399 Pro Motorcycle X1 - X99
Up to 399cc
Up to 399cc
DEFINITION
Engine size must be between 251cc – 399cc.
No age restrictions.
GENERAL REGULATIONS
Entrants in this class shall comply with all applicable general regulations.
TECHNICAL REGULATIONS
This class is an open class and all components will be considered open unless restricted herein.
NOTE: The MTR abbreviations listed under this class (I.E. MTR1 HELMETS) refer to MTR cross reference listings in the front of this book. These MTR cross-referenced listings are part of the class rules. Where a conflict occurs between the MTR cross- referenced listing and a rule contained under this class, the rule contained under this class takes priority.
SAFETY EQUIPMENT
MTR1 HELMETS
See MTR1 in Motorcycle Technical Rules.
MTR2 PROTECTIVE CLOTHING
See MTR2 in Motorcycle Technical Rules.
MTR3 EYE PROTECTION and DENTURES
See TR3 in Motorcycle Technical Rules.
MTR5 FIRST AID KIT
See MTR5 in Motorcycle Technical Rules.
MTR8 REFLECTORS
See MTR8 in Motorcycle Technical Rules.
MTR10 SURVIVAL SUPPLIES
See MTR10 in Motorcycle Technical Rules.
SUSPENSION COMPONENTS
MTR13 WHEELS and TIRES
See MTR13 in Motorcycle Technical Rules.
MTR14 FASTENERS
See MTR14 in Motorcycle Technical Rules.
STEERING and BRAKE COMPONENTS
MTR15 STEERING
See MTR15 in Motorcycle Technical Rules.
MTR16 BRAKES
See MTR16 in Motorcycle Technical Rules.
ELECTRICAL SYSTEM
MTR17 IGNITION
See MTR17 in Motorcycle Technical Rules.
MTR18 BATTERIES
See MTR18 in Motorcycle Technical Rules.
MTR19 LIGHTS
See MTR19 in Motorcycle Technical Rules.
FUEL SYSTEM
MTR21 FUEL
See MTR21 in Motorcycle Technical Rules.
ENGINE, TRANSMISSION and DRIVELINES
MTR24 ENGINE and ENGINE DISPLACEMENT
Engine size must be between 251cc – 399cc.
MTR25 ENGINE REPLACEMENT
See MTR25 in Motorcycle Technical Rules.
MTR28 EXHAUST
See MTR28 in Motorcycle Technical Rules.
MTR31 FLUID COOLERS
See MTR31 in Motorcycle Technical Rules.
GENERAL VEHICLE COMPONENTS
MTR48 CHASSIS and BODY
See MTR48 in Motorcycle Technical Rules.
MTR49 HOSES
See MTR49 in Motorcycle Technical Rules.
MTR50 IDENTIFICATION MARKINGS
See MTR50 in Motorcycle Technical Rules.
MTR51 ADVERTISING on VEHICLES
See MTR51 in Motorcycle Technical Rules.
MTR52 RADIO EQUIPMENT
See MTR52 in Motorcycle Technical Rules.
MTR53 WORKMANSHIP
See MTR53 in Motorcycle Technical Rules.
TR54 TRACKING DEVICE
See MTR54 in Motorcycle Technical Rules.