WOSSNER PISTON KIT FORGED STEEL PERFORMANCE REPLACEMENT / YAMAHA / SIZE +0,01

§ 01 / Part

09105298 PISTON KIT FORGED STEEL PERFORMANCE REPLACEMENT / YAMAHA / SIZE +0,01

Fits Yamaha YZ 250 F
RRP £177.38 Save 22%
£138.36

incl. VAT

In stock — ships in 3 working days

Usually dispatched within 3 working days.

Part #: 09105298

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WOSSNER

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§ 02 / About this part

What it is

The WOSSNER PISTON KIT FORGED STEEL PERFORMANCE REPLACEMENT / YAMAHA / SIZE +0,01, top end. Stocked by Iron Offroad, the UK MX hard parts specialist.

This oversized version is designed for cylinders that have seen significant use and require a slightly larger diameter to maintain correct clearances. It restores the seal within the bore to bring back lost compression. The assembly includes the piston, rings, gudgeon pin, and circlips. Accurate bore measurement is vital before fitting this specific size. Ensure the arrow on the piston crown faces the exhaust port. Check ring end gap carefully to accommodate the increased diameter. Regular top-end service prevents engine damage and keeps your bike running at optimal performance.

§ 03 / Specs

The numbers

Brand
WOSSNER
Part number
09105298
Category
Top End
Weight
0.21 kg
VAT
20%

// Fitment

Will it fit your bike?

Fits 1 model · 1 year-band

* 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.
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Free UK shipping over £100 14-day no-quibble returns OEM-grade parts only UK support · Tue–Fri 9–5, Sat 9–4 Race-shop prices, paddock service Collection from Leeds by arrangement
Free UK shipping over £100 14-day no-quibble returns OEM-grade parts only UK support · Tue–Fri 9–5, Sat 9–4 Race-shop prices, paddock service Collection from Leeds by arrangement