| Year | Grand Prix | No. | Team | Maufacturer | Grid | Position | Pts Points |
|---|---|---|---|---|---|---|---|
| 1980 | Nations Grand Prix | Suzuki | Ret | 0 | |||
| 1982 | Nations Grand Prix | Team HB Suzuki | Suzuki | Ret | 0 | ||
| 1985 | San Marino Grand Prix | Rothmans Honda Mamola | Honda | 3 | 10 | ||
| 1986 | San Marino Grand Prix | Team Lucky Strike Roberts | Yamaha | 3 | 10 | ||
| 1987 | San Marino Grand Prix | Team Lucky Strike Roberts | Yamaha | 1 | 15 | ||
| 1989 | Nations Grand Prix | Cagiva Corse | Cagiva | 11 | Ret | 0 | |
| 1990 | Nations Grand Prix | Cagiva Corse | Cagiva | 9 | 7 | 0 | |
| Avg. | 10 | 3.5 | 11.7 |