| Year | Grand Prix | No. | Team | Maufacturer | Grid | Position | Pts Points |
|---|---|---|---|---|---|---|---|
| 1965 | Isle of Man TT | Matchless | 5 | 2 | |||
| 1966 | Isle of Man TT | Matchless | Ret | 0 | |||
| 1967 | Isle of Man TT | Matchless | Ret | 0 | |||
| 1968 | Isle of Man TT | Matchless | 19 | 0 | |||
| 1969 | Isle of Man TT | Matchless | 8 | 3 | |||
| 1970 | Isle of Man TT | Matchless | 7 | 4 | |||
| 1971 | Isle of Man TT | Cowles-Matchless | 4 | 8 | |||
| 1972 | Isle of Man TT | Matchless | 7 | 4 | |||
| 1973 | Isle of Man TT | Matchless | 9 | 2 | |||
| 1975 | Isle of Man TT | Matchless | 15 | 0 | |||
| Avg. | 0 | 9.3 | 3.8 |