TECHNICAL RULES MOTOCROSS (INCLUDING RULES FOR ... - FIM

The fixing points must not allow movement at the joints. If the angle of the inclination
is changeable, it must be locked in such a way that it is completely secured and not
only clamped on.
53.13
A structure of crossed belts or a metallic grid must be fitted to fill the opening
between the wheels and the sidecar, to prevent the rider’s foot from accidentally
touching the ground.
53.14
The minimum dimensions of a Sidecar available for passenger accommodation are:
Length: 1000 mm
Width: 400 mm
Height of the screen protecting the passenger: 300 mm minimum (see diagram F).
53.15
The ground clearance of a machine measured when the machine is loaded must not
be less than 175 mm.
53.16
For Sidecars, the rear wheel and the Sidecar wheel must be covered or protected
with a solid material.
53.20
The distance between the tracks left by the centre lines of the rear motorcycle wheel
and the Sidecar wheel must be at least: 800 mm and not more than 1150 mm.
53.21
On the opposite side of the Sidecar, the exhaust pipe must not extend more than 330
mm from the centre of the machine. On the other side, the exhaust pipe must not
extend beyond the width of the Sidecar (see diagram N).
The furthest extremity of the exhaust pipe must not exceed the vertical line drawn at
a tangent to the rear edge of the rear motorcycle tyre or the rear edge of the Sidecar
platform whichever is shorter.
01.55 NUMBER PLATES
They must be fitted as follows:
55.03
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