Limited Normally Aspirated UTV.

Last Updated May 15, 2024

DEFINITION

Two seat vehicles built using a production UTV. Any manufacture UTV may be used providing the model used has been series produced in a minimum of 1000 units within a twelve (12) month period. Maximum engine size 1000cc. Engines must remain stock as delivered by OEM. Stock production body parts required.

GENERAL REGULATIONS

Entrants in this class shall comply with all applicable general regulations.

TECHNICAL REGULATIONS

This class is a limited production class, and all components will be considered restricted unless unrestricted herein.

NOTE: The UTR abbreviations listed under this class (I.E. UTR1 HELMETS) refer to UTR cross reference listings in the front of this book. These UTR cross-referenced listings are part of the class rules. Where a conflict occurs between the UTR cross-referenced listing and a rule contained under this class, the rule contained under this class takes priority.

SAFETY EQUIPMENT

UTR1 HELMETS

UTR2 PROTECTIVE CLOTHING

UTR3 EYE PROTECTION and DENTURES

UTR4 HEAD AND NECK RESTRAINTS

UTR5 FIRST AID KIT

UTR6 EMERGENCY SIGNALING DEVICES

UTR7 HORNS

UTR8 REFLECTORS

UTR9 FIRE SUPPRESSION EQUIPMENT

UTR10 SURVIVAL SUPPLIES

SUSPENSION COMPONENTS

Must retain stock pivot points as delivered by the manufacturer. Suspension pivot points may be reinforced but must remain in stock location. All pivot points will be used as designed by the manufacturer. No pivot points may be added or removed.

Suspension components may be of any manufacturer, must bolt to stock pivot points. Suspension joint type open i.e ball joint, rod end, spherical bearing. A-arms may be lengthened to the widest width supplied by the vehicle manufacture.

Maximum track width as measured outside of tire to outside of tire at ride height is eighty (78) inches.

Wheelbase is restricted to stock plus or minus three (3) inches.

UTR11 SHOCK ABSORBERS and BUMP STOPS

Must have one shock per wheel in working condition at start of event.

Limited to one shock per wheel.

Upper stock shock mounts may be reinforced but must remain in stock location. Lower shock mounting position is open.

No remote mounted shocks.

Solid bump stops only. No air/hydraulic bump stops allowed.

UTR12 SECONDARY SUSPENSION

No secondary suspension allowed.

Sway bar links are open.

UTR13 WHEELS and TIRES

Wheel diameter is fifteen (15) inch maximum.

Maximum tire size is 33x10.5x15.

Vehicle race number must be stamped on to all wheels. Minimum stamp size is ¼” (.250) inches.

UTR14 FASTENERS

STEERING and BRAKE COMPONENTS

UTR15 STEERING

OEM power steering boxes only. Steering rack is open, must bolt to stock mounts in the stock location.

No steering or turning brakes allowed.

UTR16 BRAKES

Stock OEM brakes mounted in stock location. Brake pads are open.

ELECTRICAL SYSTEM

UTR17 IGNITION

All OEM engine electronics must be used. No aftermarket ECU’s. Stock ECU’s may be re-flashed.

UTR18 BATTERIES

Batteries and locations are open. All batteries mounted in the drivers compartment must be sealed enclosure. All batteries must be securely mounted. Battery shut off switch is required.

UTR19 LIGHTS

All vehicles must have a minimum of two(2) taillights and two(2) brake lights. Tail and brake lights must be 3 inch in diameter. All UTV's must also have four(4) additional rear facing safety lights. One(1) solid amber, one(1) flashing amber, one(1) solid blue, and one(1) flashing blue. All safety lights must be LED with a minimum of 2000 lumens output. All safety lights must be wired directly to the battery switch. All lights must be mounted 48 inches from the ground minimum. Safety lights must be on at all times. Vehicles without working safety lights will not be allowed to leave the starting line or pass through a check point. All light subject to Unlimited Off-Road Racing approval.

UTR20 STARTERS

FUEL SYSTEM

UTR21 FUEL

UTR22 FUEL TANKS

UTR23 FUEL FILLERS LINES, VENTS, and CAPS

Stock fuel tank in the stock location. Fuel cell may be relocated to any location. Maximum fuel capacity is 15 gallons.

ENGINE, TRANSMISSION and DRIVELINES

UTR24 ENGINE and ENGINE DISPLACEMENT

Maximum engine displacement is 1000cc.

Engine cases and heads must remain stock as delivered by the manufacture.

All engine components must remain stock.

Header pipes, mufflers are open.

Fuel pumps, fuel regulators, fuel injectors, throttle bodies must remain OEM as delivered by the manufacture.

Stock OEM air boxes, air lines and charge tubes must be used. Air cleaner may be of any manufacturer.

Engine must remain in stock location.

UTR25 ENGINE REPLACEMENT

UTR26 TRANSMISSION

Transmission/gear box cases must remain stock.

All vehicles are required to have a functional reverse gear.

Front and rear differential cases must remain stock.

Any aftermarket direct bolt on clutch may be used.

Clutch spring rates are open.

UTR27 THROTTLES

UTR28 EXHAUST

Open

UTR29 DRIVE SHAFTS

Axle shafts are open. CV joints are open, must fit stock OEM stub axles.

UTR30 FLYWHEEL SHIELDS

UTR31 FLUID COOLERS

No add on coolers.

UTR32 AUXILIARY EQUIPMENT

UTR33 SUPERCHARGERS and TURBOCHARGERS

Engines must be normally aspirated.

VEHICLE SAFETY EQUIPMENT

UTR34 ROLL CAGES

Stock production roll cages are not allowed.

UTR35 SAFETY HARNESS

UTR36 SAFETY NETS

UTR37 SEATING

Race seats only. All stock seats must be removed.

GENERAL VEHICLE COMPONENTS

UTR38 DRIVERS COMPARTMENT

Metal firewalls protecting occupants from fire, fuel, and liquids are required. Metal firewalls, steel or aluminum must be .040 thick minimum. Any pass-through holes required must be keep to a minimum.

UTR39 DOORS AND LATCHES

No opening doors allowed. All door openings must be braced with 1.5x.095 tubing minimum. All door openings must be covered with metal .060 thick minimum.

UTR40 FIREWALLS

UTR41 BALLAST

UTR42 WEIGHT

UTR43 FLOORBOARDS

UTR44 BUMPERS and HAZARDOUS PROTRUSIONS

Safe front and rear bumpers required. No shape corners or hazardous protrusions.

UTR45 MIRRORS

UTR46 SKID PLATES

UTR47 STORAGE

UTR48 CHASSIS and BODY

Stock Chassis as delivered by the manufacture must be retained.

Chassis may be reinforced but all stock OEM components must be retained.

Stock grill, hood, dash, inner tub and front and rear fenders must be used.

All Stock OEM body parts must be used as delivered from the manufacture.

Minimum notching for roll cage and bumpers allowed.

Roof must be covered with sheet metal .060 thick minimum.

UTR49 HOSES

UTR50 IDENTIFICATION MARKINGS

Unlimited Off-Road Racing will assign race numbers.

UTR51 ADVERTISING on VEHICLES

UTR52 RADIO EQUIPMENT

UTR53 WORKMANSHIP

UTR54 TRACKING DEVICE