While there are motorcycles with turbochargers, they are relatively rare compared to turbocharged cars. The primary reason for this is that motorcycles have different design considerations and technical challenges that make the implementation of turbocharging more complex. Here are a few factors that contribute to the limited presence of turbocharged motorcycles:
Size and Weight: Motorcycles are typically smaller and lighter than cars, and adding a turbocharger along with its associated components (intercooler, piping, etc.) can significantly increase the size and weight of the motorcycle. This can affect the handling, balance, and maneuverability, which are crucial factors for motorcycles.
Packaging Constraints: Motorcycles have limited space for engine components, especially when compared to the engine bays of cars. Finding an appropriate location for the turbocharger, intercooler, and exhaust system can be challenging without compromising the overall design and aesthetics of the motorcycle.
Power-to-Weight Ratio: Motorcycles already have a high power-to-weight ratio compared to most cars, which means they tend to be quicker and more agile. While a turbocharger can provide additional power, the gains may not be as significant relative to the weight and size penalties associated with the turbocharging system.
Heat Dissipation: Turbocharged engines generate a significant amount of heat, and managing this heat is crucial for the reliability and performance of the engine. In cars, there is typically more space for heat management systems, such as larger radiators or intercoolers. However, in motorcycles, the available surface area for heat dissipation is limited, making it more challenging to keep the engine and turbocharger cool.
Cost: Turbocharging adds complexity and cost to the manufacturing process of motorcycles. It requires additional components, engineering, and development, which can increase the overall price of the motorcycle. Manufacturers need to consider whether the market demand justifies the added expense.
It's worth noting that some high-performance motorcycles, particularly in the sportbike and sport-touring segments, do feature turbocharging or supercharging. These models often target specific niches of enthusiasts who prioritize maximum power and performance. However, due to the aforementioned challenges, turbocharged motorcycles remain less common compared to their four-wheeled counterparts.