09100596 PISTON KIT ALUMINUM 53.97MM C

Name: PROX PISTON KIT ALUMINUM 53.97MM C
Brand: PROX
SKU: 09100596
Price: 98.51 GBP
Availability: InStock

Fits 2 bikes

RRP £123.14 Save 20%

£98.51

incl. VAT

In stock — ships in 3 working days

Usually dispatched within 3 working days.

Part #: 09100596

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§ 02 / About this part

What it is

The PROX PISTON KIT ALUMINUM 53.97MM C, motocross part. Stocked by Iron Offroad, the UK MX hard parts specialist.

C-size at 53.97mm, cross-referencing Yamaha OEM 1C3-11631-01-A0 for the YZ 125 and YZ 125 X. The letter sizes exist because bores wear; mic your cylinder and match the stamp rather than guessing standard. Piston, rings, gudgeon pin and circlips in the box. On a 125 two-stroke the piston is a service item, not a lifetime part. Race engines want a fresh one before skirt wear takes the plating with it. Arrow on the crown faces the exhaust. Oil the small-end bearing before you drop it in.

§ 03 / Specs

The numbers

Brand: PROX
Part number: 09100596
Weight: 0.17 kg
OEM cross-refs: 1C3-11631-01-A0
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.