Most wins
Which rider has the most victories to their name this season before the start of GP Internacional Torres Vedras - Trofeu Joaquim Ag 1991?
| # | Rider | Victories | |
|---|---|---|---|
| 1 | ANDRADE Joaquim Adrego Pereira | 2 | |
| 2 | GOMES Joaquim Augusto | 1 | |
| 3 | KLIMOV Viktor | 1 | |
| 4 | PINTO Paulo | 1 | |
| 5 | SILVA Jorge Manuel | 1 | |
| 6 | UNZAGA Jon | 1 |