| Year | Grand Prix | Circuit | Qualifying Position | Finish Position | Team | Manufacturer | Points |
|---|---|---|---|---|---|---|---|
| 1983 | British Grand Prix | Silverstone |
Ret
|
Suzuki | |||
| 1984 | British Grand Prix | Silverstone |
22
|
Suzuki | |||
| 1985 | Spanish Grand Prix | Jarama |
17
|
Sid Griffiths Racing | Suzuki | ||
| 1985 | German Grand Prix | Hockenheimring |
Ret
|
Sid Griffiths Racing | Suzuki | ||
| 1985 | Austrian Grand Prix | Salzburgring |
27
|
Sid Griffiths Racing | Suzuki | ||
| 1985 | Dutch TT | Assen |
DNQ
|
Sid Griffiths Racing | Suzuki | ||
| 1985 | French Grand Prix | Le Mans |
17
|
Sid Griffiths Racing | Suzuki | ||
| 1985 | British Grand Prix | Silverstone |
26
|
Sid Griffiths Racing | Suzuki | ||
| 1985 | Swedish Grand Prix | Anderstorp |
17
|
Sid Griffiths Racing | Suzuki | ||
| 1986 | Spanish Grand Prix | Jarama |
17
|
Honda | |||
| 1986 | Italian Grand Prix | Monza |
Ret
|
Honda | |||
| 1986 | German Grand Prix | Nürburgring |
18
|
Honda | |||
| 1986 | Austrian Grand Prix | Salzburgring |
19
|
Honda | |||
| 1986 | Yugoslavian Grand Prix | Rijeka |
DNS
|
Honda | |||
| 1986 | Dutch TT | Assen |
15
|
Honda | |||
| 1986 | Belgian Grand Prix | Spa-Francorchamps |
Ret
|
Honda | |||
| 1986 | French Grand Prix | Paul Ricard |
17
|
Honda | |||
| 1986 | British Grand Prix | Silverstone |
Ret
|
Honda | |||
| 1986 | Swedish Grand Prix | Anderstorp |
18
|
Honda | |||
| 1986 | San Marino Grand Prix | Misano |
Ret
|
Honda | |||
| 1987 | Japanese Grand Prix | Suzuka |
13
|
Honda | |||
| 1987 | Spanish Grand Prix | Jerez |
15
|
Honda | |||
| 1987 | German Grand Prix | Hockenheimring |
20
|
Honda | |||
| 1987 | Italian Grand Prix | Monza |
DNS
|
Honda | |||
| 1987 | Austrian Grand Prix | Salzburgring |
17
|
Honda | |||
| 1987 | Yugoslavian Grand Prix | Rijeka |
16
|
Honda | |||
| 1987 | Dutch TT | Assen |
12
|
Honda | |||
| 1987 | French Grand Prix | Le Mans |
13
|
Honda | |||
| 1987 | British Grand Prix | Donington |
Ret
|
Honda | |||
| 1987 | Swedish Grand Prix | Anderstorp |
17
|
Honda | |||
| 1987 | Czechoslovakian Grand Prix | Brno |
17
|
Honda | |||
| 1987 | San Marino Grand Prix | Misano |
18
|
Honda | |||
| 1987 | Portuguese Grand Prix | Jarama |
14
|
Honda | |||
| 1988 | British Grand Prix | Donington |
23
|
Honda | |||
| 1988 | Swedish Grand Prix | Anderstorp |
23
|
Honda | |||
| 1988 | Czechoslovakian Grand Prix | Brno |
Ret
|
Honda | |||
| 1989 | Japanese Grand Prix | Suzuka | 29 |
DNS
|
Racing Team Katayama | Honda | |
| 1989 | Australian Grand Prix | Phillip Island | 20 |
12
|
Racing Team Katayama | Honda | 4 |
| 1989 | United States Grand Prix | Laguna Seca | 18 |
13
|
Racing Team Katayama | Honda | 3 |
| 1989 | Spanish Grand Prix | Jerez | 15 |
13
|
Racing Team Katayama | Honda | 3 |
| 1989 | Nations Grand Prix | Misano | 17 |
2
|
Racing Team Katayama | Honda | 17 |
| 1989 | German Grand Prix | Hockenheimring | 18 |
14
|
Racing Team Katayama | Honda | 2 |
| 1989 | Austrian Grand Prix | Salzburgring | 15 |
13
|
Racing Team Katayama | Honda | 3 |
| 1989 | Yugoslavian Grand Prix | Rijeka | 17 |
14
|
Racing Team Katayama | Honda | 2 |
| 1989 | Dutch TT | Assen | 17 |
19
|
Racing Team Katayama | Honda | |
| 1989 | Belgian Grand Prix | Spa-Francorchamps | 17 |
15
|
Racing Team Katayama | Honda | 0.5 |
| 1989 | French Grand Prix | Le Mans | 21 |
14
|
Racing Team Katayama | Honda | 2 |
| 1989 | British Grand Prix | Donington | 17 |
15
|
Racing Team Katayama | Honda | 1 |
| 1989 | Swedish Grand Prix | Anderstorp |
12
|
Racing Team Katayama | Honda | 4 | |
| 1989 | Czechoslovakian Grand Prix | Brno |
21
|
Racing Team Katayama | Honda | ||
| 1989 | Brazilian Grand Prix | Goiania |
14
|
Racing Team Katayama | Honda | 2 | |
| 1991 | Italian Grand Prix | Misano |
14
|
Padgett's Racing Team | Suzuki | 2 | |
| 1991 | German Grand Prix | Hockenheimring |
14
|
Padgett's Racing Team | Suzuki | 2 | |
| 1991 | Czechoslovak Grand Prix | Brno |
15
|
Padgett's Racing Team | Suzuki | 1 | |
| 1992 | Japanese Grand Prix | Suzuka |
DNQ
|
Padgett's Motorcycles | ROC Yamaha | ||
| 1992 | Hungarian Grand Prix | Hungaroring |
DNS
|
Padgett's Motorcycles | Harris Yamaha |