| 1968 |
Giacomo Agostini
|
Jack Findlay
|
Gyula Marsovszky
|
| 1969 |
Giacomo Agostini
|
Gyula Marsovszky
|
Bohumil Staša
|
| 1972 |
Giacomo Agostini
|
Jack Findlay
|
Bruno Kneubühler
|
| 1973 |
Giacomo Agostini
|
|
|
| 1974 |
Phil Read
|
|
|
