2012 FIM Technical Rules Motocross

01.37 THROTTLE CONTROLS
Snowmobiles and Sidecars must have an ignition cut-out fitted to operate when
the rider leaves the machine. This ignition cut-out system must interrupt the
primary circuit and must be wired for both the supply and return of the current.
This ignition cut-out must be placed as near to the centre of the handlebar as
possible and must be operated by a non-elastic string of adequate length and
thickness and for Sidecars strapped to the rider’s right-hand wrist. A spiral cable
(similar to that of a telephone wire) of maximum 1 m in length is permitted.
For Snowmobiles, it must be attached to the rider’s belt.
01.39 FOOTRESTS
39.01
Footrests may be of a folding type but in this case must be fitted with a device
which automatically returns them to the normal position, and an integral protection
is to be provided at the end of the footrest which must have at least an 8 mm
radius (see diagrams E and F).
01.41 BRAKES
For the main article, refer to the same number in the General section.
41.04
Snowmobiles must have at least one brake.
01.43 MUDGUARDS AND WHEEL PROTECTION
43.02
The front mudguard must cover the circumference of the wheel at an angle
sufficient enough to protect the rider from mud.
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