Team | Constructor | Motorcycle | No. | Rider | Rounds | Massa Racing Racing Team | Real-Rotax | ?? | 2 | Manfred Herweh | 1, 7–12 | Venemotos Racing Team | Yamaha | Yamaha OW17 | 3 | Carlos Lavado | All | 16 | Iván Palazzese | 1–5 | Agrati Garelli | Garelli | ?? | 4 | Ángel Nieto | ?? | 32 | Maurizio Vitali | 1–2, 4–5, 9, 12 | Marlboro Team Toni Mang | Honda | Honda RS250R | 5 | Anton Mang | All | Team Parisienne-Elf | Honda Parisienne | Honda RS250R ?? | 6 | Jacques Cornu | All | Parisienne Honda | ?? Honda RS250R | 41 44 | Pierre Bolle | 3–12 | Lui-Yamaha Racing Team | Yamaha | Yamaha OW17 | 7 | Martin Wimmer | 1–8 | Donington Park | Honda | Honda RS250R | 9 | Alan Carter | All | Venemotos Racing Team | Pernod Yamaha | Pernod 250GP Yamaha OW17 | 10 | Jean-François Baldé | 1–3, 6, 8–12 | 62 | Jacques Onda | ?? | Römer Racing Team | Yamaha | Yamaha OW17 | 13 | Reinhold Roth | 1–4, 6, 10–12 | 48 44 | Harald Eckl | 1, 3–4, 6–7, 9–11 | Honda | Honda RS250R | 61 | Karl Grässel | 3–5 | E.S.T. | Yamaha | Yamaha OW17 | 14 | Jean-Michel Mattioli | 1–4, 6–12 | Promoto E.S.T. | Cobas Scrab | ?? ?? | 15 | Patrick Fernandez | 1–3, 5–6 | Monnet Racing | EBB | ?? | 17 | August Auinger | 2–8, 10–12 | Rothmans Honda/HRC | Honda | Honda NSR250 | 19 | Freddie Spencer | 1–10 | Exactweld GB Ltd | Exactweld EMC | ?? ?? | 20 | Gary Noel | 11–12 | ?? | Yamaha | Yamaha OW17 | 21 | Philippe Pagano | ?? | ?? | Yamaha | Yamaha OW17 | 22 | Jean-luc Guillemet | 9 | ?? | Yamaha Cobas | Yamaha OW17 ?? | 25 | Vincenzo Cascino | ?? | Team Heukerott | Yamaha | Yamaha OW17 | 27 | Mario Rademeyer | 1, 9–10, 12 | Ernie Coates Racing | Honda | Honda RS250R | 29 | Joey Dunlop | 10 | Team Italia | Malanca MBA | Malanca 250 GP ?? | 30 | Stefano Caracchi | 4, 7–12 | Rothmans Honda Italia | Honda | Honda RS250R | 35 33 37 | Fausto Ricci | 1–2, 4–12 | J.J. Cobas | Cobas-Rotax | ?? | 35 33 | Carlos Cardús | All | 40 46 45 | Joan Garriga | 1–6, 8–12 | Team Yamaha Total | Yamaha | Yamaha OW17 | 36 34 | Stéphane Mertens | 1–2, 7–12 | Silverstone Armstrong GP Team | Armstrong-Rotax | Armstrong CF250 | 39 36 53 | Donnie Mcleod | 1–8, 11–12 | 62 67 49 59 | Niall Mackenzie | All | ?? | Cobas | ?? | 39 | Luis Miguel Reyes | 1–4, 7–9, 11 | ?? | Chevallier-Yamaha | Yamaha OW17 | 40 46 | Jean Foray | 2–3, 6–12 | Aprilia Racing Team | Aprilia-Rotax | ?? | 41 | Loris Reggiani | 1, 3–8, 12 | Höstettler/Yamaha | Yamaha | Yamaha OW17 | 43 42 | Roland Freymond | 2–12 | Höstettler/Yamaha | Rotax | ?? | 43 | Hans Lindner | 3, 5–8 | RS Rallye Sport | Yamaha | Yamaha OW17 | 47 1 40 | Siegfried Minich | 1, 3–12 | Antonio Gutierrez | Arbizu-Rotax | ?? | 48 | Geoff Fowler | ?? | M.I.G | MIG-Rotax | ?? | 49 38 | Jean-Louis Guignabodet | 2–12 | Ehrlich Automotive Ltd. | EMC-Rotax | ?? | 50 | Andy Watts | ?? | Dieter Braun PVM Team | Yamaha | Yamaha OW17 | 51 | Hans Becker | 1, 3, 5–8, 10 | ?? | Kobas | ?? | 53 | Antonio Garcia Moreno | ?? | ?? | Yamaha-KYF | Yamaha OW17 | 54 | Michel Galbit | 2–3, 5–6, 11 | Segura | Yamaha | Yamaha OW17 | 55 42 47 | Thierry Rapicault | 2–7, 9–11 | ?? | Yamaha Rotax | Yamaha OW17 ?? | 55 | Edwin Weibel | 8 | Rothmans Honda France | Honda | Honda RS250R | 67 63 60 | Dominique Sarron | 3–12 | 70 | Patrick Igoa | 2, 8–9 | ?? | Morena Rotax | ?? ?? | 69 | René Délaby | 4, 6–8, 12 | ?? | Yamaha Kobas | Yamaha OW17 ?? | 72 | Antonio Neto | 4–5, 9–12 | Source: [5] | | Key | Regular Rider | Wildcard Rider | Replacement Rider | |