2012 FIM Technical Rules Motocross

TECHNICAL RULES – GENERAL SECTION 

Table of contents 

01.01 INTRODUCTION ....................................................................... 3 

01.03 FREEDOM OF CONSTRUCTION ............................................. 3 

01.05 CATEGORIES AND GROUPS OF MOTORCYCLES ................ 3 

01.07 CLASSES .................................................................................. 4 

01.11 MEASUREMENT OF CAPACITY .............................................. 5 

01.17 SUPERCHARGING ................................................................... 6 

01.18 TELEMETRY ............................................................................. 6 

01.19 MOTORCYCLE WEIGHTS ........................................................ 6 

01.21 DESIGNATION OF MAKE ......................................................... 7 

01.23 DEFINITION OF A PROTOTYPE .............................................. 7 

01.25 GENERAL SPECIFICATIONS ................................................... 7 

01.26 DEFINITION OF A FRAME OF A SOLO MOTORCYCLE.......... 9 

01.27 STARTING DEVICES ................................................................ 9 

01.29 OPEN TRANSMISSION GUARDS ............................................ 9 

01.31 EXHAUST PIPES ...................................................................... 9 

01.33 HANDLEBARS .......................................................................... 10 

01.35 CONTROL LEVERS .................................................................. 11 

01.37 THROTTLE CONTROLS ........................................................... 11 

01.39 FOOTRESTS ............................................................................. 12 

01.41 BRAKES .................................................................................... 12 

01.43 MUDGUARDS AND WHEEL PROTECTION ............................. 12 

01.45 STREAMLINING ........................................................................ 12 

01.47 WHEELS, RIMS, TYRES ........................................................... 13 

01.49 TYRES ....................................................................................... 13 

01.50 ADDITIONAL SPECIFICATIONS FOR ELECTRIC 

POWERED VEHICLES ............................................................. 13 

01.53 ADDITIONAL SPECIFICATIONS FOR SIDECARS ................... 22 

01.55 NUMBER PLATES ..................................................................... 24 

01.63 FUEL, FUEL/OIL MIXTURES .................................................... 24 

01.65 EQUIPMENT AND PROTECTIVE CLOTHING.......................... 31 

01.67 WEARING OF HELMETS .......................................................... 31 

01.69 HELMET OPERATIVE INSTRUCTIONS ................................... 32 

01.70 RECOGNISED INTERNATIONAL APPROVAL MARKS ............ 33 

01.71 EYE PROTECTION ................................................................... 33 

01.73 NATIONAL COLOURS FOR HELMETS .................................... 33 

01.75 BADGE OF THE FIM ................................................................. 35 

01.76 NUMBER SASHES (BIBS) ........................................................ 35 

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General(e) Section

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2012 FIM Technical Rules Motocross

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