| Runda | Tor | Data | Kierowca | Pojazd | Zespół |
|---|---|---|---|---|---|
| 1 |  Suzuka | 1991.03.24 | Suzuki RGV | Team Lucky Strike Suzuki | |
| 2 |  Eastern Creek | 1991.04.07 | Yamaha YZR |  Marlboro Team Roberts | |
| 3 | Laguna Seca | 1991.04.21 | Yamaha YZR | Marlboro Team Roberts | |
| 4 |  Jerez | 1991.05.12 | Honda NSR | Rothmans Honda | |
| 5 |  Misano | 1991.05.19 | Honda NSR | Rothmans Honda | |
| 6 |  Hockenheimring | 1991.05.26 | Suzuki RGV | Team Lucky Strike Suzuki | |
| 7 |  Salzburgring | 1991.06.09 | Honda NSR | Rothmans Honda | |
| 8 | Jarama | 1991.06.16 | Yamaha YZR | Marlboro Team Roberts | |
| 9 |  Assen | 1991.06.29 | Suzuki RGV | Team Lucky Strike Suzuki | |
| 10 |  Paul Ricard | 1991.07.21 | Yamaha YZR | Marlboro Team Roberts | |
| 11 |  Donington Park | 1991.08.04 | Suzuki RGV | Team Lucky Strike Suzuki | |
| 12 |  Mugello | 1991.08.18 | Yamaha YZR | Marlboro Team Roberts | |
| 13 |  Brno | 1991.08.25 | Yamaha YZR | Marlboro Team Roberts | |
| 14 | Le Mans | 1991.09.08 | Suzuki RGV | Team Lucky Strike Suzuki | |
| 15 |  Shah Alam | 1991.09.29 | Yamaha YZR | Marlboro Team Roberts |