Under Nevada law, a moped cannot have a displacement of more than: Question Under Nevada law, a moped cannot have a displacement of more than: Answers 25 cubic centimeters. 50 cubic centimeters. 75 cubic centimeters. 100 cubic centimeters. Explanation Under Nevada law, a moped is defined as a motor-driven scooter or cycle with a small engine that has a displacement of no more than 50 cubic centimeters. This questions appears in the following tests: Nevada Motorcycle Practice Test 12