Upgrade the intake performance of your 1999 or 2000 Honda CR250R with Boyesen 684 dual-stage motorcycle reeds. Designed as a direct-fit replacement component, these reeds are engineered to improve air and fuel flow through the reed valve system while supporting responsive two-stroke engine performance. The Boyesen brand is recognized for precision-engineered powersports components, and manufacturer and vendor part number 684 provides reliable identification for the correct application.
The dual-stage reed design uses staged reed petals to promote faster opening and closing across a broad range of engine speeds. This construction helps improve low-throttle response, increase intake velocity, and provide a greater effective flow area. The result is more responsive engine behavior and improved horsepower potential from a relatively simple intake-system upgrade. These motorcycle reeds are designed specifically for fitment with the 1999 Honda CR250R and 2000 Honda CR250R.
Boyesen 684 reeds are also built for long service life in demanding motocross and off-road riding conditions. Their design helps reduce the risk of engine damage if a reed breaks, offering added protection compared with conventional reed materials. Installation should be completed according to the motorcycle manufacturer’s service procedures, with the reed cage and related components inspected before installation. Confirm the year and model of your Honda CR250R before ordering to ensure proper fitment.
Features:
- Dual-stage reed design for improved intake control
- Faster opening and closing for responsive engine performance
- Improved low-pressure, low-throttle response
- Greater intake velocity and flow area
- Potential horsepower improvement with a simple intake upgrade
- Longer overall service life
- Designed to help prevent engine damage if a reed breaks
- Fits 1999 Honda CR250R and 2000 Honda CR250R
- Brand: Boyesen
- Manufacturer part number: 684
- Vendor part number: 684
Fitment:
1999 Honda CR250R
2000 Honda CR250R