IMRRA
Series
Riders
Manufacturers
Chassis
Engines
Tires
Teams
Tracks
Stats
Riders
Chassis
Engines
Tires
Porrentruy
- Circuit de Courtedoux
Races
Events
Winner(s)
1954
-
Inter - Circuit Jurassien Professionnel
500cc
:
Pagani
|
350cc
:
Hug
|
250cc
:
Taveri
|
SC 500cc
:
Haldemann