{{cite web |url=http://www.memotocross.fr/maison/reservation/index.php#0440929ebb0ee020a |title=1973 500cc motocross world championship race results |publisher=memotocross.fr |accessdate=25 January 2016 }}
10. ^{{cite web |url=http://www.memotocross.fr/maison/philosophie/index.php#0440929eb51058703 |title=1973 250cc motocross world championship race results |publisher=memotocross.fr |accessdate=25 January 2016 }}
11. ^{{cite web |url=http://www.jwvanessen.com/gp-results-1973.html |title=1973 250cc motocross world championship race results |publisher=jwvanessen.com |accessdate=25 January 2016 }}
12. ^{{cite web |url=http://www.memotocross.fr/maison/visite/index.php#0440929ca80bf251f |title=1973 250cc motocross world championship final standings |publisher=memotocross.fr |accessdate=25 January 2016 }}
13. ^{{cite web |url=http://www.jwvanessen.com/final-score-1973.html |title=1973 250cc motocross world championship final standings |publisher=jwvanessen.com |accessdate=25 January 2016 }}

External links

  • {{url|1=http://www.motocrossmx1.com}}
{{Motocross World Championship}}{{DEFAULTSORT:1973 Fim Motocross World Championship Season}}

2 : 1973 in motorcycle sport|Motocross World Championship seasons
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