⟲ 360° — drag meThe facts.
| Brand | Bonamici Racing |
|---|---|
| Part number | VS40 |
| Type | Front fluid reservoir (brake or clutch) |
| Material | CNC-machined billet aluminium |
| Finish | Anodised |
| Fitment | Yamaha YZF-R9 (2025–2026) |
| Installation | Direct OEM replacement; plug-and-play on original mounting points |
| Origin | Made in Italy |
DescriptionThe whole story▼
A direct-fit, CNC-machined aluminium upgrade that replaces the standard brake or clutch fluid reservoir on the Yamaha YZF-R9 — cleaner to look at, easier to check, and built to last whether you ride street or track. The Bonamici Racing VS40 is the kind of daily-use refinement that makes every ride feel a little more considered.
Key Features
- Machined from a single billet of high-grade aluminium for exceptional rigidity and vibration resistance without unnecessary weight
- Anodised finish delivers lasting corrosion protection and a hard-wearing surface that keeps its appearance through regular use
- Clear, reliable fluid-level visibility makes routine maintenance checks quick and straightforward — no removal required
- Plug-and-play fitment onto original mounting points; no modification or additional hardware needed
- Available in eight anodised colours, allowing a precise match to your existing Bonamici or aftermarket cockpit components
- Made in Italy by Bonamici Racing, a name trusted by track-day riders and road riders alike for precision CNC components
Everyday Usability and Build Quality
Where the stock reservoir is functional but unremarkable, the VS40 earns its place through genuine improvements you notice every time you prepare the bike. The fluid-level window is positioned and sized for an at-a-glance check without crouching or contorting — a small detail that matters when you are prepping for an early trackday or a long road run. The billet aluminium construction shrugs off the minor impacts and persistent vibration that characterise spirited riding, and the anodised surface resists brake fluid splashes and cleaning chemicals far better than painted or plastic alternatives.
Fitting the VS40 is equally straightforward. It replaces the original front reservoir on a direct, plug-and-play basis using the bike's existing mounting points. No drilling, no re-routing, no special tools — install it, fill it to the correct level, confirm there are no leaks, and ride.
Aesthetics and Personalisation
The VS40 is offered in eight anodised colour options — black, red, blue, gold, orange, silver, bronze and green — so you can either keep the cockpit understated or tie it into a broader colour theme across levers, rearsets and sprocket cover. The CNC geometry reads as distinctly Italian: purposeful lines and clean chamfers that elevate the overall visual quality of the R9's cockpit without shouting for attention.
Fitment and Compatibility
The Bonamici Racing VS40 is designed and tested specifically for the following model:
- Yamaha YZF-R9 (2025–2026)
The reservoir serves as a replacement for the front brake fluid reservoir or the front clutch fluid reservoir depending on installation position. Always verify fluid type and level after fitting and before riding.
Specifications
| Specification | Detail |
|---|---|
| Brand | Bonamici Racing |
| Part number | VS40 |
| Type | Front fluid reservoir (brake or clutch) |
| Material | CNC-machined billet aluminium |
| Finish | Anodised (multiple colours available) |
| Fitment | Yamaha YZF-R9 (2025–2026) |
| Installation | Direct replacement for OEM reservoir; plug-and-play on original mounting points |
| Origin | Made in Italy |
FitmentWhich bikes this fits▼
- Yamaha YZF-R9 (2025–2026)
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Take out the washable lining and hand-wash it in lukewarm water. Clean the shell and visor with a soft cloth and water only — never solvents.
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