The rules of the International Motorcycling Federation (FIM) specifies and details the characteristics of the circuits.
As for the track where the race takes place indicates: The materials used in the course must be natural (sand, dirt, etc.). The composition and surface preparation of the route must be able to retain water in order to ease maintenance and give good traction. The course does not have to cross a stretch of deep water should not be very rocky or stony (and paying special attention to the removal of stones). The use of concrete or paved surfaces on the course is prohibited. The length of the course varies between 1,600 and 4,800 meters, and there are a maximum of 1,750 m for certain categories. About the width of this mark is a minimum of 5 meters (recommending 8 meters wide).
The grid
The grid should have a cross bar at least 50 cm high, the output signal falls. The width of the grid should allow drivers to leave at least 30 or 15 individual sidecars, one beside the other (motorcycles occupy about one meter wide, while occupy two sidecars). Grilled, riders are placed in position with the engine running and, where appropriate, the official poster raises about missing out for 15 seconds, and then another, indicating that missing 5 Departures zero are indicated by a red light.
