| 1.5 cc Class 1 | ||||||
| Pos | FEMA | Name | Nat | Heat 1 | Heat 2 | Final |
| 1 | 666 | Gianni Mattea | I | 234,534 | – | 234,534 |
| 2 | 1411 | Gianmauro Castagnetti | I | 228,29 | 226,889 | 228,29 |
| 304 | Gianni Mattea | I | 229,803 | – | – | |
| 535 | Gianmauro Castagnetti | I | – | 211,037 | – |
| 2.5 cc Class 2 | ||||||
| 1 | 704 | Claudio Griffanti | I | 234,987 | 241,436 | 241,436 |
| 2 | 821 | Aldo Valentini | I | 218,688 | – | 218,688 |
| 5 cc Class 4 | ||||||
| 1 | 1413 | Alberto Adreani | I | 283,037 | – | 283,037 |
| 2 | 1414 | Gianni Mattea | I | 282,141 | 190,979 | 282,141 |
| 3 | 1229 | Gianmauro Castagnetti | I | 278,815 | 279,408 | 279,408 |
| 4 | 1250 | Aldo Valentini | I | 275,655 | 274,855 | 275,655 |
| 1326 | Aldo Valentini | I | 214,536 | – | – | |
| 1412 | Gianmauro Castagnetti | I | – | – | – |
| 10 cc Class 5 | ||||||
| 1 | 775 | Giorgio Citterio | I | 324,143 | – | 324,143 |
| 2 | 86 | Carlo Griffanti | I | 322,251 | 321,039 | 322,251 |
| 3 | 1001 | Marino Vavassori | I | 292,227 | 129,591 | 292,227 |
| 4 | 722 | Alessandro Rossetti | I | – | 269,469 | 269,469 |
| 996 | Marino Vavassori | I | – | 274,44 | – | |
| 523 | Carlo Griffanti | I | – | – | – |