| 1979 | Austrian Grand Prix · Grand Prix | Suzuki | 14 | | Classified |
| 1979 | German Grand Prix · Grand Prix | Suzuki | 10 | | Classified |
| 1979 | Nations Grand Prix · Grand Prix | Suzuki | 5 | | Classified |
| 1979 | Spanish Grand Prix · Grand Prix | Suzuki | 3 | | Classified |
| 1981 | Großer Preis von Deutschland · Grand Prix | Suzuki | — | | Ret |
| 1981 | Grand Prix de France Moto · Grand Prix | Suzuki | — | | Ret |
| 1981 | Yu Grand Prix · Grand Prix | Suzuki | — | | Ret |
| 1985 | South African Grand Prix · Grand Prix | Honda | 9 | | Classified |
| 1985 | Spanish Grand Prix · Grand Prix | Honda | 7 | | Classified |
| 1985 | German Grand Prix · Grand Prix | Honda | — | | DNF |
| 1985 | Italian Grand Prix · Grand Prix | Honda | 11 | | Classified |
| 1985 | Austrian Grand Prix · Grand Prix | Honda | 7 | | Classified |
| 1985 | Dutch TT · Grand Prix | Honda | — | | DNF |
| 1985 | Belgian Grand Prix · Grand Prix | Honda | 11 | | Classified |
| 1985 | French Grand Prix · Grand Prix | Honda | 10 | | Classified |
| 1985 | Swedish Grand Prix · Grand Prix | Honda | 7 | | Classified |
| 1985 | San Marino Grand Prix · Grand Prix | Honda | 8 | | Classified |
| 1986 | Spanish Grand Prix · Grand Prix | Yamaha | 3 | | Classified |
| 1986 | Italian Grand Prix · Grand Prix | Yamaha | 3 | | Classified |
| 1986 | German Grand Prix · Grand Prix | Yamaha | 3 | | Classified |
| 1986 | Austrian Grand Prix · Grand Prix | Yamaha | 5 | | Classified |
| 1986 | Yugoslavian Grand Prix · Grand Prix | Yamaha | 5 | | Classified |
| 1986 | Dutch TT · Grand Prix | Yamaha | 3 | | Classified |
| 1986 | Belgian Grand Prix · Grand Prix | Yamaha | — | | Ret |
| 1986 | French Grand Prix · Grand Prix | Yamaha | 4 | | Classified |
| 1986 | British Grand Prix · Grand Prix | Yamaha | 18 | | Classified |
| 1986 | Swedish Grand Prix · Grand Prix | Yamaha | 3 | | Classified |
| 1986 | San Marino Grand Prix · Grand Prix | Yamaha | 4 | | Classified |
| 1987 | Japanese Grand Prix · Grand Prix | Yamaha | — | | Ret |
| 1987 | Spanish Grand Prix · Grand Prix | Yamaha | — | | Ret |
| 1987 | German Grand Prix · Grand Prix | Yamaha | — | | DNS |
| 1987 | Brazilian Grand Prix · Grand Prix | Yamaha | 10 | | Classified |
| 1987 | Argentine Grand Prix · Grand Prix | Yamaha | 6 | | Classified |
| 1988 | United States Grand Prix · Grand Prix | Honda | 10 | | Classified |
| 1988 | Spanish Grand Prix · Grand Prix | Honda | — | | Ret |
| 1988 | Belgian Grand Prix · Grand Prix | Honda | 20 | | Classified |
| 1988 | Yugoslavian Grand Prix · Grand Prix | Honda | 14 | | Classified |
| 1988 | French Grand Prix · Grand Prix | Honda | 13 | | Classified |
| 1988 | British Grand Prix · Grand Prix | Honda | 13 | | Classified |