UNLTD - Youth 170 Open

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2025 UNLTD Schedule

2025 Race Registration

Youth 170 Open O001 - O199

Polaris RZR 170 or Polaris ACE 150.

Polaris RZR 170 or Polaris ACE 150.

DEFINITION

Polaris RZR 170 or Polaris ACE 150. Driver must be at least five (5) years old. Maximum age is twelve (12) years old.

GENERAL REGULATIONS

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

TECHNICAL REGULATIONS

This class is an open class and all components are open except for those restricted 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

SFI-A5 rated fire suit is required. No karting suits.

UTR3 EYE PROTECTION and DENTURES

UTR4 HEAD AND NECK RESTRAINTS

SUSPENSION COMPONENTS

Suspension is open.

UTR11 SHOCK ABSORBERS and BUMP STOPS

UTR12 SECONDARY SUSPENSION

UTR13 WHEELS and TIRES

UTR14 FASTENERS

STEERING and BRAKE COMPONENTS

UTR15 STEERING

UTR16 BRAKES

ELECTRICAL SYSTEM

UTR17 IGNITION

UTR18 BATTERIES

UTR20 STARTERS

FUEL SYSTEM

UTR21 FUEL

UTR22 FUEL TANKS

UTR23 FUEL FILLERS LINES, VENTS, and CAPS

ENGINE, TRANSMISSION and DRIVELINES

UTR24 ENGINE and ENGINE DISPLACEMENT

Polaris RZR 170cc engine or Polaris ACE 150 engine mandatory.

Engines must remain stock as delivered by the manufacturer.

ECU is open.

Intake throttle body must remain stock as delivered.

UTR25 ENGINE REPLACEMENT

UTR26 TRANSMISSION

UTR27 THROTTLES

UTR28 EXHAUST

UTR29 DRIVE SHAFTS

UTR31 FLUID COOLERS

VEHICLE SAFETY EQUIPMENT

UTR34 ROLL CAGES

Aftermarket roll cage required. No stock cages.

UTR35 SAFETY HARNESS

UTR36 SAFETY NETS

UTR37 SEATING

Center seating is allowed.

GENERAL VEHICLE COMPONENTS

UTR38 DRIVERS COMPARTMENT

UTR39 DOORS AND LATCHES

UTR40 FIREWALLS

UTR41 BALLAST

UTR42 WEIGHT

UTR43 FLOORBOARDS

UTR44 BUMPERS and HAZARDOUS PROTRUSIONS

UTR45 MIRRORS

UTR46 SKID PLATES

UTR47 STORAGE

UTR48 CHASSIS and BODY

Roof panel required. Must be minimum of .060 thick metal.

UTR49 HOSES

UTR50 IDENTIFICATION MARKINGS

Race numbers required on both sides and rear of vehicle. black numbers on a white background only. Minimum six(6) inch tall numbers.

Unlimited Off-Road Racing will assign race numbers.

UTR51 ADVERTISING on VEHICLES

UTR52 RADIO EQUIPMENT

UTR53 WORKMANSHIP

UTR54 TRACKING DEVICE

O001 O002 O003 O004 O005 O006 O007 O008 O009 O010 O011 O012 O013 O016 O017 O019 O020 O021 O022 O023 O024 O025 O026 O027 O029 O030 O031 O032 O033 O034 O035 O036 O037 O038 O039 O040 O041 O042 O043 O044 O045 O046 O047 O048 O049 O050 O051 O053 O054 O055 O056 O057 O058 O059 O060 O061 O063 O064 O065 O066 O067 O068 O069 O070 O071 O072 O073 O074 O075 O076 O077 O078 O079 O080 O081 O082 O083 O084 O085 O086 O087 O088 O089 O090 O091 O092 O093 O094 O095 O096 O097 O098 O099 O100 O101 O102 O103 O104 O105 O106 O107 O108 O109 O110 O112 O113 O116 O117 O118 O119 O120 O121 O122 O123 O124 O125 O126 O127 O128 O129 O130 O131 O132 O133 O134 O135 O136 O137 O139 O140 O141 O142 O143 O144 O145 O146 O147 O148 O149 O150 O151 O152 O153 O154 O155 O156 O157 O158 O159 O160 O161 O162 O163 O164 O165 O166 O167 O168 O169 O170 O171 O172 O173 O174 O175 O176 O177 O178 O179 O180 O181 O182 O183 O184 O185 O186 O187 O188 O189 O190 O191 O192 O193 O194 O195 O196 O197 O198 O199