2012 FIM Technical Rules Motocross

55.13 For all other events:
85cc white background black numbers
125cc black background white numbers
250cc green background white numbers
500cc (open) yellow background black numbers
Sidecars yellow background black numbers
Supercross white background black numbers
01.63 FUEL, OIL AND COOLANTS
All motorcycles must be fuelled with unleaded petrol, as this term is generally
understood.
For the main article, refer to the same number in the General section.
01.65 EQUIPMENT AND PROTECTIVE CLOTHING
Clothing and footwear
During practising and racing, the riders and passengers must wear the following
clothing and footwear:
65.01
For Motocross
The rider and passenger must wear trousers and gloves of durable material. For
riders only knee-length boots of leather or an equivalent material must be worn.
In order to prevent abrasions, in an accident, the arms of riders and passengers
must be entirely covered by a protective garment of a suitable material.
For Snowmobiles
The rider must wear suitable clothing to afford protection against the cold and
against injury in case of a fall and padded knee-length boots or other solid
footwear.
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