Arizona offers diverse terrains ideal for dirt biking. However, understanding the state’s regulations is crucial to ensure safe and legal riding.
Registration and Titling Requirements
Off-Road Use:
- Title Requirement: All off-highway vehicles (OHVs), including dirt bikes, must be titled in Arizona.
- OHV Decal: An annual OHV Decal is required for vehicles designed primarily for off-highway use and weighing less than 2,500 pounds. This decal must be affixed to the upper left corner of the license plate.
Street Use:
- Eligibility: To operate a dirt bike on public roads, it must be converted to meet street-legal requirements.
- Registration: Street-legal dirt bikes must be registered and display a license plate.
- Insurance: Liability insurance is mandatory for all street-legal motorcycles.
Converting a Dirt Bike to Street Legal
To make your dirt bike street-legal in Arizona, ensure it meets the following equipment requirements:
- Lighting: DOT-approved headlight (with high/low beam), taillight, and brake light.
- Signals: Front and rear turn signals.
- Mirrors: At least one rearview mirror.
- Horn: Functional horn.
- Tires: DOT-approved tires suitable for highway use.
- License Plate Bracket: Properly mounted with illumination.
- Speedometer: Functional speedometer.
- Muffler: Must be equipped to prevent excessive noise.
Documentation Needed:
- Proof of Ownership: Title or Manufacturer’s Certificate of Origin (MCO).
- Identification: Valid driver’s license.
- Insurance: Proof of liability insurance meeting Arizona’s minimum requirements.
Inspection:
- A VIN inspection may be required to verify the bike’s identity and ensure all equipment meets state standards.
Where You Can Ride Your Dirt Bike
Off-Road Areas:
- Designated Trails: Arizona offers numerous trails for off-road vehicles. A valid OHV Decal is required to ride on these trails.
- Private Property: Riding on private land is permitted with the landowner’s consent.
Public Roads:
- Only street-legal dirt bikes with proper registration and equipment are allowed on public roads.
- Off-road vehicles are prohibited from operating on the interstate highway system.
Rider Requirements
- Minimum Age: Operators must be at least 16 years old to ride on public roads and must possess a valid driver’s license.
- Helmet Use: Riders under 18 are required by law to wear a helmet that meets DOT standards.
- Eye Protection: Required unless the motorcycle is equipped with a windshield of sufficient height and design.
Insurance Requirements
- Off-Road Use: Insurance is not legally required for dirt bikes used exclusively off-road. However, it’s recommended to protect against theft, damage, or liability.
- Street Use: Liability insurance is mandatory for all street-legal motorcycles in Arizona. Minimum coverage limits are:
- $25,000 for one person sustaining bodily injury or death in an accident.
- $50,000 for two or more persons sustaining bodily injury or death in an accident.
- $15,000 for damage to others’ property.
- $25,000 for one person sustaining bodily injury or death in an accident.
Penalties for Non-Compliance
Failure to adhere to Arizona’s dirt bike laws can result in:
- Fines: Monetary penalties for violations such as unregistered vehicles or lack of required equipment.
- Impoundment: Unauthorized vehicles may be impounded by law enforcement.
- License Suspension: Operating without a valid license or insurance can lead to suspension of driving privileges.
Relevant Arizona Laws and Agencies
- Arizona Department of Transportation (ADOT): Oversees vehicle titling and registration.
- Arizona Game & Fish Department: Manages OHV Decal requirements and trail information.
- Arizona Revised Statutes (A.R.S.):
Start your street-legal process today with Dirt Legal.


