Upgrade the intake performance of your compatible Honda CR500R with Boyesen Motorcycle Pro Reeds, part number PSR-50. This model-specific RAD Valve reed system is designed for select 1985–1990 and 1998–2001 Honda CR500R motorcycles, providing a tailored fit for the engine’s model year and displacement. Manufacturer part number: PSR-50. Vendor part number: 59-8550.
The Boyesen RAD Valve redirects the incoming intake charge for more even distribution to the intake ports. By maintaining consistent flow velocity, the system supports quicker throttle response and the potential for increased horsepower throughout the powerband. Each RAD Valve is engineered specifically for its intended application rather than using a universal design, helping ensure compatibility with the listed Honda CR500R fitment.
- Model-Specific Design: Tailored to select Honda CR500R model years and engine displacement.
- Improved Intake Distribution: Redirects the intake charge for more even delivery to the intake ports.
- Consistent Flow Velocity: Helps provide responsive throttle performance and increased horsepower potential.
- One-Piece Construction: Durable integrated design for dependable service.
- Easy Installation: Designed as a direct-fit performance upgrade for compatible applications.
Boyesen PSR-50 Motorcycle Pro Reeds fit the following Honda CR500R applications: 1985, 1986, 1987, 1988, 1989, 1990, 1998, 1999, 2000, and 2001. Verify the motorcycle model year and engine displacement before installation to confirm proper fitment.
Features:
- Model-Specific Design: Tailored to select Honda CR500R model years and engine displacement.
- Improved Intake Distribution: Redirects the intake charge for more even delivery to the intake ports.
- Consistent Flow Velocity: Helps provide responsive throttle performance and increased horsepower potential.
- One-Piece Construction: Durable integrated design for dependable service.
- Easy Installation: Designed as a direct-fit performance upgrade for compatible applications.
Fitment:
1985 Honda CR500R
1986 Honda CR500R
1987 Honda CR500R
1987 Kawasaki KX500
1988 Honda CR500R
1988 Kawasaki KX500
1989 Honda CR500R
1989 Kawasaki KX500
1990 Honda CR500R
1990 Kawasaki KX500
1991 Honda CR500R
1991 Kawasaki KX500
1992 Honda CR500R
1992 Kawasaki KX500
1993 Honda CR500R
1993 Kawasaki KX500
1994 Honda CR500R
1994 Kawasaki KX500
1995 Honda CR500R
1995 Kawasaki KX500
1996 Honda CR500R
1996 Kawasaki KX500
1997 Honda CR500R
1997 Kawasaki KX500
1998 Honda CR500R
1998 Kawasaki KX500
1999 Honda CR500R
1999 Kawasaki KX500
2000 Honda CR500R
2000 Kawasaki KX500
2001 Honda CR500R
2001 Kawasaki KX500
2002 Kawasaki KX500
2003 Kawasaki KX500
2004 Kawasaki KX500