What minimum equipment should a street-legal motorcycle have?

Answer: B — Headlight, taillight, brakelight, and front and rear brakes

A street-legal motorcycle must comply with specific safety and visibility standards to ensure the safety of both the rider and other road users. The correct choice emphasizes the essential equipment that contributes to these standards. A headlight is critical for visibility during low-light conditions, ensuring that the motorcycle can be seen by other motorists. The taillight and brakelight are equally important for signaling intentions to other drivers, indicating when the motorcycle is moving or stopping. Having both front and rear brakes is vital for the control and safe operation of the motorcycle, allowing for effective stopping power in various situations. While other answers suggest inadequate or unnecessary equipment, they fail to capture the comprehensive safety requirements mandated for street-legal motorcycles.