Carbonin SBK Avio Fiber tank cover for Yamaha YZF-R6 RJ27 2017-2026 – part Y18405AF
02 · Data & docs

The facts.

Technical data
Part NumberY18405AF
BrandCarbonin
MaterialAvio Fiber composite
VersionSBK (Superbike)
FitmentYamaha YZF-R6 RJ27 (2017-2026)
FinishGel-coat, ready to paint
Intended UseRace / track
DescriptionThe whole story

Engineered from the ground up for Superbike competition, the Carbonin SBK Avio Fiber tank cover for the Yamaha YZF-R6 RJ27 (2017-2026) is a masterclass in lightweight fairing construction. Avio Fiber is Carbonin's proprietary composite — exceptionally stiff, notably lighter than standard fibreglass, and built to endure the punishment of track use lap after lap.

Key Features

  • Crafted from Avio Fiber composite: a high-strength, low-weight material developed specifically for racing environments where durability and minimal mass are non-negotiable.
  • SBK-specification tank extension geometry channels airflow precisely around the upper fairing, reducing drag and improving aerodynamic stability at high speed.
  • Precision-moulded to the exact profile of the Yamaha YZF-R6 RJ27 (2017-2026), delivering a seamless fit that requires no modification for installation.
  • Aggressive SBK race silhouette complements the R6's factory bodywork and integrates cleanly with full Carbonin fairing kits.
  • Race-proven quality control — every panel leaves the Carbonin facility to the same standard trusted by professional Superbike teams.

Construction and Material Quality

Avio Fiber sits in Carbonin's composite hierarchy between their fibreglass and full carbon offerings, combining the manufacturing consistency of a woven composite with a weight and rigidity profile that comfortably outperforms conventional fibreglass laminates. The result is a tank cover that absorbs vibration, resists flexing under sustained aerodynamic load, and holds its shape through thermal cycling — crucial qualities on a machine as highly strung as the YZF-R6.

Carbonin's Italian manufacturing heritage is evident in the panel's gel-coat finish and mould tolerances. The part leaves the factory ready to paint or to run in raw gel-coat depending on your build requirements, and its structural integrity remains consistent across both applications.

Aerodynamic Performance

The SBK designation is not cosmetic. The extended tank cover profile was developed alongside Superbike bodywork regulations to optimise air management over the fuel tank area, smoothing the transition between the upper fairing and the rider's seating position. At circuit speeds this translates into measurably reduced buffeting and a more planted feel through fast, committed corners — exactly where the YZF-R6's chassis rewards the rider for trusting the setup.

Fitment and Compatibility

This tank cover is designed exclusively for the Yamaha YZF-R6 in the RJ27 generation. It fits all model years within that chassis code, covering the 2017 through 2026 production run. No fitment applies to earlier RJ15 or RJ19 generations.

  • Yamaha YZF-R6 RJ27 — 2017, 2018, 2019, 2020, 2021, 2022, 2023, 2024, 2025, 2026

Specifications

  • Part number: Y18405AF
  • Brand: Carbonin
  • Material: Avio Fiber composite
  • Version: SBK (Superbike)
  • Fitment: Yamaha YZF-R6 RJ27 (2017-2026)
  • Finish: Gel-coat, ready to paint
  • Intended use: Race / track
FitmentWhich bikes this fits
  • Yamaha YZF-R6 RJ27 (2017–2026)
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08 · Paddock

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