Not necessarily. The engine displacement, such as 1000cc or 600cc, is just one factor that can influence the performance of a motorcycle. While it is generally true that a higher displacement engine can produce more power, there are other factors that come into play, such as the overall design, weight, and aerodynamics of the motorcycle.
In many cases, a 1000cc motorcycle will be faster than a 600cc motorcycle due to its larger engine size and potential for higher power output. However, it's important to consider that there are different types of motorcycles designed for various purposes. Some motorcycles are built for speed and performance, while others prioritize factors like fuel efficiency or off-road capability.
Additionally, the skill and experience of the rider play a significant role in the performance of a motorcycle. A skilled rider on a 600cc motorcycle might outperform an inexperienced rider on a 1000cc motorcycle.
Ultimately, it's best to consider multiple factors, including the specific models of motorcycles being compared, their intended purpose, and the conditions in which they will be ridden, to determine which one would be faster in a given scenario.