Bigger motorcycles often have four cylinders for several reasons:
Power and Performance: Four-cylinder engines can generate more power and torque compared to engines with fewer cylinders. The additional cylinders allow for a larger displacement and more efficient combustion, resulting in increased performance. This is particularly important for larger motorcycles that may require more power to accelerate and maintain higher speeds.
Smoothness: Four-cylinder engines tend to run more smoothly than engines with fewer cylinders. The firing intervals in a four-cylinder engine are evenly spaced, resulting in smoother power delivery and reduced vibrations. This enhances the overall riding experience, especially at higher speeds.
Balance and Stability: The arrangement of four cylinders in an inline or V configuration helps with the balance and stability of the motorcycle. The even distribution of weight across the chassis improves the overall handling and maneuverability, making the motorcycle more predictable and easier to control.
Market Expectations: In the motorcycle industry, four-cylinder engines have become synonymous with larger, more powerful motorcycles. It has become a convention or expectation among riders that bigger motorcycles often feature four cylinders. This perception has been influenced by the success of various iconic motorcycles over the years that have utilized four-cylinder engines.
While four-cylinder engines offer advantages in terms of power, smoothness, and market perception, it's important to note that there are also motorcycles with different engine configurations, such as twin-cylinder (two cylinders) or single-cylinder engines. These configurations have their own set of advantages and may be more suitable for certain types of motorcycles or riding preferences. Ultimately, the choice of engine configuration depends on the specific design goals and intended use of the motorcycle.