Description
A reed valve is your engine’s first line of defense for induction efficiency—and the quality directly impacts throttle response, acceleration, and overall power delivery. The Boyesen Pro Series Reed leverages proven dual-stage technology and carbon fiber construction to give you measurable gains in responsiveness and horsepower without compromising durability. If you’re serious about maximizing YZ250 performance, this is the upgrade that delivers real results.
- Carbon fiber top reed
- Fiberglass/epoxy bottom reed
- Dual-stage patented design
- Quick piston speed response
- Smooth throttle control
- Maximum acceleration potential
- Extended reed life
- Bolt-on fitment
- RAD34D application
- Part PSR87
- OEM-grade durability
