South Dakota Motorcycle Helmet Law
South Dakota law requires all motorcycle operators and passengers under 18 to wear a helmet that complies with federal regulations. In addition, operators of a motorcycle are required to wear eye protection unless their motorcycle has a windshield of sufficient height under the statutes. Also, riders in an enclosed cab do not need to wear a helmet or eye protection under South Dakota law.
No person is permitted to operate a motorcycle with a passenger under 18 unless the passenger is wearing a helmet.
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