K-Tech FSS-007 fork oil seal kit for Kawasaki ZX-6R 636 ZX-6RR 2005–2026
02 · Data & docs

The facts.

Technical data
BrandK-Tech
Part NumberFSS-007
Seal ManufacturerNOK
Inner Diameter41.00 mm
Outer Diameter54.00 mm
Height11.00 mm
Quantity2 oil seals (one pair)
FitmentKawasaki ZX-6R / 636 / ZX-6RR (2005–2026)
Fork TypeOhlins / SOQI
DescriptionThe whole story▼

Fork seals are the first line of defence against oil contamination and loss of damping precision — and on the Kawasaki ZX-6R, 636, and ZX-6RR (2005–2026), degraded seals compromise both safety and handling. The K-Tech FSS-007 oil seal kit uses NOK-manufactured seals, a brand trusted by OEM and aftermarket suspension specialists worldwide for exceptional sealing integrity and service life. Fitted in pairs, these seals restore factory-correct fork performance and prevent the oil weep that leads to faded damping and contaminated brake components.

Key Features

  • NOK-sourced seals — a globally respected manufacturer relied upon by suspension engineers for consistent, long-service sealing performance.
  • Direct OEM replacement geometry: 41.00 mm inner diameter, 54.00 mm outer diameter, 11.00 mm height — no modification or shimming required.
  • Supplied as a complete pair so both legs are refreshed in a single service, ensuring balanced fork behaviour.
  • Prevents oil weepage that degrades damping response, contaminates the brake disc, and compromises rider safety.
  • Specifically validated for Kawasaki ZX-6R / 636 / ZX-6RR models fitted with Ohlins / SOQI forks.

Precision Sealing for a High-Performance Supersport Fork

The ZX-6R's fork demands tight dimensional tolerances to maintain consistent compression and rebound damping across a full riding season. The FSS-007 kit matches those tolerances exactly. NOK's seal compound resists the thermal cycling generated during track use while remaining supple enough at low temperatures to maintain a positive lip seal on cold morning roads. This dual-environment capability is what separates quality replacement seals from generic alternatives that crack or harden prematurely.

Installation Note

This kit is intended for Kawasaki ZX-6R / 636 / ZX-6RR (2005–2026) models equipped with Ohlins / SOQI forks. Installation requires specialist tools and suspension knowledge. Fitting must be carried out exclusively by an authorised K-Tech Service Centre to guarantee full performance and safety. Attempting installation without the correct equipment may damage the seals or fork internals.

Fitment & Compatibility

  • Kawasaki ZX-6R — model years 2005 to 2026
  • Kawasaki ZX-636 — model years 2005 to 2026
  • Kawasaki ZX-6RR — model years 2005 to 2026
  • Fork type: Ohlins / SOQI — confirm fork specification before ordering

Specifications

Part Number FSS-007
Inner Diameter 41.00 mm
Outer Diameter 54.00 mm
Height 11.00 mm
Quantity Supplied 2 oil seals (one pair)
Seal Manufacturer NOK
Fitment Kawasaki ZX-6R / 636 / ZX-6RR (2005–2026), Ohlins / SOQI forks
What's includedEverything in the box▼
  • 2x K-Tech oil seals (FSS-007) for Kawasaki ZX-6R / 636 / ZX-6RR (2005–2026)
FitmentWhich bikes this fits▼
  • Kawasaki ZX-6R / 636 / RR (2005–2026)
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