| Year | Photo | Engine | Power | Weight | Seat | Fields |
|---|---|---|---|---|---|---|
| 1997 | – | 647 cc | 56.1 hp | 188 kg | 810 mm | 34 |
| 1996 | – | 647 cc | 56.1 hp | 188 kg | 810 mm | 34 |
| 1995 | – | 647 cc | 56.1 hp | 188 kg | 810 mm | 34 |
| 1994 | – | 647 cc | 56.1 hp | 188 kg | 810 mm | 34 |
| 1993 | – | 647 cc | 56.1 hp | 188 kg | 810 mm | 34 |
| 1992 | – | 647 cc | 56.1 hp | 188 kg | 810 mm | 34 |
| 1991 | – | 647 cc | 56.1 hp | 188 kg | 810 mm | 34 |
| 1990 | – | 647 cc | 56.1 hp | 188 kg | 810 mm | 34 |
| 1989 | – | 647 cc | 56.1 hp | 188 kg | 810 mm | 34 |
| 1988 | – | 647 cc | 56.1 hp | 188 kg | 810 mm | 34 |