{"product_id":"athena-big-bore-cylinder-kit-85mm-290cc-p400210100074","title":"Athena Big Bore Cylinder Kit 85mm 290cc P400210100074","description":"\u003cp\u003eElevate your motorcycle's performance with the Athena Big Bore Cylinder Kit 290cc, engineered for superior power and durability. This high-performance cylinder kit provides a significant upgrade, ensuring enhanced reliability and a smoother riding experience.\u003c\/p\u003e\n\u003ch2\u003eDescription\u003c\/h2\u003e\n\u003cp\u003eThe Athena Big Bore Cylinder Kit 290cc represents a pinnacle of engine performance enhancement, meticulously engineered in Italy by Athena's renowned R\u0026amp;D Department. Leveraging extensive internal expertise and state-of-the-art design tools, this kit is crafted to deliver exceptional power output and unwavering reliability. Specifically designed for models like the CRF250R (2022-2024), this 85mm bore cylinder kit transforms your engine, providing a significant boost in displacement to 290cc for a more aggressive throttle response and increased torque across the RPM range. The lightweight aluminum cylinder ensures optimal heat dissipation and reduced friction, contributing to the engine's longevity and smooth operation. Each cylinder barrel is treated with Athena's proprietary motor-nicksil, an advanced nickel-silicon coating that guarantees superior smoothness and outstanding wear resistance, ensuring consistent performance even under extreme conditions. This comprehensive kit includes the high-quality aluminum cylinder, a complete piston assembly (with piston pin and rings), and all essential gaskets, providing everything needed for a seamless installation and a powerful engine upgrade.\u003c\/p\u003e\n\u003ch2\u003eFeatures \u0026amp; Highlights\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eItalian Engineering Excellence:\u003c\/strong\u003e Designed and tested entirely in Italy by Athena’s expert R\u0026amp;D team, ensuring cutting-edge performance and uncompromising quality.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOptimized Big Bore Performance:\u003c\/strong\u003e Transforms your engine with an 85mm bore, increasing displacement to 290cc for a substantial boost in power and torque.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAdvanced Motor-Nicksil Coating:\u003c\/strong\u003e Features a proprietary nickel-silicon coating on the cylinder barrel, providing exceptional smoothness, reduced friction, and superior wear resistance for extended engine life.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLightweight Aluminum Construction:\u003c\/strong\u003e Crafted from high-quality, lightweight aluminum, this cylinder offers excellent heat dissipation and contributes to the engine's overall reliability and optimal smoothness.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eComplete Ready-to-Install Kit:\u003c\/strong\u003e Includes the precision-engineered aluminum cylinder, a complete piston assembly (piston pin and rings), and all necessary gaskets for a straightforward and comprehensive engine upgrade.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eBrand: Athena\u003c\/li\u003e\n\u003cli\u003eType: Big Bore Cylinder Kit\u003c\/li\u003e\n\u003cli\u003eBore Diameter: 85mm\u003c\/li\u003e\n\u003cli\u003eDisplacement: 290cc\u003c\/li\u003e\n\u003cli\u003eCylinder Material: Lightweight Aluminum\u003c\/li\u003e\n\u003cli\u003eCylinder Coating: Motor-Nicksil (Nickel-Silicon)\u003c\/li\u003e\n\u003cli\u003eManufacturer Part Number: P400210100074\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEAN:\u003c\/strong\u003e 8056216246253\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Athena","offers":[{"title":"Default Title","offer_id":64330487693642,"sku":"09311218","price":10347.0,"currency_code":"SEK","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0971\/0016\/9546\/files\/2a26bf4e859e4c52d5f82d4e7a3415aa.webp?v=1794339399","url":"https:\/\/partsdenmark.se\/products\/athena-big-bore-cylinder-kit-85mm-290cc-p400210100074","provider":"Parts Denmark","version":"1.0","type":"link"}