Öhlins NIX 30 Street Cartridge Kit Kawasaki Z900RS CAFE (2017–2023) – view 2⟲ 360° — drag me
02 · Data & docs

The facts.

Technical data
BrandÖhlins
Part NumberFKS 511
FitmentKawasaki Z900RS CAFE (2017–2023)
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▼

The Kawasaki Z900RS CAFE in its 2017–2023 form takes Öhlins part number FKS 511. Fork internals are where manufacturers save money, because nobody sees them.

Key Features

  • Ships with spring Sold separately, see notes
  • Bolts to the Kawasaki Z900RS CAFE (2017–2023) using the standard mounting points
  • Stroke: 120 mm

Materials and Manufacture

Every Öhlins dealer can re-valve the unit, because the shim stack is a documented, serviceable assembly. Öhlins machines its own critical components instead of buying them in, and the tolerances are where the money goes. Machining, anodising, assembly and testing all happen in the same building rather than across a supply chain.

About the NIX 30 Street Range

The 30 mm cartridge is the larger of Öhlins' two NIX sizes and suits fork tubes from about 43 mm upwards. Street valving in the NIX 30 kit favours road surfaces over circuit use. The NIX 30 uses Öhlins' split-function layout — compression in one fork leg, rebound in the other.

What This Means on the Z900RS CAFE

Retro and heritage machines usually inherit their suspension specification from cost targets rather than from chassis development. Öhlins covers the 7-year production run of this generation with a single part number, which means the mounting and the linkage stayed unchanged across it.

Damping and Adjustment

120 mm is the stroke Öhlins specifies against the Z900RS CAFE's ratio. The fitted spring is Sold separately, see notes, and Öhlins lists neighbouring rates under their own numbers. Fill specification is 01309, which is part of the setting rather than a detail. The kit is re-valvable, so a suspension technician can go beyond the click range if needed. Each fork leg takes one function, so each adjuster has a single, clear effect.

Fitment and Compatibility

The fitment stated here is the Kawasaki Z900RS CAFE in its 2017–2023 form, under Öhlins part number FKS 511. Öhlins lists no other machine against this number, so it is not a unit that can be adapted to a neighbouring model. Öhlins notes for this application: 08790-xx spring series

Road Approval

Road approval: Öhlins publishes no approval status for this combination. Rather than guess, we say so — ask us before ordering if road use matters to you.

Fitting and Setup Service

Öhlins recommends that its suspension is fitted by an authorised service centre. We are one, and we do the work here: installation, servicing and a proper setup. Ask us and we will include it with the order.

Specifications

  • Brand: Öhlins
  • Part Number: FKS 511
  • Fitment: Kawasaki Z900RS CAFE (2017–2023)
  • 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 CAFE (2017–2023)
07 · Support

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08 · Paddock

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