A Temporada do Campeonato Mundial de Motovelocidade de 1973 foi a 25ª edição promovida pela F.I.M.. A temporada começou em Paul Ricard e encerrou-se em Jarama.

Calendário #DataGrande PrêmioCircuito 1 22 de Abril Grande Prêmio da FrançaCircuito Paul Ricard 2 6 de Maio Grande Prêmio da ÁustriaSalzburgring 3 13 de Maio Grande Prêmio da AlemanhaHockenheimring 4 20 de Maio Grande Prêmio da ItáliaAutódromo Nacional de Monza 5 8 de Junho Tourist Trophy da Ilha de ManSnaefell Mountain Course 6 17 de Junho Grande Prêmio da IugosláviaOpatija Circuit 7 23 de Junho Grande Prêmio da HolandaTT Circuit Assen 8 1° de Julho Grande Prêmio da BélgicaCircuito de Spa-Francorchamps 9 15 de Julho Grande Prêmio da TchecoslováquiaCircuito Masaryk 10 21 de Julho Grande Prêmio da SuéciaAutódromo de Anderstorp 11 29 de Julho Grande Prêmio da FinlândiaImatra Circuit 12 23 de Setembro Grande Prêmio da EspanhaCircuito Permanente del Jarama

Resultado das corridas # Grande Prêmio 50cc 125cc 250cc 350cc 500cc Info1 GP da FrançaSem Disputa Kent Andersson Jarno Saarinen Giacomo Agostini Jarno Saarinen2 GP da ÁustriaSem Disputa Kent Andersson Jarno Saarinen János Drapál Jarno Saarinen3 GP da Alemanha Theo Timmer Kent Andersson Jarno Saarinen Teuvo Länsivuori Phil Read4 GP da Itália Jan de Vries Kent AnderssonCorrida Cancelada Giacomo Agostini Corrida Cancelada5 Tourist TrophySem Disputa Tommy Robb Charlie Williams Tony Rutter Jack Findlay6 GP da Iugoslávia Jan de Vries Kent Andersson Dieter Braun János Drapál Kim Newcombe7 GP da Holanda Bruno Kneubühler Eugenio Lazzarini Dieter Braun Giacomo Agostini Phil Read8 GP da Bélgica Jan de Vries Jos Schurgers Teuvo LänsivuoriSem Disputa Giacomo Agostini9 GP da TchecoslováquiaSem Disputa Otello Buscherini Dieter Braun Teuvo Länsivuori Giacomo Agostini10 GP da Suécia Jan de Vries Börje Jansson Dieter Braun Teuvo Länsivuori Phil Read11 GP da FinlândiaSem Disputa Otello Buscherini Teuvo Länsivuori Giacomo Agostini Giacomo Agostini12 GP da Espanha Jan de Vries Chas Mortimer John Dodds Adu Celso-Santos Phil Read

Pilotos e equipes Os seguintes pilotos e equipes foram inscritos para participar do Campeonato Mundial:

500cc Equipe Construtor Moto Pneu N.° Nome do piloto Rodada Scuderia MV AgustaMV AgustaMV Agusta 500 Six2 Phil Read1–161 Giacomo Agostini1–16 König MotorradKönigStandard 50071 Kim Newcombe1–1638 Reinhard Hiller1–16 Swissport RacingYamahaROC-Yamaha GP137 Werner Giger1–1681 Bruno Kneubühler1–16 Suzuki Motor CorporationSuzukiSuzuki RG50020 Jack Findlay1–1625 Guido Mandracci1–16 Seagram CompanyYamahaROC-Yamaha GP166 Jarno Saarinen1–1619 Hideo Kanaya1–16 Harding Steinbrenner RacingYamahaROC-Yamaha GP170 Alex George1–16 91 Billie Nelson1–16 Hite Sports LimitedYamahaROC-Yamaha GP17 Christian Bourgeois1–1274 Steve Ellis1–1654 Mick Chatterton13–21 Kawasaki Racing TeamKawasakiKawasaki H1R62 Eric Offenstadt1–1636 Christian Léon1–16 Matchless Motorcycle CompanyMatchlessVRT 500C35 Peter Williams1–1249 David Hughes1–1655 Selwyn Griffiths13–21 Husqvarna ABHusqvarnaValiant CX45 Bosse Granath1–1631 Agne Carlsson1–16 Graeme Lawrence AutosportKönigStandard 50099 Paul Eicekberg1–16 Bran RacingKönigStandard 50021 Ernst Hiller1–1658 Udo Kochanski1–16 Harley Davidson Motor CyclesHarley DavidsonAberdonian 50048 Gianfranco Bonera1–166 Michel Rougiere1–16 Doyle-Risi RacingSuzukiSuzuki RG50015 Charlie Sanby1–1618 Roger Nichols1–16 Ralt Australia RacingYamahaROC-Yamaha GP177 Seppo Kangasniemi1–1252 Borge Nielsen1–1672 Georg Pohlmann13–21 Team AltechYamahaROC-Yamaha GP179 Chas Mortimer1–1624 Wil Hartog1–16 British Transport CommissionSeeley-YamahaTalisman TA1890 Marcel Ankoné1–1250 Paul Cott1–16 Scuderia PatonPatonPaton VK4316 Roberto Gallina1–1697 Armando Toracca1–16 Team GPMYamahaROC-Yamaha GP15 Bohumil Stasa1–1286 Gyula Marsovszky1–1639 Derek Chatterton13–21 Dyson RacingYamahaROC-Yamaha GP161 Mario Lega1–1684 Piet van der Wal1–16 Intersport RacingSuzukiSuzuki RG50067 Donnie Robinson1–1276 Peter Stocksiefen1–1612 Derek Lee13–21 Doran EnterprisesKawasakiKawasaki H1R82 Sven-Olof Gunnarsson1–1630 Jean-François Baldé1–16 HM RacingHMBorder Reiver S5041 Kurt-Ivan Carlsson1–12 Transatlantic Racing ServicesSuzukiSuzuki RG50089 John Taylor1–1647 Lothar John1–16 Matthews-Colucci RacingKönigStandard 50042 Ted Jansen1–1614 Kurt-Harald Florin1–16 Dollahite RacingKawasakiKawasaki H1R4 Jean-Paul Boinet1–1632 Graham Bailey1–1617 Charlie Dobson1–1656 Jean Luc1–16 BRP-Rotax GmbH & Co KGRotaxPlaxton DT50087 Alois Maxwald1–1693 Gernot Maas1–1644 Hans Braumandl1–16 Genesis RacingSuzukiSuzuki RG50098 Jerôme van Haeltert1–1628 Bosse Brolin1–1675 Roger Fowler1–1678 David Harris1–16 Kopf Race ProductsYamahaROC-Yamaha GP192 Walter Kaletsch1–1685 Horst Lahfeld1–1673 Jan Kostwinder1–1665 Rod Tingate1–16 Ducati TeamDucatiRascal 50060 Sergio Baroncini1–16 TRV MotorsportsKawasakiKawasaki H1R9 Sture Wass1–1695 Lois With1–16 Team CascandiaSuzukiSuzuki RG50022 Jerry Lancaster1–16 Norton Motorcycle CompanyNortonBedford RL29 Ingemar Bentsson1–1669 Alan Lawton1–16 Denaba RacingYamahaROC-Yamaha GP110 Michael Schmid1–1683 Werner Schmied1–16 Fantasy Junction TeamYamahaROC-Yamaha GP153 Kjell Solberg1–1640 Henk Klaassen1–16 OSSA RacingOSSAChevanne 50051 Lars Pahlsson1–16 Panoz Motor SportsSuzukiSuzuki RG50011 Rob Bron1–1627 Gerrit Veldink1–16 Juncos RacingYamahaROC-Yamaha GP133 Brian Warburton1–1626 Tapani Peltonen1–1680 Hansueli Rothermann1–1694 Tapio Virtanen1–1663 Dennis Trollope1–168 François Hollebecq1–16 Champion MotorsNortonBedford RL3 Don Grant1–1613 Gerhard Greiffenhagen1–16 Honda Racing CorporationHondaTSR-Honda AC50M59 Bert Nijland1–1623 Jim Curry1–16 Aermacchi SuperAutoAermacchiFreight Rover VT1157 Mike Trimby1–16 Mosler AutomotiveSuzukiSuzuki RG50046 Cees Bouwmeester1–1643 André Pogolotti1–16 Rock Valley RacingKawasakiKawasaki H1R68 Keith Martin1–1688 Kaarlo Koivuniemi1–16 Velocette Metisse RacingVelocette MetisseDormobile 50034 Fred Walton1–16 BSA CompanyBSACalibre YMQ96 Nigel Rollason1–16 Seeley MotorcyclesSeeleySeeley OB64 Tony Anderson1–1641 Walter Dawson1–1688 Jim Ashton1–169 Geoff Barry1–1660 Derek Filler1–1669 Ken Kay1–16 Michael Shank RacingSuzukiSuzuki RG50086 Tom Loughridge1–1699 Graham Bentman1–1681 Gordon Pantall1–16 Rahal Letterman Lanigan RacingYamahaROC-Yamaha GP151 Carl Ward1–165 Ken Huggett1–166 Janos Drapal1–1631 Franz Kroon1–1622 Werner Pfirter1–1694 Dieter Braun1–16 G & W MotorsportsPatonPaton VK4342 Silvano Bertarelli1–16 Art Pilla TT Grand PrixKawasakiKawasaki H1R12 Werner Bergold1–1674 Cliff Brown1–1676 Ron Chandler1–1633 Guy Cooremans1–1623 Helmut Kasper1–1668 Kai Kuparinen1–16 Monark Cykelfabriken ABMonarkAstramax 50048 Mike Grant1–16 Robinson RacingSuzukiSuzuki RG50080 Godfrey Benson1–1626 Dennis Brew1–1632 Tony Jefferies1–1638 Roy Simmons1–1640 Roger Sutcliffe1–1678 Stan Woods1–16 Prototype Technology GroupYamahaROC-Yamaha GP129 Phil Carpenter1–1689 Olivier Chevalier1–1672 Etienne Delamarre1–1650 Tom Dickie1–1624 John Dodds1–16 Helix Raing TeamAMC-SachsVivaro ST92 Alistair Copeland1–16 C.J. MotorsportsNortonBedford RL56 Pete Elmore1–1655 Brian Moses1–1614 Steve Moynihan1–1695 Brian O'Neill1–1662 Norman Price1–16 FSR RacingFSRVRT/SL Turbo43 Bill Fulton1–16 Vincent MotorcyclesYamahaROC-Yamaha GP173 Phil Gurner1–1611 Billie Guthrie1–1666 Danny Keany1–1644 Barry Randle1–1691 Tommy Robb1–164 Tony Rutter1–16 Triumph EngineeringTriumphTriumph RETB128 Ray Knight1–16 Saleen-Allen SpeedlabSeeleySeeley OB98 Chris Neve1–1682 Kjell Watz1–16 Standard Racing TeamSeeley-SuzukiCruzer TB9149 Garth Neveling1–16 American Spirit RacingKawasakiKawasaki H1R77 Bill Rae1–16 Scuderia BenetinniYamahaROC-Yamaha GP147 Adolf Schneider1–1664 Frank Shortt1–1639 Derek Tierney1–1665 Charlie Williams1–16 Heron Suzuki GBHeron Suzuki GBSuzuki RG50090 Barry Sheene1–16 Schumacher RacingHondaTSR-Honda AC50M85 Bill Smith1–16 AF CorseNortonBedford RL46 Brian Taggart1–1657 John Wilkinson1–16 Arter-Matchless SportsArter MatchlessBournemouth C36 John Williams1–16Legenda Piloto da Temporada Piloto Convidado Piloto Substituto

350cc Equipe Construtor Moto Pneu N.° Nome do piloto Rodada Scuderia MV AgustaMV AgustaTuono 1000R33 Giacomo Agostini1–1684 Phil Read1–16 Yamaha Motor CompanyYamahaYamaha SX 35069 Teuvo Länsivuori1–1613 Derek Chatterton1–16 Scuderia BenelliBenelliSL1000 Falco59 Walter Villa1–16 Harley-Davidson Motor CyclesHarley-DavidsonHealey 1000/489 Gianfranco Bonera1–1678 Bruno Kneubühler1–16 Martin Snow RacingHarley-DavidsonHealey 1000/422 Michel Rougerie1–16 Vern Schuppan RacingYamahaYamaha SX 35055 John Dodds1–16 97 János Reisz1–16 Bell MotorsportsYamahaYamaha SX 3502 Phil Carpenter1–1280 Billie Nelson1–1653 Helmut Kassner13–21 Freisinger MotorsportYamahaYamaha SX 35036 Kent Andersson1–1674 Adu Celso-Santos1–16 Larbre CompétitionYamahaYamaha SX 35031 Dieter Braun1–1299 Gyula Marsovszky1–1623 Mick Grant13–21 Scuderia TorinoYamahaYamaha SX 35096 János Drapál1–1673 Barry Randle1–16 Reisman Property InterestsYamahaYamaha SX 35040 Pentti Korhonen1–16 JDC-Miller MotorSportsYamahaYamaha SX 35090 Werner Pfirter (†)1–1670 Alex George1–16 GRT Grasser Racing TeamYamahaYamaha SX 35047 Ken Huggett1–1663 Patrick Pons1–16 DS Marcos Racing InternationalYamahaYamaha SX 3507 Ingemar Larsson1–1632 Tony Rutter1–16 Whelen Engineering RacingYamahaYamaha SX 35019 John Williams1–1216 Bosse Granath1–169 Kurt-Ivan Carlsson13–21 Konrad MotorsportYamahaYamaha SX 35037 Víctor Palomo1–1664 Olivier Chevallier1–16 Tower Motorsport By StarworksYamselAriel Red Hunter66 Marcel Ankoné1–1212 Paul Cott1–16 PR1 Mathiasen MotorsportsYamahaYamaha SX 35086 Philippe Coulon1–1630 Walter Kaletsch1–16 Pfaff MotorsportsYamahaYamaha SX 35027 Mario Lega1–1250 Franz Weidacher1–1639 Tom Dickie13–21 AIM Vasser Sullivan RacingMZMZ Avenger45 Silvio Grassetti1–16 Heart Of Racing TeamYamahaYamaha SX 35028 Hannu Kuparinen1–1272 Harry Konschock1–16 Black Swan RacingYamahaYamaha SX 35088 Pekka Nurmi1–1618 Børge Nielsen1–16 Heinricher RacingMototransMototrans Caliber76 Henry Walkenhorst1–123 Philippe Haezebrouck1–16 Theodore RacingGas GasW/NG 3504 Philippe Bourgeois1–161 John Edwards1–16 Walker RacingGas GasW/NG 35060 Dev Gore1–16 Tasman MotorsportsDucatiDucati CT 10024 Don Yount1–1657 Jean-Paul Buffin1–1620 Gilles Vannelet1–1693 Martin Tomczyk1–16Legenda Piloto da Temporada Piloto Convidado Piloto Substituto

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