CYLINDER FULL KIT 83mm 2009-2010 KAWASAKI KX 250 ATHENA P400250100013 290CC BIG BORE (Piston included)
ATHENA Big Bore Cylinder Kit, bore diameter 83 mm, 290 cc. This kit includes the high-quality aluminum cylinder with increased bore, a complete piston with pin and rings, and all necessary gaskets. The cylinder features a nickel-silicon coating for smoothness and wear resistance. All components are engineered in Italy and designed to withstand high temperatures, pressures, and stresses. No crankcase modifications are required for installation. Technical features include a bore diameter of 83.00 mm, compression ratio of 13.5:1, displacement of 290 cc, and a net weight of 1.60 Kg.
- SKU
- 56-K145.83.KIT
- Brand
- Athena
- Availability
- In Stock (2)
FULL DESCRIPTION
Athena 290cc Big Bore Cylinder Kit - 83mm Bore
Enhance the performance of your motorcycle with the Athena Big Bore Cylinder Kit. This kit is engineered in Italy by Athena's dedicated R&D Department, utilizing advanced tools and extensive internal expertise to design and test each component. The cylinder features a Motor-Nicksil coating, a proprietary nickel-silicon blend developed by Athena for exceptional smoothness and superior wear resistance.
Athena's cylinder kits are globally recognized for their outstanding performance, long-lasting durability, and unwavering reliability. This Big Bore Cylinder Kit is designed to deliver a noticeable increase in power across the entire rev range while maintaining the reliability of original components.
The complete kit includes:
- A high-quality aluminum cylinder with an increased bore diameter of 83mm.
- A complete piston assembly, including the piston, piston pin, and rings.
- All necessary gaskets for installation.
Every component within this kit has been rigorously developed and validated by Athena technicians through extensive bench and road testing to withstand extreme temperatures, pressures, and stresses. Importantly, this cylinder kit can be installed without requiring any modifications to the engine crankcase.
Technical Specifications:
- Bore Diameter: 83.00 mm
- Compression Ratio: 13.5:1
- Displacement: 290 cc
- Net Weight: 1.60 Kg
Athena Part Number: P400250100013
Note: All Athena products should be used in compliance with applicable national regulations. Athena is not responsible for any misuse of its products.


