Intake System-Yamaha

The K&N Engineering Intake System for Yamaha (RK-3940) is designed to enhance airflow to your engine while ensuring effective filtration. This intake system is ideal for riders and mechanics who recognize that factory air restrictors can impact horsepower and throttle response. Whether you're restoring a vintage Yamaha or upgrading a performance bike, this K&N system aims to improve engine efficiency.

K&N's reusable air filter technology and optimized intake tract design work together to reduce intake restriction compared to stock systems. The system features a direct-fit design that integrates with Yamaha's fuel management and ignition timing, although some models may still require ECU adjustments for optimal performance. The compact footprint—measuring 9.5 by 4.875 by 11.75 inches and weighing just 4.06 pounds—facilitates straightforward installation without modifications to existing mounting points or fuel lines.

This intake system is beneficial for street riders, track enthusiasts, and mechanics performing engine refreshes who seek improved performance without extensive tuning. Installation requires only basic hand tools and can typically be completed in under an hour. Compatibility is specific to Yamaha models, so it's advisable to consult the fitment guide for precise applications.