1974 Vintage Motorcycle Sportsman
Motorcycle 1974 & Earlier
Click here to download a PDF.
Motorcycles with any engine displacement larger than 125cc and built in 1974 or earlier, any 1975 model that is same as 1974 model is also included in this class.
Entrants in this class shall comply with all applicable general regulations.
Entrants must be able to show proof of manufacture year of motorcycle. This class is a restricted class, and all components will be considered restricted unless unrestricted herein.
NOTE: The TR abbreviations listed under this class (I.E. TR1 HELMETS) refer to TR cross reference listings in the front of this book. These TR cross-referenced listings are part of the class rules. Where a conflict occurs between the TR cross- referenced listing and a rule contained under this class, the rule contained under this class takes priority.
TR2 PROTECTIVE CLOTHING
TR3 EYE PROTECTION and DENTURES
TR5 FIRST AID KIT
TR10 SURVIVAL SUPPLIES
TR11 SHOCK ABSORBERS and BUMP STOPS
Rear suspension must retain same two (2) stocks as delivered by the manufacturer.
Shock mounting location must retain stock concept.
TR13 WHEELS and TIRES
STEERING and BRAKE COMPONENTS
Steering stabilizers are allowed.
Drum brakes only, unless proof can be provided bike came with disc brakes.
Must have operating tail and brake light.
ENGINE, TRANSMISSION and DRIVELINES
TR24 ENGINE and ENGINE DISPLACEMENT
Engine must be dated and of the same manufacture as the frame it is mounted in.
Engine must be air cooled.
Engine may be two (2) or four (4) stroke as delivered by Manufacturer.
TR25 ENGINE REPLACEMENT
TR31 FLUID COOLERS
GENERAL VEHICLE COMPONENTS
TR48 CHASSIS and BODY
Frame must remain stock as delivered by the manufacturer.
Stock serial numbers must be retained.
Material may be added for strengthening purposes.
Frame and suspension must be 1974 or earlier.
Suspension must retain stock concept.
TR50 IDENTIFICATION MARKINGS
M400 will assign race numbers.
TR51 ADVERTISING on VEHICLES
TR52 RADIO EQUIPMENT
TR54 TRACKING DEVICE