Description
If you’re running a RM125 and want measurable gains in throttle response and acceleration, upgrading to a quality reed valve system is one of the highest-ROI modifications available. The Boyesen Pro Series delivers the quick spool characteristics you need to stay competitive, while the dual-stage carbon fiber and fiberglass construction ensures consistent performance without premature wear. This is the reed setup chosen by riders who refuse to compromise between peak power and reliability.
- High-tech carbon fiber construction
- Dual-stage reed design
- Carbon fiber top reed
- Fiberglass/epoxy bottom reed
- Maximizes horsepower and torque
- Quickest acceleration available
- Smooth, responsive throttle feel
- Faster piston speed response
- Extended reed lifespan
- Cylinder set packaging
- One set per cylinder
- Fits RM125 ’99-’00
- MPN: PRO125
- Bolt-on installation









