# Grand Prix moto de Saint-Marin 1991

Le Grand Prix moto de Saint-Marin 1991 est la douzième manche du championnat du monde de vitesse moto 1991. La compétition s'est déroulée du 16 au 18 août 1991 sur le circuit du Mugello. C'est la 8e édition du Grand Prix moto de Saint-Marin.

## Résultat des 500 cm$^3$

| Pos | Pilote | Constructeur | Temps/Écart | Points |
| 1 | Wayne Rainey | Yamaha | 46 min 08 s 566 | 20 |
| 2 | Kevin Schwantz | Suzuki | +2 s 946 | 17 |
| 3 | Mickael Doohan | Honda | +6 s 066 | 15 |
| 4 | Wayne Gardner | Honda | +23 s 218 | 13 |
| 5 | Niall Mackenzie | Yamaha | +33 s 205 | 11 |
| 6 | John Kocinski | Yamaha | +37 s 614 | 10 |
| 7 | Juan Garriga | Yamaha | +39 s 280 | 9 |
| 8 | Didier de Radiguès | Suzuki | +39 s 566 | 8 |
| 9 | Doug Chandler | Yamaha | +52 s 121 | 7 |
| 10 | Jean-Philippe Ruggia | Yamaha | +1 min 15 s 609 | 6 |
| 11 | Eddie Laycock | Yamaha | +1 tour | 5 |
| 12 | Marco Papa | Cagiva | +1 tour | 4 |
| 13 | Cees Doorakkers | Honda | +1 tour | 3 |
| 14 | Michael Rudroff | Honda | +1 tour | 2 |
| 15 | Hans Becker | Yamaha | +1 tour | 1 |
| 16 | Josef Doppler | Yamaha | +1 tour | |
| 17 | Romolo Balbi | Honda | +1 tour | |
| 18 | Andreas Leuthe | Suzuki | +2 tours | |
| 19 | Helmut Schutz | Honda | +2 tours | |
| Abd. | Michele Valdo | Paton | Abandon | |
| Abd. | Eddie Lawson | Cagiva | Abandon | |
| Abd. | Adrien Morillas | Yamaha | Abandon | |
| Abd. | Sito Pons | Honda | Abandon | |

## Résultat des 250 cm$^3$

| Pos | Pilote | Constructeur | Temps/Écart | Points |
| 1 | Luca Cadalora | Honda | 39 min 49 s 345 | 20 |
| 2 | Carlos Cardús | Honda | +11 s 573 | 17 |
| 3 | Loris Reggiani | Aprilia | +19 s 913 | 15 |
| 4 | Masao Shimizu | Honda | +20 s 048 | 13 |
| 5 | Wilco Zeelenberg | Honda | +20 s 052 | 11 |
| 6 | Doriano Romboni | Honda | +22 s 956 | 10 |
| 7 | Carlos Lavado | Yamaha | +32 s 621 | 9 |
| 8 | Pierfrancesco Chili | Aprilia | +33 s 030 | 8 |
| 9 | Martin Wimmer | Suzuki | +34 s 627 | 7 |
| 10 | Jochen Schmid | Honda | +41 s 643 | 6 |
| 11 | Herri Torrontegui | Suzuki | +43 s 033 | 5 |
| 12 | Max Biaggi | Aprilia | +43 s 039 | 4 |
| 13 | Andy Preining | Aprilia | +55 s 913 | 3 |
| 14 | Jurgen van den Goorbergh | Aprilia | +55 s 979 | 2 |
| 15 | Stefan Prein | Honda | +56 s 103 | 1 |
| 16 | Eskil Suter | JJ Cobas | +1 tour | |
| 17 | Alberto Puig | Honda | +1 tour | |
| 18 | Jean-Pierre Jeandat | Honda | +1 tour | |
| 19 | Urs Jücker | Honda | +1 tour | |
| 20 | Marcellino Lucchi | Honda | +1 tour | |
| 21 | Frédéric Protat | Honda | +1 tour | |
| 22 | Corrado Catalano | Honda | +1 tour | |
| 23 | Bernard Haenggeli | Honda | +1 tour | |
| 24 | Fausto Ricci | Honda | +1 tour | |
| 25 | Ian Newton | Aprilia | +1 tour | |
| 26 | Patrick van den Goorbergh | Honda | +1 tour | |
| 27 | Renato Colleoni | Honda | +1 tour | |
| Abd. | Helmut Bradl | Honda | Abandon | |
| Abd. | Stefano Caracchi | Yamaha | Abandon | |
| Abd. | Renzo Colleoni | Aprilia | Abandon | |
| Abd. | Alex Criville | JJ Cobas | Abandon | |
| Abd. | Harald Eckl | Yamaha | Abandon | |
| Abd. | Stefano Pennese | Yamaha | Abandon | |
| Abd. | Bernd Kassner | Yamaha | Abandon | |
| Abd. | Paolo Casoli | Yamaha | Abandon | |

## Résultat des 125 cm$^3$

| Pos | Pilote | Constructeur | Temps/Écart | Points |
| 1 | Peter Oettl | Rotax | 37 min 57 s 546 | 20 |
| 2 | Loris Capirossi | Honda | +2 s 495 | 17 |
| 3 | Fausto Gresini | Honda | +2 s 631 | 15 |
| 4 | Ralf Waldmann | Honda | +2 s 673 | 13 |
| 5 | Alessandro Gramigni | Aprilia | +2 s 744 | 11 |
| 6 | Gabriele Debbia | Aprilia | +2 s 982 | 10 |
| 7 | Jorge Martinez | Honda | +23 s 625 | 9 |
| 8 | Kazuto Sakata | Honda | +23 s 673 | 8 |
| 9 | Dirk Raudies | Honda | +37 s 708 | 7 |
| 10 | Maurizio Vitali | Gazzaniga | +34 s 944 | 6 |
| 11 | Koji Takada | Honda | +37 s 992 | 5 |
| 12 | Bruno Casanova | Honda | +35 s 012 | 4 |
| 13 | Ezio Gianola | Derbi | +36 s 447 | 3 |
| 14 | Heinz Lüthi | Honda | +36 s 474 | 2 |
| 15 | Adi Stadler | JJ Cobas | +36 s 486 | 1 |
| 16 | Antonio Sanchez | JJ Cobas | +36 s 618 | |
| 17 | Julián Sánchez | Honda | +49 s 740 | |
| 18 | Hisashi Unemoto | Honda | +1 min 07 s 777 | |
| 19 | Kinya Wada | Honda | +1 min 07 s 928 | |
| 20 | Hans Spaan | Honda | +1 min 07 s 978 | |
| 21 | Stefan Kurfiss | Honda | +1 min 08 s 282 | |
| 22 | Serafino Foti | Honda | +1 min 08 s 332 | |
| 23 | Arie Molenaar | Honda | +1 min 08 s 386 | |
| 24 | Johnny Wickstroem | Honda | +1 min 09 s 278 | |
| 25 | Oliver Petrucciani | Aprilia | +1 min 10 s 241 | |
| 26 | Peter Galvin | Honda | +1 min 10 s 702 | |
| 27 | Emilio Cuppini | Honda | +1 min 13 s 960 | |
| 28 | Jos van Dongen | Honda | +1 min 29 s 497 | |
| 29 | Hans Koopman | Honda | +1 min 38 s 964 | |
| 30 | René Dünki | Honda | +1 min 39 s 549 | |
| Abd. | Alain Bronec | Honda | Abandon | |
| Abd. | Noboru Ueda | Honda | Abandon | |
| Abd. | Noboiuki Wakai | Honda | Abandon | |
| Abd. | Oliver Kock | Honda | Abandon | |
| Abd. | Steve Patrickson | Honda | Abandon | |