Front fork spring set - YSS for KTM Adventure 640 R (1999-2000) / KTM LC4 400 (1998) / KTM LC4-E 640 (1998-1999) / KTM SC 620 LC4 Super Competition (1998-1999) / KTM SX 620 LC4 (1998-1999) / KTM SXC 400 (1998) / KTM SXC 400 Tiainen (1999) / KTM SXC 540 (1998) / KTM SXC 540 Tiainen (1999).
Product Description:
- YSS inner fork springs are stiffer than the original;
- YSS fork springs are made from high-quality steel;
- This allows for a reduction in wire thickness, making the spring more responsive;
- To minimize noise and improve oil flow in the fork, the springs are fully polished and ground on the top and bottom;
- The delivery package includes 2 springs for a complete fork conversion;
Technical Specifications:
- Spring model: linear;
- Length: 528 mm;
- Diameter: 44 mm;
- Spring rate: 4.9 N/mm.
The complete application list can be found below.
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