PISTON KIT 50MM KTM SX/XC 65 01-08, ATHENA S4C05000002A FOR 80CC BIG BORE KIT
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Delivery to United States 5–8 business days
ATHENA Cast Piston Kit for Big Bore Cylinder Kit - S4C05000002A. This kit includes piston, pin, circlips, and piston rings. Features a 49.95 mm bore diameter, domed piston head, and standard piston pin type. Made from a special high-performance aluminum alloy with high silicon content for excellent performance and durability. Piston skirts may have a molybdenum disulfide coating to reduce friction. Rings are produced in Japan with wear-resistant coatings. Technical specifications include a 15.0:1 compression ratio, 65 cc displacement, and 1 segment. Net weight is 0.11 Kg. Big End Pin Diameter is 12x8x40 mm.
- SKU
- 56-K127.50_PIS
- Brand
- Athena
- Availability
- Out of Stock
Fitments (16)
| Make | Model | Year |
|---|---|---|
| KTM | 65 SX | 2001 |
| KTM | 65 SX | 2002 |
| KTM | 65 SX | 2003 |
| KTM | 65 SX | 2004 |
| KTM | 65 SX | 2005 |
| KTM | 65 SX | 2006 |
| KTM | 65 SX | 2007 |
| KTM | 65 SX | 2008 |
| KTM | 65 XC | 2001 |
| KTM | 65 XC | 2002 |
| KTM | 65 XC | 2003 |
| KTM | 65 XC | 2004 |
| KTM | 65 XC | 2005 |
| KTM | 65 XC | 2006 |
| KTM | 65 XC | 2007 |
| KTM | 65 XC | 2008 |
- General Product Group
- Engine
- General Product Type
- Pistons & Kits
- Variant Id
- 252758
FULL DESCRIPTION
Athena 50mm Piston Kit for 80cc Big Bore Applications
Enhance the performance and reliability of your compatible 65cc off-road motorcycle with this Athena Cast Piston Kit. Designed for Athena Big Bore cylinder kits, this piston is engineered with precision and crafted from a high-performance aluminum alloy with a high silicon content.
This piston kit is manufactured using cutting-edge CNC machining tools, ensuring dimensional tolerances of less than 0.01 mm for optimal fit and function. The result is a piston that offers the reliability of original equipment (OE) while providing superior resistance and excellent performance.
Key Features:
- Precision CNC machining for tight tolerances.
- High-performance aluminum alloy with high silicon content.
- Smooth piston profile for regular flow and ideal flame propagation.
- Some piston skirts may feature a molybdenum disulfide coating applied by screen printing to reduce friction, enhance performance, and increase durability.
- Engineered in Italy and tested on dynamometer benches and on track for validation in extreme conditions.
- Equipped with piston rings manufactured in Japan with wear-resistant coatings (PVD or chromium nitride) for increased longevity and durability.
- Rings are designed to adapt perfectly to the cylinder liner, even at low tangential loads.
- Kit includes piston, pin, circlips, and piston rings.
- All components are replaceable and interchangeable.
This piston kit is intended for competitive use only, and Athena disclaims responsibility for any use contrary to national regulations or for applications beyond its intended competitive purpose.
Technical Specifications:
- Bore Diameter: 49.95 mm
- Compression Ratio: 15.0:1
- Piston Head Type: Domed
- Piston Type: Cast
- Number Of Segments: 1
- Piston Pin Type: Standard
- Big End Pin Diameter: 12x8x40 mm
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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.
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