Emergency fuel shut-off valve is mandatory. Shut-off must be attached to the rider with a lanyard of rawhide, wire, etc. Lanyard for secondary fuel shut-off must run through an eyelet, allowing the lanyard to be pulled in any direction, closing the shut-off. Handle bar mounted fuel shut off mandatory.

Must have front and rear guards to cover the width and at least the top run of the centre line of the sprocket of any chain or belts. Chain guard should be constructed from .060 inch steel or .125 inch aluminum mounted on at least two points that are securely mounted. Rear mounting point to be no more than six inches in front of rear axle. No clamps or tie straps.

Any type of clutch/belt may be used. Clutch assembly must have top covered by .060 inch steel or .125 inch aluminum.

Front and rear hydraulic type brakes are mandatory. Minimum rotor size is 9 inch diameter x .125 inch thickness. Rotors may be drilled only if original minimum diameter and thickness are maintained.

Handlebars must be at least 20 inches overall with grips removed. Handlebar controls must be located in a safe, workable position and mounted in a safe craftsman-like manner. Snap back throttle return mandatory. Handle bar mounted fuel shut off mandatory. Mechanical, cable, pneumatic or electrical actuation permitted. Foot pegs and brake pedal may be rear set. Any brake that can be operated from the legal foot peg location, with the foot on the peg will be permitted. Air shifters permitted. Air shift bottles must be stamped Dot-1800 pound and be securely mounted. No hose clamps or tie straps.

Front suspension minimum fork diameter 32 mm with a minimum travel of 2 inches. Steering dampener mandatory. Rear suspension not recommended.

Any type permitted. Frame material must be 4130 chrome moly. All frames must be mig or tig welded. Main rails must have at least .058 inch wall thickness at least 1 inch diameter. Rake angle must be at least 40 degrees. Frame may be used as an air tank; pressure not to exceed 150 P.S.I.. Some method of checking air pressure is mandatory.

Front wheel: minimum diameter 16 inches; maximum diameter 19 inches. Rear wheel: minimum diameter 15 inches; maximum diameter 18 inches, bead lock wheel required.

No body parts are necessary. Seat, tail section and rear fender may be incorporated into one unit.

Front fender optional. Rear fender must cover the full width of the rear tire and extend behind the rear axle and forward below seat position.

Must be external electric starter; roller or push starts prohibited. Battery covers required for starter cart/vehicle.

Must be mounted and constructed in a safe, craftsmanlike manner.

Starting in 2007 only CMDRA Licenses will be accepted if you’re running 9.99 or quicker. Application and physician’s physical forms available at the CMDRA office.

Valid CMDRA Pro Competition license with fuel endorsement required.

Must have full leathers. Chest Protection mandatory; must meet SFI 46.1 specification. Two piece suits (jacket and pants) must be joined with a zipper at the waist. Must have leather boots/ shoes which cover above ankle. Must have leather gloves. All protective clothing must be in good condition.