Description
Reed valves are the heartbeat of two-stroke performance, and the Boyesen Pro Series delivers the fastest throttle response and peak power available. If you’re running an RM250 and want measurable gains in acceleration and horsepower without sacrificing durability, these carbon fiber reeds are the upgrade serious racers choose. The dual-stage design keeps your engine responsive across the entire RPM range while maintaining the longevity you can’t get from traditional carbon fiber alternatives.
- Carbon fiber top reed
- Fiberglass/epoxy bottom reed
- Dual-stage reed design
- Maximizes horsepower output
- Maximizes torque delivery
- Quickest acceleration available
- Smooth throttle response
- Fast piston speed adjustment
- Extended reed life
- Sold per cylinder set
- RM250 fitment specific
- MPN: PSR-89
