J.G. Robertson
Record type: Motorsport Biographies
Competed in
| Race | Position | Time | Speed | Machine |
|---|---|---|---|---|
| 1953 Clubman Junior TT | 42 | 2:10:55.00 | 69.17 | BSA |
| 1948 Junior MGP | 59 | 3:39:10.00 | 61.98 | Velocette |
| 1947 Senior MGP | R | Norton | ||
| 1946 Senior MGP | R | Norton |
Record type: Motorsport Biographies
| Race | Position | Time | Speed | Machine |
|---|---|---|---|---|
| 1953 Clubman Junior TT | 42 | 2:10:55.00 | 69.17 | BSA |
| 1948 Junior MGP | 59 | 3:39:10.00 | 61.98 | Velocette |
| 1947 Senior MGP | R | Norton | ||
| 1946 Senior MGP | R | Norton |