The actual mileage can vary depending on factors such as the make and model of the motorcycle, the type of engine, maintenance practices, riding conditions, and the owner's care.
Some motorcycles have been known to exceed 100,000 miles (160,000 kilometers) and even reach 200,000 miles (320,000 kilometers) or more on their original engines. These high-mileage motorcycles often belong to dedicated owners who follow strict maintenance schedules, use quality lubricants, and take good care of their bikes.
It's important to note that achieving such high mileage requires regular maintenance, including oil changes, valve adjustments, and other necessary services. Additionally, factors like riding style, road conditions, and the type of terrain can affect the longevity of the engine.
Overall, while it is possible for motorcycles to achieve high mileage with their original engines, it's important to prioritize proper maintenance and care to increase the chances of longevity and reliable performance.