Progressive fork spring set - YSS for Cagiva Alazzurra 650 (1985-1986) / Honda CB 550 F Supersport (1976-1978) / Honda CB 550 K Four (1977-1978) / Honda GL 500 D Silverwing (1982-1983) / Kawasaki Z 1000 A (1977) / Suzuki GSX 750 ES Half Fairing (1983-1986).
Product Description:
- YSS internal fork springs are stiffer than the original;
- The YSS progressive wound fork springs are made from high-quality steel;
- This allows for a reduction in wire thickness, making the spring more responsive;
- To improve oil flow in the fork, the springs are fully polished and ground on the top and bottom;
- This also reduces noise in the fork;
- The delivery package includes 2 springs for a complete fork conversion;
Technical Specifications:
- Spring model: progressive;
- Length: 485 mm;
- Diameter: 25 mm;
- Spring rate 1: 5.5 N/mm;
- Spring rate 2: 8.5 N/mm;
- Recommended viscosity: 10W-15W.
The complete application list can be found below.
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