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Motorcycle Identification Number

A Vehicle Identification Number or VIN is a series of Arabic numbers and Roman letters that is assigned to a motor vehicle for identification purposes. U.S. regulations require a motor vehicle manufacturer to assign to each motorcycle manufactured for sale in the United States a 17-character VIN that uniquely identifies the vehicle. The VIN must be correctly formatted and include a check digit in Position 9 that is mathematically correct under a formula that is included in the regulation. VINs are required to have 17 characters that do not include the letters I, O, or Q. Beginning with the 1980 model year, the VINs of any two vehicles manufactured within a 60-year period must not be identical. The Identification Number for the motorcycle shall be composed of further specified parts: the first part is World Manufacturer Identifier Code — WMI. A manufacturer that intends to assemble motor vehicles in the United States must obtain a WMI from SAE International. The code consists of three signs — letters or numbers. The first sign specifies a geographic region, the second one — is a country within that region, and the third one is — a particular Manufacturer. In case the Manufacturer produces less than 1000 motor vehicles per year, the third sign always shall be 9. For identification of the particular Manufacturer, mentioned institution assigns characters in the 12, 13, and 14 Positions of the VIN. The second part of the motorcycle identification number is VDS — vehicle descriptor section. It takes 4–8 positions of the VIN and is defined for specification of the vehicle characteristics: Make, Line or Model, Type of Motorcycle, Engine Type, and Net Brake Horsepower. Another section of the VIN consists of one character, called the “check digit”, which occupies Position 9 in the VIN. The check digit’s purpose is to provide a means for verifying the accuracy of any VIN transcription by using a mathematical formula for calculating the check digit. The fourth section of the VIN consists of Positions 10 through 17. Position 10 is reserved to encode the model year of the vehicle. Position 11 of a VIN is used to encode the vehicle’s plant of manufacture. Positions 12 through 17 of the VIN represent the number sequentially assigned by the manufacturer in the production process if the manufacturer is a high-volume manufacturer. If the manufacturer is a low-volume manufacturer, Positions 12, 13, and 14 combined with Positions 1, 2, and 3 of the VIN uniquely identify the motorcycle manufacturer.

By using Quadvin VIN check it is available to verify what company is responsible for the certification process of your all-terrain vehicle, motorcycle, scooter, moped, utility vehicle, or side-by-side vehicle; get official certification data for engines assembled in those vehicles; verify a company's registration code in EPA as well as their manufacturer's information.

If you want to lookup VIN number and order Certification data from Quadvin, you need to know the Commercial Model Name of your Vehicle.

Quadvin Certification Data Report is based on ATV VIN, Motorcycle VIN, Side By Side VIN number, Certified Model Name, or VECI ( Vehicle Information Control Information ) label data. If you want to check VIN number of your Motorcycle, ATV, or Utility Vehicle and need assistance in determining Commercial Model Name of the Vehicle, please email us at and attach the Vehicle Identification Number and a photo of the Vehicle Emission Control Information Label ( VECI ).