Stock production UTV. Vehicles built using a stock Turbo or NA UTV.

Last Updated April 10, 2024

DEFINITION

Single or two seat vehicles built using a production UTV. Any manufacturer 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. Stock production body parts required.

GENERAL REGULATIONS

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

TECHNICAL REGULATIONS

This class is a Stock Production class, and all components will be considered Stock Production unless unrestricted herein. If the rules herein don’t say that you can do it, you CAN’T do it and it will be deemed illegal. Manufactures body, engine, transmission, chassis, and drive train components must be retained.

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.

Maximum track width as measured outside of tire to outside of tire at ride height is eighty (80) inches.

Wheelbase is restricted to stock plus eight (8) inches.

UTR11 SHOCK ABSORBERS and BUMP STOPS

Limited to one shock per wheel in working condition at the start of the event. No external bypass shocks.

UTR12 SECONDARY SUSPENSION

No secondary suspension allowed.

UTR13 WHEELS and TIRES

Wheel diameter is fifteen (15) inch maximum.

Maximum tire size is 33x12.5x15.

UTR14 FASTENERS

STEERING and BRAKE COMPONENTS

UTR15 STEERING

Tie rods are open.

UTR16 BRAKES

ELECTRICAL SYSTEM

UTR17 IGNITION

UTR18 BATTERIES

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 two (2) 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 tank in stock location or Fuel cell in any location.

ENGINE, TRANSMISSION and DRIVELINES

UTR24 ENGINE and ENGINE DISPLACEMENT

Maximum engine displacement is 1000cc.

Engine must remain stock as delivered by the manufacturer.

No engine parts may be modified or replaced.

Air cleaners, air cleaner tubes, fuel injectors, header pipes, mufflers and clutches are open.

Fuel pumps, fuel regulators, and fuel filters are open.

Engine must remain in stock location.

Optional engine sealing will begin in Nevada, California and Arizona beginning Jan 1, 2024.

By January 1st 2025, engines must be sealed by an Unlimited Off-Road Racing approved engine sealer.

Clutch housing cooling inlet and outlet tubes (snorkels) may be modified or replaced.

UTR25 ENGINE REPLACEMENT

UTR26 TRANSMISSION/DIFFERENTIAL

Transmission must remain stock as delivered by the manufacturer.

Bearings may be changed, but must be stock dimensions. No ceramic or hybrid bearings allowed.

Use of a retainer plate is allowed.

High gear spacers are allowed.

Axle lengths are open.

UTR27 THROTTLES

UTR28 EXHAUST

UTR29 DRIVE SHAFTS

UTR30 FLYWHEEL SHIELDS

UTR31 FLUID COOLERS

Additional coolers allowed. Additional radiator may be used, stock radiator in the stock location must be used.

UTR32 AUXILIARY EQUIPMENT

UTR33 SUPERCHARGERS and TURBOCHARGERS

Maximum turbo size is 40mm.

Turbochargers and their components must remain stock as delivered by the manufacture.

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

UTR39 DOORS AND LATCHES

Doors must be securely closed.

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 grill, hood, and front and rear fenders must be used.

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