| Year | Grand Prix | Circuit | Qualifying Position | Finish Position | Team | Manufacturer | Points |
|---|---|---|---|---|---|---|---|
| 1984 | Dutch TT | Assen |
6
|
Yamaha | 5 | ||
| 1984 | Belgian Grand Prix | Spa-Francorchamps |
6
|
Yamaha | 5 | ||
| 1985 | Italian Grand Prix | Mugello |
15
|
Yamaha | |||
| 1985 | Austrian Grand Prix | Salzburgring |
9
|
Yamaha | 2 | ||
| 1987 | Japanese Grand Prix | Suzuka |
6
|
Marlboro Yamaha Team Agostini | Yamaha | 5 | |
| 1987 | Spanish Grand Prix | Jerez |
7
|
Marlboro Yamaha Team Agostini | Yamaha | 4 | |
| 1987 | German Grand Prix | Hockenheimring |
4
|
Marlboro Yamaha Team Agostini | Yamaha | 8 | |
| 1987 | Italian Grand Prix | Monza |
6
|
Marlboro Yamaha Team Agostini | Yamaha | 5 | |
| 1987 | Austrian Grand Prix | Salzburgring |
9
|
Marlboro Yamaha Team Agostini | Yamaha | 2 | |
| 1987 | Yugoslavian Grand Prix | Rijeka |
7
|
Marlboro Yamaha Team Agostini | Yamaha | 4 | |
| 1987 | Dutch TT | Assen |
18
|
Marlboro Yamaha Team Agostini | Yamaha | ||
| 1987 | French Grand Prix | Le Mans |
DNS
|
Marlboro Yamaha Team Agostini | Yamaha | ||
| 1987 | British Grand Prix | Donington |
8
|
Marlboro Yamaha Team Agostini | Yamaha | 3 | |
| 1987 | Swedish Grand Prix | Anderstorp |
13
|
Marlboro Yamaha Team Agostini | Yamaha | ||
| 1987 | Czechoslovakian Grand Prix | Brno |
3
|
Marlboro Yamaha Team Agostini | Yamaha | 10 | |
| 1987 | San Marino Grand Prix | Misano |
4
|
Marlboro Yamaha Team Agostini | Yamaha | 8 | |
| 1987 | Portuguese Grand Prix | Jarama |
Ret
|
Marlboro Yamaha Team Agostini | Yamaha | ||
| 1987 | Brazilian Grand Prix | Goiania |
7
|
Marlboro Yamaha Team Agostini | Yamaha | 4 | |
| 1987 | Argentine Grand Prix | Buenos Aires |
8
|
Marlboro Yamaha Team Agostini | Yamaha | 3 | |
| 1988 | Japanese Grand Prix | Suzuka |
5
|
Tech 21 | Yamaha | 11 | |
| 1988 | Spanish Grand Prix | Jarama |
DNS
|
Tech 21 | Yamaha | ||
| 1988 | Italian Grand Prix | Imola |
10
|
Tech 21 | Yamaha | 6 | |
| 1988 | British Grand Prix | Donington |
10
|
Tech 21 | Yamaha | 6 | |
| 1988 | Swedish Grand Prix | Anderstorp |
14
|
Tech 21 | Yamaha | 2 | |
| 1988 | Czechoslovakian Grand Prix | Brno |
5
|
Tech 21 | Yamaha | 11 | |
| 1989 | Japanese Grand Prix | Suzuka | 1 |
8
|
Yamaha Motor Company | Yamaha | 8 |
| 1989 | Australian Grand Prix | Phillip Island | 4 |
6
|
Yamaha Motor Company | Yamaha | 10 |
| 1989 | United States Grand Prix | Laguna Seca | 8 |
Ret
|
Yamaha Motor Company | Yamaha | |
| 1989 | Spanish Grand Prix | Jerez | 7 |
8
|
Yamaha Motor Company | Yamaha | 8 |
| 1989 | Swedish Grand Prix | Anderstorp |
10
|
Yamaha Motor Company | Yamaha | 6 | |
| 1989 | Czechoslovakian Grand Prix | Brno |
9
|
Yamaha Motor Company | Yamaha | 7 | |
| 1990 | Japanese Grand Prix | Suzuka | 10 |
6
|
Tech 21 | Yamaha | |
| 1990 | United States Grand Prix | Laguna Seca |
DNS
|
Tech 21 | Yamaha | ||
| 1990 | Australian Grand Prix | Phillip Island |
Ret
|
Tech 21 | Yamaha | ||
| 1991 | Japanese Grand Prix | Suzuka | 14 |
Ret
|
YRTR | Yamaha |