| Year | Winning Rider | Manufacturer |
|---|---|---|
| 1964 | Jack Ahearn |
Norton
|
| 1965 | Giacomo Agostini (1/10) |
MV Agusta
|
| 1966 | Giacomo Agostini (2/10) |
MV Agusta
|
| 1967 | Giacomo Agostini (3/10) |
MV Agusta
|
| 1968 | Giacomo Agostini (4/10) |
MV Agusta
|
| 1969 | Giacomo Agostini (5/10) |
MV Agusta
|
| 1970 | Giacomo Agostini (6/10) |
MV Agusta
|
| 1971 | Giacomo Agostini (7/10) |
MV Agusta
|
| 1972 | Giacomo Agostini (8/10) |
MV Agusta
|
| 1973 | Giacomo Agostini (9/10) |
MV Agusta
|
| 1974 | Phil Read |
MV Agusta
|
| 1975 | Giacomo Agostini (10/10) |
Yamaha
|
| 1976 | Pat Hennen |
Suzuki
|
| 1977 | Johnny Cecotto |
Yamaha
|
| 1978 | Wil Hartog (1/2) |
Suzuki
|
| 1979 | Boet van Dulmen |
Suzuki
|
| 1980 | Wil Hartog (2/2) |
Suzuki
|
| 1981 | Marco Lucchinelli |
Suzuki
|