## Athena Complete Cylinder Kit 54.00mm (14.7:1) P400485100100 Elevate your motorcycle's performance with the Athena Complete Cylinder Kit, featuring a precision-engineered 54.00mm bore and an impressive 14.7:1 compression ratio. Athena, a global leader in high-performance aftermarket parts, consistently invests in research and development to deliver unparalleled quality and efficiency. This comprehensive cylinder kit is designed to provide exceptional power, durability, and reliability for an ultimate riding experience. ## Unleash Superior Performance with Athena For over a decade, Athena has been at the forefront of aftermarket cylinder development, relentlessly pursuing advancements in quality and performance. Every Athena cylinder is meticulously designed and engineered entirely in Italy by the company's dedicated R&D department. Leveraging profound in-house expertise and cutting-edge design and testing tools, Athena ensures that each component meets the highest standards. Riders worldwide trust Athena cylinder kits for their renowned performance, longevity, and unwavering reliability. ### Advanced Engineering for Optimal Power The Athena Standard Bore cylinder kit is engineered to match or even surpass the performance of original equipment parts. It guarantees exceptional reliability and remarkably smooth operation, attributed to its innovative construction: * **Lightweight Aluminum Cylinder:** Crafted from high-quality aluminum, the cylinder offers superior heat dissipation and reduced weight, contributing to improved engine response and overall agility. * **Nikasil® Coating:** The cylinder liner is treated with a specialized Nikasil® nickel-silicon coating. This advanced finish provides an incredibly smooth surface, ensuring optimal piston lubrication and outstanding resistance to wear, significantly extending the engine's lifespan. * **Optimized Piston Design:** The included piston is precisely engineered to minimize friction, enhancing efficiency and reducing parasitic losses within the engine. This design ensures consistent power delivery and a more responsive throttle. ## Complete Kit for Seamless Installation This Athena Complete Cylinder Kit provides everything necessary for a straightforward and efficient installation, ensuring your motorcycle returns to peak performance quickly. Each kit includes: * A high-quality aluminum cylinder * A complete piston, including the piston pin and piston rings * All essential gaskets required for a perfect seal and reliable operation All components within the kit are rigorously developed to withstand extreme temperatures, pressures, and stresses. Athena technicians meticulously approve each element through stringent bench and road tests, guaranteeing maximum safety and performance under various riding conditions. ## Specifications * **Cylinder Bore:** 54.00mm * **Compression Ratio:** 14.7:1 ## Vehicle Compatibility This Athena Complete Cylinder Kit is compatible with the following models: * Fantic XE 125 2T 2023 * Fantic XE 125 2T 2024 * Fantic XX 125 2T 2022 * Fantic XX 125 2T 2023 * Fantic XX 125 2T 2024 * Fantic XX 125 2T 2025 * Yamaha YZ 125 2022 * Yamaha YZ 125 2023 * Yamaha YZ 125 2024 * Yamaha YZ 125 2025