Question A passenger on a motorcycle: Answers Must wear a helmet if under the age of 18. Must wear a helmet if they do not have a motorcycle license. Must wear a helmet if the operator has held their license for less than two years. Should not wear a helmet. Explanation In Hawaii, any motorcycle operator or passenger under the age of 18 must wear an approved helmet while riding. It is recommended that all operators and passengers wear helmets while riding motorcycles. Take a FREE Practice Test Now This questions appears in the following tests: Hawaii Practice Test