Athena 125cc 2-stroke Piston Kit
Athena 125cc 2-stroke Piston Kit
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Estimated delivery: Feb 04 - Feb 08
About this product
About this product
Upgrade your Athena big bore cylinder with this high-performance piston kit. Designed for demanding 2-stroke applications, this kit delivers improved reliability and performance, ensuring your engine operates at its peak potential.
Description
The Athena piston kit is engineered for superior performance and durability. Manufactured using cutting-edge CNC machining, the piston maintains dimensional tolerances of less than 0.01 mm. This ensures precise fitment and optimal functionality within your Athena 125cc big bore cylinder. The cast piston offers exceptional resistance to mechanical and thermal stresses, guaranteeing longevity even under extreme conditions. Rigorously tested on engine dynamometer benches and race tracks, this piston kit is validated for performance under progressive stress loads. The piston rings are designed to adapt seamlessly to the cylinder liner, even at low tangential loads, ensuring efficient sealing and combustion. This kit is ideal for enthusiasts and professionals seeking to enhance the performance and reliability of their 2-stroke engine.
Features & highlights
- Specifically designed for Athena big bore cylinders, ensuring perfect compatibility.
- Cast piston construction provides high resistance to mechanical and thermal stress.
- Precision CNC machining maintains dimensional tolerances within 0.01 mm for optimal fit.
- Dynamometer and track tested to validate performance under extreme conditions.
- Piston rings adapt to the cylinder liner, ensuring efficient sealing and combustion.
- Kit includes piston, wrist pin, circlips, and piston rings for a complete rebuild solution.
- Optimized for 125cc 2-stroke engines to deliver enhanced power and reliability.
Technical specifications
- Brand: Athena
- Part Number: 09100878
- Product Name: Piston Kit
- Engine Type: 2-Stroke
- Displacement: 125 cc
- Bore Size: 57.95 mm
- Piston Material: 4032 Aluminum Alloy
- Piston Head Shape: Flat Top
- Compression Ratio: Stock
Important to know
This piston kit is specifically designed for use with Athena big bore cylinders on 2-stroke engines. Ensure compatibility before installation.
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
ATHENA
S4C05800002B
Piston Kit
57,95 mm
Stock
125 cc
4032 Aluminum Alloy
2-Stroke
Flat Top
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.

