1990 Superbike World Championship season Race calendar and results Race calendar and results

| Round_0 | Round_1 | Circuit | Date_ | Pole_Position | Fastest_Lap | Winning_Rider_ |
|---|---|---|---|---|---|---|
| 5 | R2 | Mosport | 3 June | Giancarlo Falappa | Jamie James | Raymond Roche |
| 6 | R1 | Brainerd | 10 June | Doug Chandler | Doug Chandler | Stéphane Mertens |
| 6 | R2 | Brainerd | 10 June | Doug Chandler | Fabrizio Pirovano | Doug Chandler |
| 7 | R1 | Österreichring | 1 July | Stéphane Mertens | Rob McElnea | Fabrizio Pirovano |
| 7 | R2 | Österreichring | 1 July | Stéphane Mertens | Stéphane Mertens | Stéphane Mertens |
| 8 | R1 | Sugo | 26 August | Raymond Roche | Raymond Roche | Raymond Roche |
| 8 | R2 | Sugo | 26 August | Raymond Roche | Peter Goddard | Doug Chandler |
| 9 | R1 | Le Mans | 9 September | Baldassarre Monti | Raymond Roche | Raymond Roche |
| 9 | R2 | Le Mans | 9 September | Baldassarre Monti | Jamie James | Raymond Roche |