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NHRA adds ATV classes to bracket program
03/21/2002
NHRA, in conjunction with the leading manufacturers of All-Terrain Vehicles (ATV), including Suzuki, Honda, and Yamaha, has constructed a set of rules to allow participation by owners of ATVs at NHRA facilities across the country.
NHRA, in its continuous push to make the sport of drag racing available to a wide cross-section of the general public, has added an All-Terrain Vehicle category to its bracket program. The NHRA Technical Department has developed requirements and specifications for All Terrain Vehicles to allow for these vehicles to compete within its own categories at local tracks throughout the country.
NHRA All Terrain Vehicles Program
Requirements and Specifications
Supplemental Program
(eff. 3/1/02)
DESIGNATION
For All Terrain Vehicles (ATV) running directly on the track surface. All ATV's must be of the four-wheel variety, factory-production assembled, and showroom available and in the hands of the general public. No three wheel vehicles allowed.
Competition structure will be conducted on an E.T. dial-your-own format. Competition with motorcycles and snowmobiles permitted. Competition with any other type of vehicle prohibited.
Data recorders (except for "playback"-type tachometers or EGT meters) are prohibited in all E.T. Brackets.
Computers (except for OEM) are prohibited in all E.T. Brackets.
ENGINE: 1
Must be OEM-type produced and built for ATV use. Automotive or aircraft engines prohibited.
Exhaust
Any functionally silenced exhaust permitted. Exhaust must be directed away from rider when in riding position.
Fuel
Gasoline, methanol or racing gasoline only. Nitromethane and/or nitrous oxide prohibited.
Throttle
Throttle must be located in OEM location and must operate in OEM configuration.
DRIVETRAIN: 2
Chain and/or Belt Guards
Mandatory. Must have front and rear chain guards to cover the width and at least the top run to the centerline of the sprocket of any chains or belts. The clutch assembly must have at least half of the side surface covered. The guards should be .060-inch steel or 1/8-inch aluminum unless otherwise stock equipped and be securely mounted.
BRAKES AND SUSPENSION: 3
Brakes
Must be OEM-type. Any additional assembly must be added onto the drive axle shaft. Axle shaft may be lengthened to accommodate the additional brake.
Suspension
Shocks and spring may be changed, must maintain OEM configuration. The All Terrain Vehicle (ATV) must maintain its OEM wheelbase and tread width.
CHASSIS: 4
Chassis
Chassis/frame must be OEM stock qualified. Any modifications that alter the stock appearance of the tunnel are prohibited.
Fuel Tank
Aftermarket fuel tank may replace OEM fuel tank. OEM appearance of All Terrain Vehicle must be retained. Pressurized fuel tank prohibited.
TIRES & WHEELS: 5
Tires
Stock off-road tires permitted for eighth-mile competition only. Stiff sidewall street tires must be installed for quarter-mile application.
Wheels
Automotive wheels permitted.
BODY: 7
Air Dams, Air Foils
Air dams, streamlining equipment, spoilers, fairings or frontal projections prohibited.
Wings
Prohibited.
ELECTRICAL: 8
Ignition
Timed ignition interruption devices (stutter boxes) prohibited. Starting line and/or "high side" rev limiters permitted. Two-steps, rev limiters, or any other rpm-limiting devices, legal unto themselves but altered or installed so as to function as a down-track rpm controller, prohibited. General Regulations 8:2, 8:3, 8:5.
Ignition Shutoff
Must be equipped with a positive ignition cutoff switch, capable of de-energizing entire ignition system, attached to rider with a lanyard.
Tail Light
Functional tail light mandatory for night operations.
SUPPORT GROUP: 9
Parachute
Prohibited.
RIDER: 10
Credentials
A valid NHRA Competition License mandatory for any rider running 9.99 (6.39) seconds or quicker. Valid state driver's license mandatory for all other riders. See General Regulations 10:4.
Helmet
Full-face helmet meeting SNELL 90, K98, 2000 or SFI 31.2 or 41.2 mandatory. Effective 1/1/2002 SNELL 85 helmets prohibited.
Protective Clothing
Full all-leather or SFI Spec 40.1/2 suit mandatory for All Terrain Vehicles running 120 mph or faster. Two-piece suits must be joined at the waist with a zipper. Jacket and pants or suit meeting SFI Spec 40.1/1 or 40.1/2 (or leather jacket), leather boots/shoes above the ankle and leather gloves mandatory.
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