| 1982 | Dutch TT · Grand Prix | Honda | 12 | | Classified |
| 1982 | Belgian Grand Prix · Grand Prix | Honda | 11 | | Classified |
| 1982 | British Grand Prix · Grand Prix | Honda | 15 | | Classified |
| 1983 | South African Grand Prix · Grand Prix | Honda | 3 | | Classified |
| 1983 | French Grand Prix · Grand Prix | Honda | 3 | | Classified |
| 1983 | Nations Grand Prix · Grand Prix | Honda | — | | Ret |
| 1983 | German Grand Prix · Grand Prix | Honda | — | | Ret |
| 1983 | Spanish Grand Prix · Grand Prix | Honda | — | | Ret |
| 1983 | Austrian Grand Prix · Grand Prix | Honda | — | | Ret |
| 1983 | Yugoslavian Grand Prix · Grand Prix | Honda | — | | Ret |
| 1983 | Belgian Grand Prix · Grand Prix | Honda | 8 | | Classified |
| 1983 | British Grand Prix · Grand Prix | Honda | 7 | | Classified |
| 1983 | Swedish Grand Prix · Grand Prix | Honda | 9 | | Classified |
| 1983 | San Marino Grand Prix · Grand Prix | Honda | 9 | | Classified |
| 1984 | South African Grand Prix · Grand Prix | Honda | — | | Ret |
| 1984 | Italian Grand Prix · Grand Prix | Honda | 6 | | Classified |
| 1984 | Spanish Grand Prix · Grand Prix | Honda | 4 | | Classified |
| 1984 | Austrian Grand Prix · Grand Prix | Honda | 4 | | Classified |
| 1984 | German Grand Prix · Grand Prix | Honda | 4 | | Classified |
| 1984 | French Grand Prix · Grand Prix | Honda | 4 | | Classified |
| 1984 | Yugoslavian Grand Prix · Grand Prix | Honda | 5 | | Classified |
| 1984 | Dutch TT · Grand Prix | Honda | 4 | | Classified |
| 1984 | Belgian Grand Prix · Grand Prix | Honda | 5 | | Classified |
| 1984 | British Grand Prix · Grand Prix | Honda | 3 | | Classified |
| 1984 | Swedish Grand Prix · Grand Prix | Honda | — | | Ret |
| 1984 | San Marino Grand Prix · Grand Prix | Honda | 3 | | Classified |
| 1985 | South African Grand Prix · Grand Prix | Honda | 4 | | Classified |
| 1985 | Spanish Grand Prix · Grand Prix | Honda | 8 | | Classified |
| 1985 | German Grand Prix · Grand Prix | Honda | 3 | | Classified |
| 1985 | Italian Grand Prix · Grand Prix | Honda | 6 | | Classified |
| 1985 | Austrian Grand Prix · Grand Prix | Honda | 16 | | Classified |
| 1985 | Yugoslavian Grand Prix · Grand Prix | Honda | 4 | | Classified |
| 1985 | Dutch TT · Grand Prix | Honda | 2 | | Classified |
| 1985 | Belgian Grand Prix · Grand Prix | Honda | 6 | | Classified |
| 1985 | French Grand Prix · Grand Prix | Honda | 5 | | Classified |
| 1985 | British Grand Prix · Grand Prix | Honda | 14 | | Classified |
| 1985 | Swedish Grand Prix · Grand Prix | Honda | 3 | | Classified |
| 1985 | San Marino Grand Prix · Grand Prix | Honda | 5 | | Classified |
| 1986 | Spanish Grand Prix · Grand Prix | Elf-Honda | 10 | | Classified |
| 1986 | Italian Grand Prix · Grand Prix | Elf-Honda | — | | Ret |
| 1986 | German Grand Prix · Grand Prix | Elf-Honda | 8 | | Classified |
| 1986 | Austrian Grand Prix · Grand Prix | Elf-Honda | — | | Ret |
| 1986 | Yugoslavian Grand Prix · Grand Prix | Elf-Honda | — | | Ret |
| 1986 | Dutch TT · Grand Prix | Elf-Honda | 7 | | Classified |
| 1986 | Belgian Grand Prix · Grand Prix | Elf-Honda | — | | Ret |
| 1986 | French Grand Prix · Grand Prix | Elf-Honda | 7 | | Classified |
| 1986 | British Grand Prix · Grand Prix | Elf-Honda | 9 | | Classified |
| 1986 | Swedish Grand Prix · Grand Prix | Elf-Honda | 9 | | Classified |
| 1986 | San Marino Grand Prix · Grand Prix | Elf-Honda | 9 | | Classified |
| 1987 | Japanese Grand Prix · Grand Prix | Honda | 5 | | Classified |
| 1987 | Spanish Grand Prix · Grand Prix | Honda | 3 | | Classified |
| 1987 | German Grand Prix · Grand Prix | Honda | 3 | | Classified |
| 1987 | Italian Grand Prix · Grand Prix | Honda | 5 | | Classified |
| 1987 | Austrian Grand Prix · Grand Prix | Honda | 4 | | Classified |
| 1987 | Yugoslavian Grand Prix · Grand Prix | Honda | 4 | | Classified |
| 1987 | Dutch TT · Grand Prix | Honda | 5 | | Classified |
| 1987 | French Grand Prix · Grand Prix | Honda | 5 | | Classified |
| 1987 | British Grand Prix · Grand Prix | Honda | 7 | | Classified |
| 1987 | Swedish Grand Prix · Grand Prix | Honda | 6 | | Classified |
| 1987 | Czechoslovak Grand Prix · Grand Prix | Honda | 14 | | Classified |
| 1987 | San Marino Grand Prix · Grand Prix | Honda | — | | Ret |
| 1987 | Portuguese Grand Prix · Grand Prix | Honda | 9 | | Classified |
| 1987 | Brazilian Grand Prix · Grand Prix | Honda | 11 | | Classified |
| 1987 | Argentine Grand Prix · Grand Prix | Honda | 10 | | Classified |
| 1988 | Japanese Grand Prix · Grand Prix | Elf5-RS500 | 12 | | Classified |
| 1988 | United States Grand Prix · Grand Prix | Elf5-RS500 | 7 | | Classified |
| 1988 | Spanish Grand Prix · Grand Prix | Elf5-RS500 | 10 | | Classified |
| 1988 | Expo 92 Grand Prix · Grand Prix | Elf5-RS500 | — | | Ret |
| 1988 | Italian Grand Prix · Grand Prix | Elf5-RS500 | 16 | | Classified |
| 1988 | German Grand Prix · Grand Prix | Elf5-RS500 | — | | Ret |
| 1988 | Austrian Grand Prix · Grand Prix | Elf5-RS500 | 8 | | Classified |
| 1988 | Dutch TT · Grand Prix | Elf5-RS500 | 13 | | Classified |
| 1988 | Belgian Grand Prix · Grand Prix | Elf5-RS500 | 7 | | Classified |
| 1988 | Yugoslavian Grand Prix · Grand Prix | Elf5-RS500 | 9 | | Classified |
| 1988 | French Grand Prix · Grand Prix | Elf5-RS500 | 10 | | Classified |
| 1988 | British Grand Prix · Grand Prix | Elf5-RS500 | 14 | | Classified |
| 1988 | Swedish Grand Prix · Grand Prix | Elf5-RS500 | 11 | | Classified |
| 1988 | Czechoslovak Grand Prix · Grand Prix | Elf5-RS500 | 7 | | Classified |
| 1988 | Brazilian Grand Prix · Grand Prix | Elf5-RS500 | — | | Ret |
| 1989 | Japanese Grand Prix · Grand Prix | Suzuki | 12 | | Classified |
| 1989 | Australian Grand Prix · Grand Prix | Suzuki | 7 | | Classified |
| 1989 | United States Grand Prix · Grand Prix | Suzuki | — | | Ret |
| 1989 | Spanish Grand Prix · Grand Prix | Suzuki | 7 | | Classified |
| 1989 | Nations Grand Prix · Grand Prix | Suzuki | — | | Ret |
| 1989 | German Grand Prix · Grand Prix | Suzuki | — | | Ret |
| 1989 | Austrian Grand Prix · Grand Prix | Suzuki | 7 | | Classified |
| 1989 | Yugoslavian Grand Prix · Grand Prix | Suzuki | 8 | | Classified |
| 1989 | Dutch TT · Grand Prix | Suzuki | 7 | | Classified |
| 1989 | British Grand Prix · Grand Prix | Suzuki | 7 | | Classified |
| 1989 | Swedish Grand Prix · Grand Prix | Suzuki | 6 | | Classified |
| 1989 | Czechoslovak Grand Prix · Grand Prix | Suzuki | 8 | | Classified |
| 1989 | Brazilian Grand Prix · Grand Prix | Suzuki | 5 | | Classified |
| 1990 | Japanese Grand Prix · Grand Prix | Cagiva | — | | Ret |
| 1990 | United States Grand Prix · Grand Prix | Cagiva | — | | Ret |
| 1990 | Spanish Grand Prix · Grand Prix | Cagiva | — | | DNQ |
| 1990 | Nations Grand Prix · Grand Prix | Cagiva | — | | DNQ |
| 1990 | German Grand Prix · Grand Prix | Cagiva | — | | DNQ |
| 1990 | Austrian Grand Prix · Grand Prix | Cagiva | 12 | | Classified |
| 1990 | Yugoslavian Grand Prix · Grand Prix | Cagiva | — | | DNS |
| 1990 | Dutch TT · Grand Prix | Cagiva | 9 | | Classified |
| 1990 | Belgian Grand Prix · Grand Prix | Cagiva | 8 | | Classified |
| 1990 | French Grand Prix · Grand Prix | Cagiva | 10 | | Classified |
| 1990 | British Grand Prix · Grand Prix | Cagiva | 10 | | Classified |
| 1990 | Swedish Grand Prix · Grand Prix | Cagiva | 10 | | Classified |
| 1990 | Czechoslovak Grand Prix · Grand Prix | Cagiva | 12 | | Classified |
| 1990 | Hungarian Grand Prix · Grand Prix | Cagiva | 11 | | Classified |
| 1991 | British Grand Prix · Grand Prix | Norton | 12 | | Classified |
| 1993 | British motorcycle Grand Prix · Grand Prix | Yamaha | 14 | | Classified |
| 2000 | French motorcycle Grand Prix · Grand Prix | Honda | — | | DNS |