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BOYESEN 685 dual-stage motorcycle reeds are designed as a performance replacement for specific KTM two-stroke applications. Their dual-stage reed design provides faster opening and closing, greater low-pressure response, and increased velocity and flow area.
This reed set is listed for the 1999–2000 KTM 125 EXC, 1999–2000 KTM 125 SX, and 1999–2004 KTM 200 EXC. The manufacturer part number is 685, and the vendor part number is 59-7685.
BOYESEN states that this minor component change can provide major horsepower improvements, along with longer overall life. The reeds are also designed so that engine damage will not occur if a reed breaks.
Features:
- Dual-stage reed design
- Minor change designed to provide major horsepower improvements
- Faster opening and closing
- Greater low-pressure, low-throttle response
- Greater velocity and flow area
- Longer overall life
- Designed to prevent engine damage if a reed breaks
- Fits 1999–2000 KTM 125 EXC
- Fits 1999–2000 KTM 125 SX
- Fits 1999–2004 KTM 200 EXC
- Manufacturer part number: 685
- Vendor part number: 59-7685
Fitment:
1999 KTM 125 Exc
1999 KTM 125 SX
1999 KTM 200 Exc
2000 KTM 125 Exc
2000 KTM 125 SX
2000 KTM 200 Exc
2001 KTM 200 Exc
2002 KTM 200 Exc
2003 KTM 200 Exc
2004 KTM 200 Exc
2005 KTM 200 Exc
2006 KTM 200 Xc