Öhlins NIX 30 Street Cartridge Kit Kawasaki Z900RS (2017–2025) – view 2⟲ 360° — drag me
02 · Data & docs

The facts.

Technical data
BrandÖhlins
Part NumberFKS 511
FitmentKawasaki Z900RS (2017–2025)
Road ApprovalNot documented by Öhlins
Mounting PositionFront Cartridge
Stroke120 mm
Spring Part NumberSold separately, see notes
Recommended Öhlins Oil01309
Product LineNIX 30 Street
Type CodeNIX30S
DescriptionThe whole story▼

This is the Öhlins FKS 511, released for the Kawasaki Z900RS as built between 2017 and 2025. Nothing visible changes on the bike, and everything about how the fork works does.

Key Features

  • Listed by Öhlins for the Kawasaki Z900RS (2017–2025) and no other machine
  • Damper stroke 120 mm
  • Fitted spring: Öhlins Sold separately, see notes

How Öhlins Builds It

Materials read unremarkably on paper — aluminium, steel, nitrogen — and the difference lies in how precisely they are made. Machining, anodising, assembly and testing all happen in the same building rather than across a supply chain. Öhlins machines its own critical components instead of buying them in, and the tolerances are where the money goes.

What Changes Inside the Fork

Stroke is 120 mm, which is the travel Öhlins has to work with on this linkage. Damping was developed with 01309 in the unit. Öhlins identifies the spring as Sold separately, see notes. Öhlins supplies a baseline setting with the kit, established on the model it is listed for. The kit is re-valvable, so a suspension technician can go beyond the click range if needed.

About the NIX 30 Street Range

Street valving favours real road surfaces over circuit use: the fork moves early and keeps the tyre loaded. Öhlins supplies model-matched springs with the kit; the standard outer tubes stay on the bike. Compression and rebound become separately adjustable, which on most standard forks they were not.

The Z900RS in Particular

Heritage bikes are frequently ridden two-up, which exposes a soft standard damper immediately. The 2017–2025 generation kept the same chassis dimensions throughout, so one Öhlins number serves the whole run.

Fitment and Compatibility

Öhlins releases FKS 511 against the Kawasaki Z900RS (2017–2025). It is model-specific rather than universal: length, stroke and valving are all set for this chassis. Öhlins notes for this application: 08790-xx spring series Öhlins lists this fitment under the model designations Z900RS , Z900RS Performance.

Road Approval

Road approval: unclear. There is no published German approval for this part on the Kawasaki Z900RS, and we would rather tell you that than imply one exists.

Fitting and Setup Service

This is not a part to rush. Öhlins recommends installation by an authorised service centre, and we are an authorised Öhlins service centre — fitting, servicing and setup all happen here. Get in touch if you would like the work done with the order.

Specifications

  • Brand: Öhlins
  • Part Number: FKS 511
  • Fitment: Kawasaki Z900RS (2017–2025)
  • Road Approval: Not documented by Öhlins
  • Mounting Position: Front Cartridge
  • Stroke: 120 mm
  • Spring Part Number: Sold separately, see notes
  • Recommended Öhlins Oil: 01309
  • Product Line: NIX 30 Street
  • Type Code: NIX30S
FitmentWhich bikes this fits▼
  • Kawasaki Z900RS (2017–2025)
07 · Support

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08 · Paddock

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