PISTON KIT 98-01 YZ125 54.00 B, PROX 01.2217.B
4.1 Trustpilot 99.9% positive on eBay
Delivery to United States 5–8 business days
Spread the cost with 
ProX Piston Kit 54.00mm Bore for 2-stroke engines. Includes piston rings, wrist pin, and circlips. Precision machined using the latest CNC equipment with a low-expansion, low-friction piston alloy. Features an OEM style tin coating for break-in assistance. Replacement parts include Piston Rings 02.2214, Piston Pin 04.1545.8, and Piston Clips 05.1510. Manufacturer part number 01.2217.B.
- SKU
- 56-W726.B.PX
- Brand
- Pro-X Racing
- Availability
- In Stock (1)
Fitments (12)
| Make | Model | Year |
|---|---|---|
| GAS-GAS | MC 125 | 2000 |
| GAS-GAS | MC 125 | 2001 |
| GAS-GAS | MX 125 | 2000 |
| GAS-GAS | MX 125 | 2001 |
| GASGAS | EC 125 | 2000 |
| GASGAS | EC 125 | 2001 |
| YAMAHA | YZ 125 | 1996 |
| 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
- 257553
FULL DESCRIPTION
ProX Piston Kit 54.00mm Bore for 2-Stroke Engines
This ProX Piston Kit is designed for precision performance and reliability in your 2-stroke engine. Each kit is ready for immediate installation, ensuring you get back on the road or track quickly.
Key Features:
- Complete Kit: Supplied with all necessary components including piston rings, wrist pin, and circlips.
- Precision Machined: Pistons are manufactured using state-of-the-art CNC equipment for exact specifications.
- Premium Alloy: Utilizes a low-expansion, low-friction piston alloy, the same type favored by major Japanese engine manufacturers.
- Enhanced Break-In: Features an OEM style tin coating to aid the crucial break-in process for optimal engine performance from the start.
- High-Quality Replacement Parts: Includes replacement piston rings (02.2214), piston pin (04.1545.8), and piston clips (05.1510).
- Bore Size: This kit is for a 54.00mm bore size.
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.