| Year | Grand Prix | Circuit | Qualifying Position | Finish Position | Team | Manufacturer | Points |
|---|---|---|---|---|---|---|---|
| 1987 | Japanese Grand Prix | Suzuka |
Ret
|
Yamaha Roberts | Yamaha | ||
| 1987 | Dutch TT | Assen |
10
|
Yamaha Roberts | Yamaha | 1 | |
| 1987 | Portuguese Grand Prix | Jarama |
3
|
Yamaha Roberts | Yamaha | 10 | |
| 1988 | Japanese Grand Prix | Suzuka |
7
|
Team Lucky Strike Roberts | Yamaha | 9 | |
| 1988 | United States Grand Prix | Laguna Seca |
Ret
|
Team Lucky Strike Roberts | Yamaha | ||
| 1988 | Spanish Grand Prix | Jarama |
1
|
Team Lucky Strike Roberts | Yamaha | 20 | |
| 1988 | Expo 92 Grand Prix | Jerez |
3
|
Team Lucky Strike Roberts | Yamaha | 15 | |
| 1988 | Italian Grand Prix | Imola |
5
|
Team Lucky Strike Roberts | Yamaha | 11 | |
| 1988 | German Grand Prix | Nürburgring |
5
|
Team Lucky Strike Roberts | Yamaha | 11 | |
| 1988 | Austrian Grand Prix | Salzburgring |
6
|
Team Lucky Strike Roberts | Yamaha | 10 | |
| 1988 | Dutch TT | Assen |
4
|
Team Lucky Strike Roberts | Yamaha | 13 | |
| 1988 | Belgian Grand Prix | Spa-Francorchamps |
Ret
|
Team Lucky Strike Roberts | Yamaha | ||
| 1988 | Yugoslavian Grand Prix | Rijeka |
5
|
Team Lucky Strike Roberts | Yamaha | 11 | |
| 1988 | French Grand Prix | Paul Ricard |
9
|
Team Lucky Strike Roberts | Yamaha | 7 | |
| 1988 | British Grand Prix | Donington |
5
|
Team Lucky Strike Roberts | Yamaha | 11 | |
| 1988 | Swedish Grand Prix | Anderstorp |
6
|
Team Lucky Strike Roberts | Yamaha | 10 | |
| 1988 | Czechoslovakian Grand Prix | Brno |
Ret
|
Team Lucky Strike Roberts | Yamaha | ||
| 1988 | Brazilian Grand Prix | Goiania |
6
|
Team Lucky Strike Roberts | Yamaha | 10 | |
| 1989 | Japanese Grand Prix | Suzuka | 5 |
5
|
Team Lucky Strike Roberts | Yamaha | 11 |
| 1989 | Australian Grand Prix | Phillip Island | 6 |
4
|
Team Lucky Strike Roberts | Yamaha | 13 |
| 1989 | United States Grand Prix | Laguna Seca | 4 |
4
|
Team Lucky Strike Roberts | Yamaha | 13 |
| 1989 | German Grand Prix | Hockenheimring | 10 |
7
|
Team Lucky Strike Roberts | Yamaha | 9 |
| 1989 | Austrian Grand Prix | Salzburgring | 7 |
5
|
Team Lucky Strike Roberts | Yamaha | 11 |
| 1989 | Yugoslavian Grand Prix | Rijeka | 4 |
4
|
Team Lucky Strike Roberts | Yamaha | 13 |
| 1989 | Dutch TT | Assen | 5 |
4
|
Team Lucky Strike Roberts | Yamaha | 13 |
| 1989 | Belgian Grand Prix | Spa-Francorchamps | 6 |
7
|
Team Lucky Strike Roberts | Yamaha | 4.5 |
| 1989 | French Grand Prix | Le Mans | 4 |
5
|
Team Lucky Strike Roberts | Yamaha | 11 |
| 1989 | British Grand Prix | Donington | 8 |
6
|
Team Lucky Strike Roberts | Yamaha | 10 |
| 1989 | Swedish Grand Prix | Anderstorp |
5
|
Team Lucky Strike Roberts | Yamaha | 11 | |
| 1989 | Czechoslovakian Grand Prix | Brno |
7
|
Team Lucky Strike Roberts | Yamaha | 9 | |
| 1989 | Brazilian Grand Prix | Goiania |
6
|
Team Lucky Strike Roberts | Yamaha | 10 | |
| 1990 | Japanese Grand Prix | Suzuka | 13 |
4
|
Lucky Strike Suzuki | Suzuki | 7 |
| 1990 | United States Grand Prix | Laguna Seca |
Ret
|
Lucky Strike Suzuki | Suzuki | ||
| 1991 | Japanese Grand Prix | Suzuka |
13
|
Team Roberts | Suzuki | 3 | |
| 1991 | Australian Grand Prix | Eastern Creek | 11 |
11
|
Team Roberts | Suzuki | 5 |
| 1991 | Malaysian Grand Prix | Shah Alam |
5
|
Lucky Strike Suzuki | Yamaha | 11 | |
| 1993 | Japanese Grand Prix | Suzuka | 7 |
9
|
Nihontelecom Racing Team | Yamaha | 7 |
