{"product_id":"k-tech-fork-oil-seal-dust-cap-kit-yamaha-yzf-r6-rj27","title":"K-Tech Fork Oil Seal \u0026 Dust Cap Kit – Yamaha YZF-R6 RJ27 (2017–2026) FSK-019","description":"\u003cp\u003eManufactured by NOK — one of the world's foremost producers of suspension sealing components — the K-Tech FSK-019 fork oil seal and dust cap kit delivers the highest standard of protection for your Yamaha YZF-R6 RJ27. Correct sealing is a genuine safety-critical function: a weeping fork leg affects damping consistency, contaminates brake components and compromises handling precision. This kit removes that risk with OE-grade materials engineered to K-Tech's exacting fitment tolerances for the 2017–2026 RJ27 chassis.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eSafety-critical sealing: prevents fork oil loss that would otherwise degrade damping performance and compromise braking and handling.\u003c\/li\u003e\n\u003cli\u003eManufactured by NOK, a globally recognised leader in suspension seals — same supply chain used by professional race teams.\u003c\/li\u003e\n\u003cli\u003ePrecision-dimensioned at 43.00 mm inner diameter and 55.00 mm outer diameter for a perfect press-fit on the RJ27 fork legs.\u003c\/li\u003e\n\u003cli\u003eTwo oil seals effectively block oil migration past the stanchion, preserving fork fluid integrity across extended service intervals.\u003c\/li\u003e\n\u003cli\u003eTwo dust caps form the first line of defence, excluding road grit, moisture and fine particulates before they can reach the oil seal lip.\u003c\/li\u003e\n\u003cli\u003eDirect K-Tech part number FSK-019 ensures you receive the correct, verified kit — no cross-referencing required.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eBuild Quality \u0026amp; Engineering\u003c\/h2\u003e\u003cp\u003eNOK's elastomer compounds are formulated to remain flexible across a wide temperature range, resisting the hardening and micro-cracking that causes lesser seals to weep prematurely. The dust caps are dimensioned to sit flush with the fork lowers, eliminating the gap where grime accumulates and accelerates wear on the seal lip. Together, the two-stage sealing system — dust cap plus oil seal — extends service life and maintains the consistent damping feel that the YZF-R6 RJ27's chassis is built around.\u003c\/p\u003e\u003ch2\u003ePerformance \u0026amp; Safety on Road and Track\u003c\/h2\u003e\u003cp\u003eOn a high-revving, track-focused machine like the YZF-R6 RJ27, suspension integrity is not a comfort issue — it is a safety issue. Oil weeping from the fork seals coats the dust wiper, finds its way onto brake components and introduces an unpredictable variable into braking distances. Fitting a certified, correctly dimensioned seal kit at the recommended service interval is the single most cost-effective way to keep the front end behaving as Yamaha and K-Tech intend. The FSK-019 kit makes that service straightforward and reliable.\u003c\/p\u003e\u003ch2\u003eFitment \u0026amp; Compatibility\u003c\/h2\u003e\u003cp\u003eThis kit is engineered exclusively for the following model:\u003c\/p\u003e\u003cul\u003e\u003cli\u003eYamaha YZF-R6 RJ27 — model years 2017, 2018, 2019, 2020, 2021, 2022, 2023, 2024, 2025, 2026\u003c\/li\u003e\u003c\/ul\u003e\u003cp\u003eAlways verify your frame designation and fork inner diameter before installation. Installation must be carried out by an authorised K-Tech Service Centre using the appropriate specialist tooling and technical expertise.\u003c\/p\u003e\u003ch2\u003eSpecifications\u003c\/h2\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eAttribute\u003c\/th\u003e\n\u003cth\u003eDetail\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eK-Tech\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePart Number\u003c\/td\u003e\n\u003ctd\u003eFSK-019\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSeal Manufacturer\u003c\/td\u003e\n\u003ctd\u003eNOK\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInner Diameter\u003c\/td\u003e\n\u003ctd\u003e43.00 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOuter Diameter\u003c\/td\u003e\n\u003ctd\u003e55.00 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eKit Contents\u003c\/td\u003e\n\u003ctd\u003e2x oil seals, 2x dust caps\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFitment\u003c\/td\u003e\n\u003ctd\u003eYamaha YZF-R6 RJ27 (2017–2026)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e","brand":"K-Tech","offers":[{"title":"Default Title","offer_id":53168849092874,"sku":"FSK-019","price":35.56,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0949\/7831\/0410\/files\/R6KIT_39bec889-bdf3-4732-a0ef-7aa2553ae0ab.png?v=1780817499","url":"https:\/\/inter-pace.com\/products\/k-tech-fork-oil-seal-dust-cap-kit-yamaha-yzf-r6-rj27","provider":"Inter-Pace","version":"1.0","type":"link"}