| 1981 | Marlboro British Grand Prix · Grand Prix | Suzuki | 10 | | Classified |
| 1982 | Austrian Grand Prix · Grand Prix | Suzuki | — | | Ret |
| 1982 | French Grand Prix · Grand Prix | Suzuki | 8 | | Classified |
| 1982 | Dutch TT · Grand Prix | Suzuki | 25 | | Classified |
| 1982 | Belgian Grand Prix · Grand Prix | Suzuki | 21 | | Classified |
| 1982 | Yugoslavian Grand Prix · Grand Prix | Suzuki | — | | Ret |
| 1982 | British Grand Prix · Grand Prix | Suzuki | 10 | | Classified |
| 1982 | Swedish Grand Prix · Grand Prix | Suzuki | 15 | | Classified |
| 1982 | San Marino Grand Prix · Grand Prix | Suzuki | — | | Ret |
| 1983 | South African Grand Prix · Grand Prix | Suzuki | — | | Ret |
| 1983 | French Grand Prix · Grand Prix | Suzuki | — | | Ret |
| 1983 | Nations Grand Prix · Grand Prix | Suzuki | 24 | | Classified |
| 1983 | German Grand Prix · Grand Prix | Suzuki | 25 | | Classified |
| 1983 | Spanish Grand Prix · Grand Prix | Suzuki | 18 | | Classified |
| 1983 | Austrian Grand Prix · Grand Prix | Suzuki | 14 | | Classified |
| 1983 | Yugoslavian Grand Prix · Grand Prix | Suzuki | 23 | | Classified |
| 1983 | Dutch TT · Grand Prix | Suzuki | — | | Ret |
| 1983 | Belgian Grand Prix · Grand Prix | Suzuki | — | | Ret |
| 1983 | British Grand Prix · Grand Prix | Suzuki | 13 | | Classified |
| 1983 | Swedish Grand Prix · Grand Prix | Suzuki | 14 | | Classified |
| 1983 | San Marino Grand Prix · Grand Prix | Suzuki | 14 | | Classified |
| 1984 | South African Grand Prix · Grand Prix | Honda | 9 | | Classified |
| 1984 | Italian Grand Prix · Grand Prix | Honda | 24 | | Classified |
| 1984 | Spanish Grand Prix · Grand Prix | Honda | 11 | | Classified |
| 1984 | Austrian Grand Prix · Grand Prix | Honda | 20 | | Classified |
| 1984 | German Grand Prix · Grand Prix | Honda | 22 | | Classified |
| 1984 | Dutch TT · Grand Prix | Honda | 23 | | Classified |