UNITED STATES GRAND PRIX
500cc · Course
| Pos | Pilote | Temps / écart | Pts |
|---|---|---|---|
| 1 | Wayne Rainey | 50:55.739 | |
| 2 | Mick Doohan | 51:25.765 | |
| 3 | Pierfrancesco Chili | 51:54.612 | |
| 4 | Christian Sarron | 52:08.385 | |
| 5 | Jean Philippe Ruggia | 52:17.971 | |
| 6 | Juan Garriga | ||
| 7 | Randy Mamola | ||
| 8 | Alex Barros | ||
| 9 | Peter Linden | ||
| 10 | Niggi Schmassman | ||
| — | Wayne Gardner | OUTSTND | |
| — | Sito Pons | OUTSTND | |
| — | Kevin Schwantz | OUTSTND | |
| — | Kevin Magee | OUTSTND | |
| — | Ron Haslam | OUTSTND |
250cc · Course
| Pos | Pilote | Temps / écart | Pts |
|---|---|---|---|
| 1 | John Kocinski | — | |
| 2 | Luca Cadalora | — | |
| 3 | Wilco Zeelenberg | — | |
| 4 | Reinhold Roth | — | |
| 5 | Dominique Sarron | — | |
| 6 | Carlos Cardús | — | |
| 7 | Helmut Bradl | — | |
| 8 | Jochen Schmid | — | |
| 9 | Andreas Preining | — | |
| 10 | Martin Wimmer | — | |
| 11 | Masao Shimizu | — | |
| 12 | Loris Reggiani | — | |
| 13 | Richard Oliver | — | |
| 14 | Niall Mackenzie | — | |
| 15 | Carlos Lavado | — | |
| 16 | Jorge Martinez | — | |
| 17 | Renzo Colleoni | — | |
| 18 | Andrea Borgonovo | — | |
| 20 | Bernard Haenggeli | — | |
| 22 | Urs Jücker | — | |
| — | Alex Criville | OUTSTND | |
| — | Harald Eckl | OUTSTND | |
| — | Alan Carter | OUTSTND |