Kawasaki NINJA ZX-4R [2024-2025] - Fork springs Racing linear 320mm

YSS Racing fork springs linear 320 mm for the Kawasaki NINJA ZX-4R

The YSS Racing linear fork springs are designed for sport-oriented riders and a controlled, predictable response. During dynamic road driving, they support stable behavior of the front wheel and precise feedback, even during strong braking maneuvers. The linear winding ensures consistent spring rate behavior.

Function and design

With a length of 320 mm and a spring rate of 8 N/mm on the top and bottom, the spring offers a clearly defined characteristic. The top and bottom diameters are each 29.8 mm. The design is intended for use on the road and is tailored to use with YSS fork oil.

Technical data

• Type: Linear
• Length: 320mm
• Spring rate at top K1: 8 N/mm
• Spring rate below K2: 8 N/mm
• Top diameter: 29.8mm
• Bottom diameter: 29.8mm
• Packaging: in pairs
• Use: street
• Material: high-strength steel

Vehicle assignment

The YSS fork springs Racing linear 320 mm are assigned to the Kawasaki NINJA ZX-4R from 2024-2025.

Packaging in pairs makes it easier to choose the front fork. The linear characteristic curve is suitable for drivers who value direct feedback, precise response and stable braking behavior during sporty road driving.