PISTON KIT 07-25 KTM SX125 54, PROX 01.6226.D 503.30.207.100, Made in Japan
4.1 Trustpilot 99.9% positive on eBay
Delivery to United States 5–8 business days
Spread the cost with
ProX Piston Kit 2-Stroke, 54.00mm Bore, Made in Japan. This kit includes piston rings, wrist pin, and circlips. ProX pistons are precision machined using state-of-the-art CNC equipment and the same low-expansion, low-friction piston alloy used by major Japanese engine manufacturers. Features an OEM-style tin coating to assist the break-in process. PROX 01.6226.D.
- SKU
- 56-W035.D.PX
- Brand
- Pro-X Racing
- Availability
- In Stock (1)
Fitments (84)
| Make | Model | Year |
|---|---|---|
| BETA | RR ENDURO 2T 125 | 2018 |
| BETA | RR ENDURO 2T 125 | 2019 |
| BETA | RR ENDURO 2T 125 | 2020 |
| BETA | RR ENDURO 2T 125 | 2021 |
| BETA | RR ENDURO 2T 125 | 2022 |
| BETA | RR ENDURO 2T 125 | 2023 |
| BETA | RR ENDURO 2T 125 | 2024 |
| BETA | RR ENDURO 2T 125 | 2025 |
| GASGAS | MC 125 | 2021 |
| GASGAS | MC 125 | 2022 |
| GASGAS | MC 125 | 2023 |
| GASGAS | MC 125 | 2024 |
| GASGAS | MC 125 | 2025 |
| HUSABERG | TE 125 | 2012 |
| HUSABERG | TE 125 | 2013 |
| HUSABERG | TE 125 | 2014 |
| HUSABERG | TE 125 | 2015 |
| HUSQVARNA | TC 125 | 2014 |
| HUSQVARNA | TC 125 | 2015 |
| HUSQVARNA | TC 125 | 2016 |
| HUSQVARNA | TC 125 | 2017 |
| HUSQVARNA | TC 125 | 2018 |
| HUSQVARNA | TC 125 | 2019 |
| HUSQVARNA | TC 125 | 2020 |
| HUSQVARNA | TC 125 | 2021 |
| HUSQVARNA | TC 125 | 2022 |
| HUSQVARNA | TC 125 | 2023 |
| HUSQVARNA | TC 125 | 2024 |
| HUSQVARNA | TC 125 | 2025 |
| HUSQVARNA | TE 125 | 2014 |
| HUSQVARNA | TE 125 | 2015 |
| HUSQVARNA | TE 125 | 2016 |
| HUSQVARNA | TE 125 | 2017 |
| HUSQVARNA | TE 125 | 2018 |
| HUSQVARNA | TE 125 | 2019 |
| HUSQVARNA | TE 125 | 2020 |
| HUSQVARNA | TX 125 | 2017 |
| HUSQVARNA | TX 125 | 2018 |
| HUSQVARNA | TX 125 | 2019 |
| HUSQVARNA | TX 125 | 2020 |
| KTM | 125 EXC | 2001 |
| KTM | 125 EXC | 2002 |
| KTM | 125 EXC | 2003 |
| KTM | 125 EXC | 2004 |
| KTM | 125 EXC | 2005 |
| KTM | 125 EXC | 2006 |
| KTM | 125 EXC | 2007 |
| KTM | 125 EXC | 2008 |
| KTM | 125 EXC | 2009 |
| KTM | 125 EXC | 2010 |
| KTM | 125 EXC | 2011 |
| KTM | 125 EXC | 2012 |
| KTM | 125 EXC | 2013 |
| KTM | 125 EXC | 2014 |
| KTM | 125 EXC | 2015 |
| KTM | 125 EXC | 2016 |
| KTM | 125 SX | 2001 |
| KTM | 125 SX | 2002 |
| KTM | 125 SX | 2003 |
| KTM | 125 SX | 2004 |
| KTM | 125 SX | 2005 |
| KTM | 125 SX | 2006 |
| KTM | 125 SX | 2007 |
| KTM | 125 SX | 2008 |
| KTM | 125 SX | 2009 |
| KTM | 125 SX | 2010 |
| KTM | 125 SX | 2011 |
| KTM | 125 SX | 2012 |
| KTM | 125 SX | 2013 |
| KTM | 125 SX | 2014 |
| KTM | 125 SX | 2015 |
| KTM | 125 SX | 2016 |
| KTM | 125 SX | 2017 |
| KTM | 125 SX | 2018 |
| KTM | 125 SX | 2019 |
| KTM | 125 SX | 2020 |
| KTM | 125 SX | 2021 |
| KTM | 125 SX | 2022 |
| KTM | 125 SX | 2023 |
| KTM | 125 SX | 2024 |
| KTM | 125 SX | 2025 |
| KTM | 125 XC-W | 2017 |
| KTM | 125 XC-W | 2018 |
| KTM | 125 XC-W | 2019 |
- General Product Group
- Engine
- General Product Type
- Pistons & Kits
- Variant Id
- 254340
FULL DESCRIPTION
ProX Piston Kit 54.00mm Bore - Made in Japan
This ProX Piston Kit is precision-engineered for optimal performance and durability. Manufactured in Japan with advanced CNC equipment, this kit utilizes a low-expansion, low-friction piston alloy, identical to that used by major Japanese engine manufacturers.
Each kit comes complete and ready for installation, including essential components such as piston rings, a wrist pin, and circlips. The piston features an OEM-style tin coating designed to facilitate the crucial break-in process when your machine is first started.
- Bore Size: 54.00mm
- Manufacturing Origin: Made in Japan
- Included Components: Piston rings, wrist pin, circlips
- Material Alloy: Low-expansion, low-friction
- Break-in Assistance: OEM-style tin coating
This high-quality piston kit is built to the exacting standards expected from ProX Racing, ensuring a reliable and efficient upgrade for your engine.
QUESTIONS? JUST ASK
Talk to John or Phil. Real people, Monday to Friday, 10:00 to 17:00 (UK time).
Check the fitment table on this page against your make, model and year. Not sure? Call or email us and we will check it for you before you order.
Yes. We ship from the UK. Orders ship within 3 working days, then delivery to the United States takes 5–8 business days. The delivery price is shown at checkout before you pay. Delivery details
Yes. You have 14 days from delivery to return it, unused and in its original packaging. Contact us first and we will send you the return instructions. Returns policy
By card, PayPal, Apple Pay or Google Pay, or spread the cost with Klarna. Payment is taken securely by Stripe, and the options for your order are shown at checkout.
Any customs duties or import taxes charged in the United States are paid by you when the parcel arrives. Any tax we collect ourselves is shown at checkout before you pay.
More answers in our FAQ.
Trade pricing available
Buying parts for your business? Apply for a 2BrosParts trade account.


