Question Helmets are: Answers Required for all riders. Required only for riders who have had their license for less than two years. Required only for riders under the age of 18. Not required, but recommended. Explanation All motorcycle riders are required to wear helmets while riding in the state of New Jersey. A rider can be fined for failure to wear a helmet. This questions appears in the following tests: New Jersey Motorcycle Practice Test 11 New Jersey Motorcycle Practice Test 49