{"product_id":"athena-cylinder-kit-big-bore-85mm-bore-for-honda-crf250r-2025-2026","title":"Athena Cylinder Kit Big Bore 85mm Bore For Honda CRF250R 2025-2026","description":"\u003cbr\u003e \u003cp\u003eTake your \u003cstrong\u003eHonda CRF 250R\u003c\/strong\u003e to the next performance level with the \u003cstrong\u003eAthena Big Bore cylinder kit featuring GET Boost technology\u003c\/strong\u003e, engineered to deliver a \u003cstrong\u003estronger, more responsive, and more enjoyable power delivery\u003c\/strong\u003e across the entire rpm range.\u003c\/p\u003e\u003cp\u003eDesigned for riders seeking increased mid‑range torque, quicker throttle reaction, and a more assertive power curve, this kit combines Athena’s racing‑grade engineering with the advanced architecture of Honda’s latest 250 platform.\u003c\/p\u003e\u003cp\u003e\u003c\/p\u003e\u003ch2\u003eMore torque, quicker acceleration, better control\u003c\/h2\u003e\u003cp\u003eThe kit includes a \u003cstrong\u003ebig bore aluminum cylinder\u003c\/strong\u003e made from a \u003cstrong\u003ehigh‑silicon alloy with an integrated steel liner\u003c\/strong\u003e, ensuring excellent thermal stability and efficient combustion under sustained racing loads. The \u003cstrong\u003ehigh‑performance forged piston\u003c\/strong\u003e, supplied with pin and rings, is precisely engineered to match the increased bore and maintain durability, smoothness, and optimal sealing.\u003c\/p\u003e\u003cp\u003eThe outcome is a more responsive engine with \u003cstrong\u003estronger torque\u003c\/strong\u003e, improved acceleration, and faster throttle reaction during corner exits, rhythm sections, and technical track conditions.\u003c\/p\u003e\u003cp\u003e\u003c\/p\u003e\u003ch2\u003eGET Boost electronic module included\u003c\/h2\u003e\u003cp\u003eThe kit comes with the \u003cstrong\u003eGET Boost electronic module\u003c\/strong\u003e, developed by \u003cstrong\u003eGET\u003c\/strong\u003e, Athena’s in‑house electronics division. Preconfigured specifically for the \u003cstrong\u003eCRF 250R Big Bore\u003c\/strong\u003e setup, it enhances combustion and fueling strategies without requiring ECU replacement or modifications.\u003c\/p\u003e\u003cp\u003e\u003c\/p\u003e\u003ch2\u003ePlug‑and‑play installation and seamless integration\u003c\/h2\u003e\u003cp\u003eThe GET wiring harness connects directly to the injector and throttle body connectors, offering a quick, non‑invasive installation. The dedicated Boost calibration ensures safe, consistent performance with a power curve tailored to the new cylinder configuration.\u003c\/p\u003e\u003cp\u003e\u003c\/p\u003e\u003ch2\u003eAthena racing‑grade manufacturing\u003c\/h2\u003e\u003cp\u003eThe forged piston is CNC‑machined for reduced friction and increased mechanical strength, while the high‑strength piston pin ensures long‑term reliability under elevated loads. All components follow Athena’s racing‑derived manufacturing standards for precision and durability.\u003c\/p\u003e\u003cp\u003e\u003c\/p\u003e\u003ch2\u003eComplete kit, ready for assembly\u003c\/h2\u003e\u003cp\u003eAll required gaskets are included, making the kit ready for professional installation within OEM Honda tolerances.\u003c\/p\u003e\u003cp\u003eThe \u003cstrong\u003eAthena Big Bore cylinder kit with GET Boost\u003c\/strong\u003e is the ideal upgrade for riders wanting a \u003cstrong\u003emore powerful, more responsive, and more exhilarating Honda CRF 250R\u003c\/strong\u003e.\u003c\/p\u003e\u003cstrong\u003e\u003cp\u003eDescription:\u003c\/p\u003e\u003c\/strong\u003e\u003cul\u003e\n\u003cli\u003eOversized cylinder with high-performance forged piston\u003c\/li\u003e\n\u003cli\u003eIncludes pre-mapped GET Boost module for easy install\u003c\/li\u003e\n\u003cli\u003eAdvanced materials for superior strength and reliability\u003c\/li\u003e\n\u003cli\u003ePremium gaskets ensure perfect and lasting sealing\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eBrand: \u003c\/strong\u003eAthena\u003cbr\u003e\u003cstrong\u003ePart Number: \u003c\/strong\u003eP400210100073\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eFitment:\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\u003cli\u003eHonda CRF250R 2025-2026\u003c\/li\u003e\u003c\/ul\u003e\u003cbr\u003e\u003cp\u003e\u003cstrong\u003eNote: Image is for reference only, actual product may vary slightly.\u003c\/strong\u003e\u003c\/p\u003e","brand":"Athena","offers":[{"title":"Default Title","offer_id":45159804239951,"sku":"P400210100073-ATHENA-0426-ATH","price":956.78,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0021\/7120\/7759\/files\/P400210100073_eccbf49c-c916-4a8f-9fb6-4b47c30b1796.jpg?v=1777656949","url":"https:\/\/lionparts.com\/products\/athena-cylinder-kit-big-bore-85mm-bore-for-honda-crf250r-2025-2026","provider":"Lionparts Powersports","version":"1.0","type":"link"}