Power Reed Set – Kawasaki
The BOYESEN Power Reed Set for Kawasaki 639 is engineered to deliver superior airflow and performance for your motorcycle. Laboratory flow analysis confirms that Boyesen® dual-stage reeds outperform standard reeds by allowing greater flow velocity across the entire operating pressure range. This results in improved throttle response and acceleration from start-up through top speed. Crafted specifically for Kawasaki models with a 639cc engine, these reeds are designed to maximize power output and enhance overall engine efficiency.
The BOYESEN Power Reed Set features precision-engineered dual-stage reeds that optimize air intake, increasing power delivery and throttle sensitivity. Whether you’re racing or riding for recreation, these reeds provide a noticeable boost in engine performance and responsiveness. Installation is straightforward and compatible with Kawasaki models, ensuring a seamless upgrade in your vehicle’s intake system.
Vehicle fitments include Kawasaki models with a 639cc engine, providing a perfect fit for Kawasaki motorcycles designed for off-road or street use. The set includes all necessary components for a complete upgrade, making it an essential addition for enthusiasts seeking reliable, high-performance reed valves. Enhance your Kawasaki 639 today with these high-quality Boyesen reeds for improved acceleration, throttle control, and overall engine performance.
Features:
- Laboratory flow analysis confirms superior airflow over standard reeds
- Dual-stage design allows greater flow velocity across operating pressures
- Improves throttle response from start-up to top acceleration
- Engineered for Kawasaki 639cc models for a precise fit
- Provides increased power output and engine efficiency





