Prox Piston Kit - 125cc 2-stroke Engine
Prox Piston Kit - 125cc 2-stroke Engine
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Estimated delivery: Feb 05 - Feb 09
About this product
About this product
The Prox Piston Kit provides a reliable, high-quality replacement for your 125cc 2-stroke engine. Manufactured in Japan to meet or exceed OEM specifications, this kit ensures optimal performance and longevity. Restore your engine's power and efficiency with this precision-engineered piston kit.
Description
This Prox Piston Kit is designed as a direct OEM replacement, offering a hassle-free installation process. The piston is cast from a high-silicon-content aluminum alloy, providing exceptional strength and heat resistance. It is then CNC-machined to extremely close tolerances, ensuring a precise fit and optimal combustion. This attention to detail results in improved engine performance, reduced wear, and extended engine life. Engineered for 2-stroke engines, this piston kit delivers the performance and reliability you expect from Prox. This standard size B piston is suitable for a 54.00 mm bore size.
Features & highlights
- Direct OEM replacement for easy installation.
- High-silicon-content aluminum alloy construction for superior strength and heat resistance.
- CNC-machined to extremely close tolerances for precise fit and optimal performance.
- Complete kit includes piston, ring kit, wrist pin, and circlips.
- Engineered for optimal performance and extended engine life.
- Manufactured in Japan to meet or exceed OEM standards.
Technical specifications
- Brand: Prox
- Part Number: 01.4223.B
- Bore Size: 54.00 mm
- Piston Size: 53.96 mm
- Displacement: 125 cc
- Engine Type: 2-Stroke
- Piston Material: Aluminum Alloy
- Compression Ratio: Standard
- Skirt Coating: Non-Coated
- Type: Standard Size B
Important to know
No special tools are required for installation, but professional installation is recommended.
Shipping & Return
Shipping & Return
Free shipping to GLS parcel shop parcel box for purchases over DKK 1,000.
GLS home delivery costs DKK 59.
We do our best to ship your order as quickly as possible. All orders are generally packed within 24 hours on weekdays.
There is a 14-day return policy. Read more
Parts Denmark Info
Parts Denmark Info
Parts Denmark is a new webshop based in Denmark. We have a physical location you can visit (No showroom yet), and we have both email and phone support in our opening hours.
Our company info is:
Parts Denmark ApS
VAT: DK45974758
Dam Holme 11
3660 Stenløse, Denmark
hello@partsdenmark.com
+45 222 333 29
Best regards,
William Svendsen & Martin Høyer (Owners)
Specifications
PROX
01.4223.B
Piston Kit
54,00 mm
Standard
125 cc
Aluminum Alloy
53.96 mm
Non-Coated
2-Stroke
Standard Size B
Kit


Who is behind Parts Denmark
Martin and William are the duo behind Parts Denmark — an unlikely but awesome combo of a tech-savvy young IT wizard and a seasoned motorcycle guru who’s seen (and fixed) it all. Together, we’ve built a team with big ambitions, plenty of passion, and a shared mission to create great things — side-by-side with you.

