Most wins
Which rider has the most victories to their name this season before the start of Coppa Placci 1990?
| # | Rider | Victories | |
|---|---|---|---|
| 1 | BUGNO Gianni | 11 | |
| 2 | CHIAPPUCCI Claudio | 2 | |
| 3 | FONDRIEST Maurizio | 2 | |
| 4 | GHIROTTO Massimo | 2 | |
| 5 | VANDELLI Maurizio | 2 | |
| 6 | BALLERINI Franco | 1 | |
| 7 | BORTOLAMI Gianluca | 1 | |
| 8 | DELION Gilles | 1 | |
| 9 | FURLAN Giorgio | 1 | |
| 10 | GIUPPONI Flavio | 1 | |
| 11 | MORO Michele | 1 |