PISTON KIT 05-07 CR125 54.00 C, PROX 01.1225.C HONDA MX
4.1 Trustpilot 99.9% positive on eBay
Free UK delivery 2–4 business days
Spread the cost with 18+, T&Cs apply
ProX Piston Kit 54.00 mm Bore. ProX pistons are precision machined on state-of-the-art CNC equipment using a low-expansion, low-friction piston alloy identical to that used by major Japanese engine manufacturers. This ProX Piston Kit is a high-quality solution to replace the original piston. Many ProX pistons feature an OEM-style tin coating to assist the wear-in process, and a new skirt coating that reduces friction. The black coating is made from a precise mix of materials to increase performance. Replacement parts include PROX RING SET 02.1225, PROX PISTON PIN 04.1547, and PROX CLIPS 05.1510.
- SKU
- 56-W859.C.PX
- Brand
- Pro-X Racing
- Availability
- In Stock (3)
Fitments (119)
| Make | Model | Year |
|---|---|---|
| GAS-GAS | EC 125 | 2009 |
| GAS-GAS | EC 125 | 2010 |
| GAS-GAS | EC 125 | 2011 |
| GAS-GAS | ME 125 | 2000 |
| GAS-GAS | ME 125 | 2001 |
| GAS-GAS | ME 125 | 2002 |
| GAS-GAS | ME 125 | 2003 |
| GAS-GAS | ME 125 | 2004 |
| GAS-GAS | ME 125 | 2005 |
| GAS-GAS | ME 125 | 2006 |
| GAS-GAS | ME 125 | 2007 |
| GAS-GAS | ME 125 | 2008 |
| GAS-GAS | ME 125 | 2009 |
| GAS-GAS | ME 125 | 2010 |
| GAS-GAS | ME 125 | 2011 |
| GASGAS | EC 125 | 2000 |
| GASGAS | EC 125 | 2001 |
| GASGAS | EC 125 | 2002 |
| GASGAS | EC 125 | 2003 |
| GASGAS | EC 125 | 2004 |
| GASGAS | EC 125 | 2005 |
| GASGAS | EC 125 | 2006 |
| GASGAS | EC 125 | 2007 |
| GASGAS | EC 125 | 2008 |
| HONDA | CR 125 | 2004 |
| HONDA | CR 125 | 2005 |
| HONDA | CR 125 | 2006 |
| HONDA | CR 125 | 2007 |
| HONDA | CR 125R | 2005 |
| HONDA | CR 125R | 2006 |
| HONDA | CR 125R | 2007 |
| HUSQVARNA | CR 125 | 1997 |
| HUSQVARNA | CR 125 | 1998 |
| HUSQVARNA | CR 125 | 1999 |
| HUSQVARNA | CR 125 | 2000 |
| HUSQVARNA | CR 125 | 2001 |
| HUSQVARNA | CR 125 | 2002 |
| HUSQVARNA | CR 125 | 2003 |
| HUSQVARNA | CR 125 | 2004 |
| HUSQVARNA | CR 125 | 2005 |
| HUSQVARNA | CR 125 | 2006 |
| HUSQVARNA | CR 125 | 2007 |
| HUSQVARNA | CR 125 | 2008 |
| HUSQVARNA | CR 125 | 2009 |
| HUSQVARNA | CR 125 | 2010 |
| HUSQVARNA | CR 125 | 2011 |
| HUSQVARNA | CR 125 | 2012 |
| HUSQVARNA | CR 125 | 2013 |
| HUSQVARNA | CR 125 | 2014 |
| HUSQVARNA | SM 125 | 1998 |
| HUSQVARNA | SM 125 | 1999 |
| HUSQVARNA | SM 125 | 2000 |
| HUSQVARNA | SM 125 | 2001 |
| HUSQVARNA | SM 125 | 2002 |
| HUSQVARNA | SM 125 | 2003 |
| HUSQVARNA | SM 125 | 2004 |
| HUSQVARNA | SM 125 | 2005 |
| HUSQVARNA | SM 125 | 2006 |
| HUSQVARNA | SM 125 | 2007 |
| HUSQVARNA | SM 125 | 2008 |
| HUSQVARNA | SM 125 | 2009 |
| HUSQVARNA | SM 125 | 2010 |
| HUSQVARNA | SM 125 | 2011 |
| HUSQVARNA | SM 125 | 2012 |
| HUSQVARNA | SM 125 | 2013 |
| HUSQVARNA | SM 125 | 2014 |
| HUSQVARNA | SM S 125 | 1998 |
| HUSQVARNA | SM S 125 | 1999 |
| HUSQVARNA | SM S 125 | 2000 |
| HUSQVARNA | SM S 125 | 2001 |
| HUSQVARNA | SM S 125 | 2002 |
| HUSQVARNA | SM S 125 | 2003 |
| HUSQVARNA | SM S 125 | 2004 |
| HUSQVARNA | SM S 125 | 2005 |
| HUSQVARNA | SM S 125 | 2006 |
| HUSQVARNA | SM S 125 | 2007 |
| HUSQVARNA | SM S 125 | 2008 |
| HUSQVARNA | SM S 125 | 2009 |
| HUSQVARNA | SM S 125 | 2010 |
| HUSQVARNA | SM S 125 | 2011 |
| HUSQVARNA | SM S 125 | 2012 |
| HUSQVARNA | SM S 125 | 2013 |
| HUSQVARNA | SM S 125 | 2014 |
| HUSQVARNA | WR 125 | 1997 |
| HUSQVARNA | WR 125 | 1998 |
| HUSQVARNA | WR 125 | 1999 |
| HUSQVARNA | WR 125 | 2000 |
| HUSQVARNA | WR 125 | 2001 |
| HUSQVARNA | WR 125 | 2002 |
| HUSQVARNA | WR 125 | 2003 |
| HUSQVARNA | WR 125 | 2004 |
| HUSQVARNA | WR 125 | 2005 |
| HUSQVARNA | WR 125 | 2006 |
| HUSQVARNA | WR 125 | 2007 |
| HUSQVARNA | WR 125 | 2008 |
| HUSQVARNA | WR 125 | 2009 |
| HUSQVARNA | WR 125 | 2010 |
| HUSQVARNA | WR 125 | 2011 |
| HUSQVARNA | WR 125 | 2012 |
| HUSQVARNA | WR 125 | 2013 |
| HUSQVARNA | WR 125 | 2014 |
| HUSQVARNA | WRE 125 | 1998 |
| HUSQVARNA | WRE 125 | 1999 |
| HUSQVARNA | WRE 125 | 2000 |
| HUSQVARNA | WRE 125 | 2001 |
| HUSQVARNA | WRE 125 | 2002 |
| HUSQVARNA | WRE 125 | 2003 |
| HUSQVARNA | WRE 125 | 2004 |
| HUSQVARNA | WRE 125 | 2005 |
| HUSQVARNA | WRE 125 | 2006 |
| HUSQVARNA | WRE 125 | 2007 |
| HUSQVARNA | WRE 125 | 2008 |
| HUSQVARNA | WRE 125 | 2009 |
| HUSQVARNA | WRE 125 | 2010 |
| YAMAHA | YZ 125 | 1997 |
| YAMAHA | YZ 125 | 1998 |
| YAMAHA | YZ 125 | 1999 |
| YAMAHA | YZ 125 | 2000 |
| YAMAHA | YZ 125 | 2001 |
- General Product Group
- Engine
- General Product Type
- Pistons & Kits
- General Size
- 54.00mm
- Variant Id
- 258083
FULL DESCRIPTION
ProX Piston Kit 54.00mm Bore for Honda CR125R
Upgrade your Honda CR125R with this high-quality ProX Piston Kit. Precision-machined using the latest CNC equipment, ProX pistons are crafted from the same low-expansion, low-friction alloy used by major Japanese engine manufacturers. This kit offers a premium solution to replace your original piston, ensuring optimal performance and durability for your motorcycle.
Key Features:
- 54.00mm Bore Size
- Precision CNC Machined
- Low-Expansion, Low-Friction Piston Alloy
- Coated for Ultimate Performance: Features an OEM-style tin coating to assist with the break-in process and a new skirt coating that reduces friction after break-in.
- Increases Performance: The black skirt coating is formulated from a delicate mix of materials designed to enhance performance.
Replacement Parts Available:
- ProX Ring Set: 02.1225
- ProX Piston Pin: 04.1547
- ProX Clips: 05.1510
QUESTIONS? JUST ASK
Talk to John or Phil. Real people, Monday to Friday, 10:00 to 17:00.
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.
UK delivery is £4.99, or free on orders over £60. Orders ship within 3 working days, then delivery takes 2–4 business days. 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.
More answers in our FAQ.
Trade pricing available
Buying parts for your business? Apply for a 2BrosParts trade account.


