| Year | Winning Rider | Manufacturer |
|---|---|---|
| 1965 | Mike Hailwood (1/3) |
MV Agusta
|
| 1966 | Mike Hailwood (2/3) |
Honda
|
| 1967 | Mike Hailwood (3/3) |
Honda
|
| 1968 | Giacomo Agostini (1/4) |
MV Agusta
|
| 1969 | Giacomo Agostini (2/4) |
MV Agusta
|
| 1972 | Giacomo Agostini (3/4) |
MV Agusta
|
| 1973 | Giacomo Agostini (4/4) |
MV Agusta
|
| 1974 | Phil Read |
MV Agusta
|