New Mexico Motorcycle Laws and Information
1. Helmet Law (Age-Specific)
New Mexico operates a partial helmet law. It is not required for all riders, but is mandatory for minors.
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Requirement: Any person under the age of eighteen (18) must wear a securely fastened safety helmet when operating or riding as a passenger on a motorcycle.
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Standards: The helmet must meet the standards specified by the secretary of the state Motor Vehicle Division.
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Citation (Official Link):
2. Eye Protection
Mandatory eye protection is required for all riders unless the motorcycle is equipped with a fixed windshield.
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Requirement: A person operating a motorcycle not having a fixed windshield of a type approved by regulation of the secretary shall wear an eye protective device (such as a faceshield attached to a safety helmet, goggles, or safety eyeglasses).
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Citation (Official Link):
3. Riding/Passenger Requirements
There are rules on where the operator and passenger must sit and how the motorcycle must be equipped for a passenger.
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Operator Position: The operator must ride only upon the permanent and regular seat and must have their feet upon the footrests.
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Passenger Position: If a motorcycle is designed to carry more than one person, the passenger may ride upon the permanent and regular seat (if designed for two) or upon another seat firmly attached to the rear or side. The passenger must have their feet upon the passenger footrests.
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Lane Splitting: General traffic laws in New Mexico do not permit lane splitting (riding a motorcycle between lanes of stopped or slowly moving traffic).
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Citation (Official Link):
4. License and Endorsements
To legally operate a motorcycle, a rider must have the proper endorsement on their driver's license.
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Requirement: To operate a motorcycle with an engine of $100$ or more cubic centimeters piston displacement, a driver must have an "M" class license or a valid driver's license with the appropriate motorcycle endorsement ("W" endorsement). Lower displacement engines have different endorsements ("Z" for $<50$ cc, "Y" for $50-100$ cc).
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Citation (Official Link):
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New Mexico Statutes, Driver License Endorsements (This information is often governed by Motor Vehicle Division regulations which cite statutes like $\S$ 66-5-1 et seq.) You can find detailed regulations on endorsements in the New Mexico Administrative Code, or in this MVD document which references the laws.
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