K-Tech Race steering damper kit for Yamaha YZF-R1 M RN32 RN49 RN65 2015–2026
02 · Data & docs

The facts.

Technical data
BrandK-Tech
Part number055-55.YA10.23
Internal diameter18.00 mm
Piston rod outer diameter8.00 mm
Overall length370.00 mm
Stroke120.00 mm
Damping adjustment22-position
Mountingfits OEM bracket, eye-to-eye
FitmentYamaha YZF-R1 M RN32, RN49, RN65 (2015–2026)
DescriptionThe whole story

The K-Tech Race steering damper kit brings genuine peace of mind to every ride on the Yamaha YZF-R1 M, whether you are commuting across town or pushing hard on a favourite back road. Designed to work with the standard mounting points on the RN32, RN49 and RN65 chassis, it drops straight into place without fabrication — giving you a meaningful suspension upgrade with minimal time in the workshop.

Key Features

  • 22-position adjustable damping lets you dial in exactly the level of steering control that suits your riding style and road conditions.
  • CSC (Constant Safety Control) system catches sudden, high-frequency steering inputs — the kind that lead to wobble or tank slappers — before they escalate.
  • Low-friction Ø8 mm piston rod with a specialist surface treatment keeps the steering feeling light and natural, not artificially heavy.
  • Nitrogen-pressurised reservoir eliminates cavitation and foam, so damping performance stays consistent lap after lap or mile after mile.
  • Triple seal arrangement combines dust and oil sealing for an extended service life even in wet or dirty conditions.
  • Fully serviceable design with readily available spare parts means long-term running costs are low and rebuild is straightforward.

Build Quality & Technology

K-Tech builds this damper around a single-rod layout, which keeps the rod in perfect alignment throughout its stroke and avoids the side-loading that can cause premature wear in twin-rod designs. Premium-grade bearings at both mounting eyes ensure smooth, rattle-free articulation regardless of chassis flex. The nitrogen reservoir — essential on any damper expected to perform consistently — prevents the oil aeration that causes fade when a standard hydraulic unit gets warm. Every component can be replaced individually at a K-Tech service centre, so the damper is a long-term investment rather than a consumable.

Road & Track Use

Wobble and tank slappers are not just a track phenomenon; they happen on road bikes too, particularly on imperfect surfaces at speed or when rolling off the throttle mid-corner. The K-Tech Race damper's 22-step adjustment range covers everything from light street use — where you want minimal interference with normal steering — right up to aggressive circuit work, where a firmer setting provides a reassuring check on high-speed directional changes. The bolt-on fitment to the YZF-R1 M's OEM bracket means no permanent modifications are needed, preserving the bike's residual value.

Installation Note

Fitting should be carried out exclusively by an authorised K-Tech service centre. Specialist tools and technical knowledge are required to ensure the damper performs correctly and safely once installed.

Fitment & Compatibility

This kit is a direct, OEM-bracket fitment for the following models:

  • Yamaha YZF-R1 M — chassis code RN32 (2015–2016)
  • Yamaha YZF-R1 M — chassis code RN49 (2017–2020)
  • Yamaha YZF-R1 M — chassis code RN65 (2021–2026)

Specifications

Parameter Value
Internal diameter 18.00 mm
Piston rod outer diameter 8.00 mm
Overall length 370.00 mm
Stroke 120.00 mm
Upper mounting type eye
Upper mounting bolt diameter 8.00 mm
Lower mounting type eye
Lower mounting bolt diameter 8.00 mm
Mounting fits OEM bracket
What's includedEverything in the box
  • 1x K-Tech Race steering damper for Yamaha YZF-R1 M RN32, RN49 and RN65 (2015–2026)
  • Mounting hardware for secure installation
FitmentWhich bikes this fits
  • Yamaha YZF-R1 M RN32, RN49 & RN65 (2015–2026)
07 · Support

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