Upgrade your two-stroke engine with Boyesen 607 dual-stage motorcycle reeds, engineered to improve throttle response, airflow, and overall engine performance. The dual-stage design allows the reeds to open and close faster, helping deliver stronger low-pressure response during low-throttle operation while supporting increased velocity and flow area throughout the powerband.
Designed as a direct-fit performance replacement, the Boyesen 607 reed assembly is compatible with select Honda applications, including the 1981-1983 Honda ATC250R, 1982-1983 Honda CR480R, 1986-1989 Honda TRX250R, and 1989 Honda FL400R Pilot. Verify the vehicle model and year before installation to ensure proper fitment.
Boyesen dual-stage reeds provide a practical performance improvement with a minor component change. Their construction is designed for faster reed movement, improved engine breathing, and longer overall service life. The reed design also helps minimize the risk of engine damage if a reed breaks, making the Boyesen 607 a dependable choice for recreational riding, racing, and performance-focused maintenance.
Manufacturer Part Number: 607
Vendor Part Number: 607
Brand: Boyesen
Features:
- Dual-stage reed design supports improved engine breathing and response
- Faster opening and closing helps improve throttle reaction
- Minor component change can provide significant horsepower improvements
- Greater low-pressure response improves low-throttle performance
- Increased air velocity and flow area support stronger engine output
- Designed for longer overall service life
- Reed design helps reduce the risk of engine damage if a reed breaks
- Fits select Honda CR480R, FL400R Pilot, TRX250R, and ATC250R models
Fitment:
1978 Honda CR250R
1979 Honda CR250R
1980 Honda CR250R
1981 Honda ATC250R
1981 Honda CR250R
1982 Honda ATC250R
1982 Honda CR250R
1982 Honda CR480R
1983 Honda ATC250R
1983 Honda CR250R
1983 Honda CR480R
1983 Kawasaki KDX 200
1983 Kawasaki KX500
1984 Honda ATC250R
1984 Honda CR250R
1984 Kawasaki KDX 200
1985 Honda ATC250R
1985 Honda CR250R
1985 Honda Fl350R Odyssey
1985 Kawasaki KDX 200
1986 Honda ATC250R
1986 Honda CR250R
1986 Honda TRX250R
1986 Kawasaki KDX 200
1987 Honda CR250R
1987 Honda TRX250R
1987 Kawasaki KDX 200
1987 Suzuki RM250
1988 Honda TRX250R
1988 Kawasaki KDX 200
1988 Suzuki RM250
1989 Honda Fl400R Pilot
1989 Honda TRX250R
1989 Kawasaki KDX 200
1990 Kawasaki KDX 200
1991 Kawasaki KDX 200
1992 Kawasaki KDX 200
1993 Kawasaki KDX 200
1994 Kawasaki KDX 200
1995 Kawasaki KDX 200
1996 Kawasaki KDX 200
1997 Kawasaki KDX 200
1997 Kawasaki KDX 220R
1998 Kawasaki KDX 200
1998 Kawasaki KDX 220R
1999 Kawasaki KDX 200
1999 Kawasaki KDX 220R
2000 Kawasaki KDX 200
2000 Kawasaki KDX 220R
2001 Kawasaki KDX 200
2001 Kawasaki KDX 220R
2002 Kawasaki KDX 200
2002 Kawasaki KDX 220R
2003 Kawasaki KDX 200
2003 Kawasaki KDX 220R
2004 Kawasaki KDX 200
2004 Kawasaki KDX 220R
2005 Kawasaki KDX 200
2005 Kawasaki KDX 220R
2006 Kawasaki KDX 200