Description
The stock reed valve in your CR250 is limiting your engine’s potential across the entire RPM range. Boyesen’s dual-stage reed design increases flow velocity at every operating pressure point, translating to sharper throttle response at low RPMs and sustained power delivery all the way to peak acceleration. If you’re serious about squeezing every bit of performance from your two-stroke, upgrading to a proven reed design isn’t optional—it’s essential.
Laboratory flow analysis confirms that Boyesen reeds outperform standard designs by permitting greater flow velocity under all conditions. This means faster intake charge movement, better cylinder filling, and measurable gains in acceleration and top-end power.
- Dual-stage reed design
- Laboratory-tested performance
- Enhanced flow velocity
- Improved low-RPM response
- Increased peak acceleration
- CR250 2004 fitment
- Bolt-on installation
- MPN: 6118
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