Boyesen Carbon Fibre RAD Valve 10080116 for Yamaha YZ250 2005–2024 YZ250X 2016–2024

Name: Boyesen Carbon Fibre RAD Valve 10080116 for Yamaha YZ250 2005–2024 YZ250X 2016–2024
Brand: BOYESEN
SKU: 10080116
Price: 192.24 GBP
Availability: InStock

Fits 2 bikes

RRP £231.61 Save 17%

£192.24

incl. VAT

In stock — delivered in 6–10 working days

Dispatched in 2–3 working days · delivered in 6–10.

Part #: 10080116

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§ 02 / About this part

What it is

Boyesen carbon fibre RAD valve to fit Yamaha YZ250 (2005–2024); Yamaha YZ250X (2016–2024).

This intake system replaces the entire OEM reed block to optimise flow velocity and throttle response. It sits between your carburettor or throttle body and the cylinder intake port. The aerodynamic internal surfacing reduces turbulence compared to stock plastic cages. It uses a multi-stage petal design to sharpen bottom-end snap while maintaining top-end over-rev. Replace your factory unit if you notice air leaks or if the original cage is chipped. Fitment is model-specific and usually requires a fresh gasket for a proper seal. It is a direct bolt-on upgrade for race or hard enduro use.

§ 03 / Specs

The numbers

Brand: BOYESEN
Part number: 10080116
Category: Top End
Weight: 0.49 kg
VAT: 20%

// Fitment

Will it fit your bike?

Fits 2 models · 2 year-bands

* Fitment data is provided as a guide. Verify compatibility against the bike's owner's manual or service handbook before ordering. Iron Offroad accepts no liability for incorrect application. Full terms and conditions apply.

§ 05 / About Iron Offroad

Iron Offroad

Iron Offroad is the off-road sibling of Iron City and Iron Stable — a UK shop for motocross, enduro, and trail-bike hard parts. Every fitment lives on the site, listed against KTM, Husqvarna, GasGas, Yamaha, Honda, Kawasaki, Suzuki, and Beta. Pick your bike on the timing-tower. Our USP is the data: fully enriched fitment so you find the right part for your bike quickly and get it fitted accurately. Brands you'd find on a paddock workbench — pads, sprockets, plastics, fork seals, cables, gaskets, bars, the things that actually wear out. Road-bike kit, scooter parts, and quad gear sit elsewhere; dirt and e-moto only. We operate from our storage facility in Leeds. Iron Offroad is a trading name of Iron Stable Ltd, registered in Mildenhall — Company No. 17061294. The business has a rich motorcycle history across multiple moto brands — the photos show where we came from — and recently pivoted into hard parts and online retail.