What the Kit IncludesBased on the instruction sheet, a complete version of this kit contains:
• (2) Primary (long) Springs
• (4) Secondary (short) Springs
• (4) Washers
• PVC Spacer MaterialHow It WorksThe system uses stacked springs arranged \"in series\" to achieve three progressive stiffness rates:
• Stiffest rate (0.46 kg/mm): Provided by the primary long spring alone.
• Softer rate (0.43 kg/mm): Achieved when one secondary short spring is active in the sequence.
• Softest rate (0.40 kg/mm): Achieved when a second short spring is added to the stack.Models• Honda XR650L: 1993 – 2019
• Honda XR600R: 1985 – 2000
• Suzuki DR350 / DR350S / DR350SE: 1990 – 1999
• Suzuki DR250 / DR250S / DR250SE: 1990 – 1995
• Suzuki DR650: 1996 – 1999
• Kawasaki KDX200: 1986 – 1992 (Note: Does not fit later model KDX200s)
• Kawasaki KDX250: 1991
• Yamaha IT200 / IT250 / IT490: 1983 – 1987🏁 Vintage Motocross Models• Honda CR125R / CR250R / CR500R: 1982 – 1989
• Honda CR480R: 1983
• Suzuki RM125 / RM250 / RM500: 1983 – 1987
• Suzuki RM465: 1981 – 1982
• Kawasaki KX125 / KX250 / KX500: 1983 – 1987
• Yamaha YZ125 / YZ465: 1981 – 1988
