ProX Piston Kit 09105308 for Honda CRF250R 2018–2019 CRF250RX 2019

Name: ProX Piston Kit 09105308 for Honda CRF250R 2018–2019 CRF250RX 2019
Brand: PROX
SKU: 09105308
Price: 144.38 GBP
Availability: InStock

Fits 2 bikes

RRP £180.47 Save 20%

£144.38

incl. VAT

In stock — delivered in 6–10 working days

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

Part #: 09105308

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§ 02 / About this part

What it is

ProX piston kit to fit the Honda CRF250R, model years 2018–2019, and Honda CRF250RX, model year 2019.

Your top-end rebuild relies on precise tolerances within the cylinder bore. This assembly replaces the reciprocating components to restore compression and throttle response. Most riders swap these at set hour intervals to prevent skirt failure or ring groove wear. Check your cylinder for wear and select the correct size grade for your bore. The kit includes the piston, rings, gudgeon pin, and circlips. Ensure the arrow on the crown points toward the exhaust port during installation. Always verify your ring end gap before final assembly to ensure reliable performance on the track or trail.

§ 03 / Specs

The numbers

Brand: PROX
Part number: 09105308
Category: Top End
Weight: 0.24 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.