No, a Harley-Davidson motorcycle is not faster than an airplane. Airplanes are designed to travel at high speeds and can achieve velocities that far surpass those of motorcycles. The top speeds of airplanes vary greatly depending on the type and purpose of the aircraft. Commercial airliners, for example, typically cruise at speeds around 500 to 600 miles per hour (800 to 965 kilometers per hour) or even faster.
On the other hand, Harley-Davidson motorcycles, while known for their power and performance, have top speeds that generally range between 110 to 160 miles per hour (177 to 257 kilometers per hour) for their street-legal models. There are specialized racing motorcycles that can achieve higher speeds, but even those are significantly slower than airplanes.
It's worth noting that comparing the speed of a motorcycle to an airplane is like comparing apples to oranges. Motorcycles are designed for land transportation, emphasizing maneuverability, and delivering an exhilarating riding experience, while airplanes are engineered for air travel, focusing on aerodynamics and long-distance transportation.