Bonamici Racing FC170 quick-release fuel cap for Kawasaki Ninja 400 anodised finish 360° — drag me
70% li g
02 · Data & docs

The facts.

Technical data
BrandBonamici Racing
Part NumberFC170
TypeQuick-release fuel cap
FitmentKawasaki Ninja 400 (2018-2023)
MechanismQuarter-turn (90°) quick-release
Weight Saving70% lighter than OEM fuel cap
FinishAnodised aluminium
Available ColoursBlack, silver, gold, orange, red, blue, green, bronze
What's IncludedQuick-release fuel cap, fixing bolt kit, rubber seal
DescriptionThe whole story

Bonamici Racing has built its reputation on components that blend Italian race-bred engineering with eye-catching finish, and the FC170 quick-release fuel cap for the Kawasaki Ninja 400 (2018-2023) is a perfect expression of that ethos. Machined to a standard that reflects decades of paddock heritage, it replaces the factory cap with a precision quarter-turn mechanism and trims 70% of the original weight in the process — a small change with a character all of its own.

Key Features

  • Quarter-turn quick-release mechanism allows the cap to be opened and secured in a single, confident motion — no threading, no fuss at the fuel stop.
  • 70% weight reduction over the stock Kawasaki Ninja 400 fuel cap, contributing to a lower overall mass and a sharper, more purposeful feel.
  • Direct OEM replacement fit — no modification required; the cap exchanges for the original without adaptation.
  • Available in eight anodised colour finishes — black, silver, gold, orange, red, blue, green and bronze — so the aesthetic can be matched precisely to the bike's livery or the rider's own style.
  • Supplied complete with a fixing bolt kit and rubber seal for a secure, leak-free installation straight from the box.
  • Part number FC170 for unambiguous ordering and fitment verification.

Design, Finish and Heritage

The FC170 is unmistakably a Bonamici piece. The brand's roots in Italian motorsport run deep, and every fuel cap the company produces carries that lineage in its machined surfaces, its close tolerances and its attention to colour consistency across anodised finishes. Where the standard Kawasaki Ninja 400 cap is functional but entirely forgettable, the FC170 becomes a visual accent — a detail that rewards close inspection and signals that the machine has been assembled with intention.

The eight available anodised colours are not afterthoughts applied to a generic housing. Each finish is consistent in depth and tone, holding its appearance through heat cycles and fuel contact in a way that painted or lacquered alternatives cannot match. Whether the choice is the understated elegance of silver, the track-day aggression of orange, or the subtlety of bronze, the result integrates with the Ninja 400's lines rather than competing with them.

On Road and at the Track

The quarter-turn action is particularly valuable in a race or trackday context, where refuelling speed and simplicity matter. On the road, the same mechanism makes routine top-ups quicker and reduces the wear on threads that repeated opening and closing inevitably causes with conventional caps. The rubber seal and bolt kit ensure that the installation is as solid as the original, with no compromise on fuel integrity.

Fitment and Compatibility

The Bonamici Racing FC170 quick-release fuel cap is a direct fit for the following model:

  • Kawasaki Ninja 400 (2018, 2019, 2020, 2021, 2022, 2023)

Specifications

Brand Bonamici Racing
Part Number FC170
Type Quick-release fuel cap
Fitment Kawasaki Ninja 400 (2018-2023)
Mechanism Quarter-turn (90°) quick-release
Weight Saving 70% lighter than the OEM fuel cap
Finish Anodised aluminium
Available Colours Black, silver, gold, orange, red, blue, green, bronze
What's Included Quick-release fuel cap, fixing bolt kit, rubber seal
What's includedEverything in the box
  • 1x Bonamici Racing FC170 quick-release fuel cap
  • 1x fixing bolt kit
  • 1x rubber seal
FitmentWhich bikes this fits
  • Kawasaki Ninja 400 (2018–2023)
07 · Support

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08 · Paddock

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