2013 AMA Supercross an FIM World Championship Rulebook
2013 AMA Supercross an FIM World Championship Rulebook
2013 AMA Supercross an FIM World Championship Rulebook
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1.12 Brakesa. All motorcycles must be equipped with adequate <strong>an</strong>d operatingfront <strong>an</strong>d rear wheel brakes.b. Brakes must be the same type as the production units. Discbrakes may only be replaced with disc brakes <strong>an</strong>d drum brakesmay only be replaced with drum brakes.c. Carbon fiber or carbon composite brake discs <strong>an</strong>d/or carriersare not permitted.d. Aluminum or tit<strong>an</strong>ium rear brake discs are prohibited.1.13 Tiresa. Studded tires, other th<strong>an</strong> rubber, are prohibited.b. Paddle (continuous radial rib) tires <strong>an</strong>d tires with lugs having aheight of more th<strong>an</strong> 3/4 inch are prohibited.1.14 Telemetry <strong>an</strong>d Traction Controla. Electronic devices designed specifically for traction control areprohibited. This includes sensors that c<strong>an</strong> determine frontwheel speed, <strong>an</strong>d <strong>an</strong>y electronic control to the brake systems.b. Electronic tr<strong>an</strong>smitting of information, including radiocommunication to or from a moving motorcycle, is prohibitedwith the following exceptions:1. Official tr<strong>an</strong>sponders utilized for scoring purposes(m<strong>an</strong>datory equipment assigned by Timing <strong>an</strong>d Scoring).2. Data or video tr<strong>an</strong>smitted or recorded for the sole use by theapproved event television production.3. Electronic lap timing devices are permitted. Tr<strong>an</strong>smitterbeacons must be in <strong>an</strong> approved area. GPS may be usedfor lap timing <strong>an</strong>d track mapping only.Receivers/<strong>an</strong>tennas shall not be mounted on the front areaof the front number plate.c. Data logging is permitted but the information may not bedownloaded in real time from a moving motorcycle.d. Information downloaded from the motorcycle may bereviewed by the Chief Technical Inspector at <strong>an</strong>y time. Anydata viewed by the Chief Technical Inspector will remainconfidential.1.15 Weighing Proceduresa. Weight limits may checked by race officials at <strong>an</strong>y time duringthe meet.b. The Chief Technical Inspector may require that motorcycles becle<strong>an</strong>ed of excess mud or dirt before weighing.c. The official scale will be available during the meet for weightchecking.d. No fluids may be added to the motorcycle, except water to theengine cooling system.e. The fuel must be drained from the fuel t<strong>an</strong>k.f. Ballast attached to motorcycles is not permitted.g. See weight requirements listed under each <strong>Supercross</strong> class.10
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