Idaho 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 Idaho.
- OHV Registration Sticker: An annual OHV registration sticker is required for all off-road vehicles. This sticker must be displayed on the vehicle and is valid from January 1 through December 31.More Information For Registering OHV’s found here.
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 valid license plate. Idaho STAR
- 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 Idaho, ensure it meets the following equipment requirements:
- Lighting: Headlight (with high/low beam), taillight, and brake light. Idaho STAR
- Signals: Front and rear turn signals. Idaho STAR
- Mirrors: At least one rearview mirror that provides a view of the highway for at least 200 feet to the rear. Idaho STAR
- Horn: Functional horn audible at 200 feet. Idaho Parks and Recreation
- Tires: DOT-approved tires suitable for highway use.
- License Plate Bracket: Properly mounted with illumination. Idaho STAR
- Speedometer: Functional speedometer.
- Muffler: Must be equipped to prevent excessive noise and have a Forest Service-approved spark arrestor.
Documentation Needed:
- Proof of Ownership: Title or Manufacturer’s Certificate of Origin (MCO).
- Identification: Valid driver’s license.
- Insurance: Proof of liability insurance meeting Idaho’s minimum requirements. Ada County
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: Idaho offers numerous trails for off-road vehicles. A valid OHV registration sticker 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. Idaho STAR
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 Idaho. 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 Idaho’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 Idaho Laws and Agencies
- Idaho Department of Parks and Recreation (IDPR): Oversees OHV registration and trail information.
- Idaho Transportation Department (ITD): Manages vehicle titling and registration.
- Idaho Revised Statutes (I.C.):
- § 49-666: Details helmet requirements for motorcycle and OHV operators under 18.
- § 67-7122: Outlines OHV registration requirements.
- § 49-301: Specifies driver’s license requirements for operating motor vehicles.
- § 49-666: Details helmet requirements for motorcycle and OHV operators under 18.
Start your street-legal process today with Dirt Legal.