| Year | Grand Prix | No. | Team | Maufacturer | Grid | Position | Pts Points |
|---|---|---|---|---|---|---|---|
| 1983 | South African Grand Prix | Marlboro Agostini Yamaha | Yamaha | 8 | 3 | ||
| 1984 | South African Grand Prix | Team Marlboro Agostini | Yamaha | 1 | 15 | ||
| 1985 | South African Grand Prix | Marlboro Team Agostini | Yamaha | 1 | 15 | ||
| 1992 | South African Grand Prix | Cagiva Team Agostini | Cagiva | Ret | 0 | ||
| Avg. | 0 | 3.3 | 11 |
