It was bordered on many fast corners by trees and had a track surface so slippery at the most dangerous points that it would be disastrous to run a championship event there. With the unprecedented departure of the majority of major teams even before racing was due to begin, officials from the FIM decided that the only way to proceed at such short notice was to allow the event to continue, but that only the smaller 125cc and 250cc races would count towards the World Championship.
The track had many fast corners with tree-lined paths, making it hazardous at its most dangerous points. Officials from the FIM deemed that due to the departure of major teams before racing began, only the smaller 125cc and 250cc races would qualify for the World Championship.