The facts.
| Part Number | DSS-005 |
|---|---|
| Brand | K-Tech |
| Seal Manufacturer | NOK (KYB-NOK) |
| Inner Diameter | 41.00 mm |
| Outer Diameter | 53.50 mm |
| Height (1) | 4.80 mm |
| Height (2) | 14.00 mm |
| What's Included | 2x dust seals |
| Fitment | Yamaha YZF-R7 (2021–2026) |
DescriptionThe whole story▼
Precise fork protection starts with seals that meet the same exacting standard as the original equipment. The K-Tech DSS-005 Dust Seals Kit uses genuine KYB-NOK seal technology — engineered by NOK, one of the world's foremost sealing specialists — to deliver OEM-grade defence against road grime, trail dust and fine debris on the Yamaha YZF-R7 (2021–2026). Reliable fork protection is not just a maintenance matter; keeping contaminants out of the fork legs preserves damping consistency and the predictable handling that safe, confident riding depends on.
Key Features
- KYB-NOK sealing technology: the same supplier and specification used in original factory assembly, ensuring no compromise on quality or durability.
- Exact-fit dimensions (41.00 mm inner diameter / 53.50 mm outer diameter) machined specifically for the YZF-R7 fork legs — no shimming, trimming or adaptation required.
- Effective contamination barrier: the two-stage profile (4.80 mm and 14.00 mm heights) creates a positive wiper and retention geometry that keeps dirt away from the fork oil seals beneath.
- Extended fork service life: by blocking abrasive particles before they can score the stanchions or degrade the oil seals, these dust seals reduce wear and lengthen rebuild intervals.
- Direct OEM replacement: supplied as a matched pair, they restore factory-standard sealing performance on worn or damaged forks without any modification.
Why Seal Quality Matters for Ride Safety
A failed or worn dust seal is often the first point of entry for the grit that ultimately destroys fork oil seals and scores inner tubes. On a lightweight, high-revving machine like the YZF-R7, front-end feedback is critical — any degradation in fork action affects braking confidence and corner-entry feel. The DSS-005 kit, built to NOK's established manufacturing tolerances, reinstates the protective barrier exactly as Yamaha and KYB intended, keeping suspension geometry consistent and ride behaviour predictable across the full 2021–2026 model range.
Installation
The DSS-005 is designed as a straightforward like-for-like replacement for the standard Yamaha YZF-R7 dust seals. K-Tech recommends installation by an authorised K-Tech Service Centre to ensure correct seating and to verify that the underlying fork oil seals and stanchions are in sound condition before reassembly.
Fitment & Compatibility
This kit is designed exclusively for the following model:
- Yamaha YZF-R7 — model years 2021, 2022, 2023, 2024, 2025 and 2026
Specifications
| Specification | Detail |
|---|---|
| Part Number | DSS-005 |
| Brand | K-Tech |
| Seal Manufacturer | NOK (KYB-NOK) |
| Inner Diameter | 41.00 mm |
| Outer Diameter | 53.50 mm |
| Height (1) | 4.80 mm |
| Height (2) | 14.00 mm |
| Contents | 2x dust seals |
| Fitment | Yamaha YZF-R7 (2021–2026) |
What's includedEverything in the box▼
- 2x dust seals
FitmentWhich bikes this fits▼
- Yamaha YZF-R7 (2021–2026)
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