Description
- Maintain flow velocity through the valve and redirect intake charge for more even distribution to intake ports
- Provide quicker, sharper throttle response and more horsepower throughout rpm range
- Specially-designed reed cage holds Boyesen’s patented dual-stage reeds
- Boyesen’s hot RAD valves ratchet up your torque
- One-piece cast aluminum bolts in easily
- Order one set per cylinder
Yamaha — YZ 250 — (2004, 2003, 2002, 2000, 2001)






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