{"product_id":"athena-cylinder-kit-big-bore-85mm-bore-for-ktm-250-sxf-2016-2018-p400270100029","title":"Athena Cylinder Kit Big Bore 85mm Bore For KTM 250 SXF 2016-2018 P400270100029","description":"\u003cbr\u003e \u003cp\u003eElevate your \u003cstrong\u003eKTM 250 SX‑F 2016–2018\u003c\/strong\u003e with the \u003cstrong\u003eAthena Big Bore cylinder kit featuring GET Boost technology\u003c\/strong\u003e, engineered to increase displacement and deliver a \u003cstrong\u003estronger, quicker, more usable power delivery\u003c\/strong\u003e across the entire RPM range.\u003c\/p\u003e\u003cp\u003eBuilt for riders who want \u003cstrong\u003emore torque\u003c\/strong\u003e, faster corner‑exit acceleration, and immediate throttle reaction through technical sections, this kit blends Athena’s racing‑grade engineering with the efficiency of KTM’s 250 SX‑F platform.\u003c\/p\u003e\u003cp\u003e\u003c\/p\u003e\u003ch2\u003eStronger torque, quicker corner exits\u003c\/h2\u003e\u003cp\u003eThe kit features a \u003cstrong\u003ebig bore aluminum cylinder\u003c\/strong\u003e made from \u003cstrong\u003ehigh‑silicon alloy\u003c\/strong\u003e with an \u003cstrong\u003eintegrated steel liner\u003c\/strong\u003e to ensure thermal stability and consistent combustion under sustained load.\u003cbr\u003eA \u003cstrong\u003ehigh‑performance forged piston\u003c\/strong\u003e, supplied with \u003cstrong\u003episton pin and rings\u003c\/strong\u003e, is precisely matched to the increased bore to minimize friction, improve sealing, and enhance long‑term reliability.\u003c\/p\u003e\u003cp\u003eThe outcome is a \u003cstrong\u003efuller, more responsive mid‑range\u003c\/strong\u003e, with quicker acceleration and improved drive on low‑grip surfaces and rhythm sections.\u003c\/p\u003e\u003cp\u003e\u003c\/p\u003e\u003ch2\u003eGET Boost module included, dedicated calibration\u003c\/h2\u003e\u003cp\u003eSupplied with the kit is the \u003cstrong\u003eGET Boost electronic module\u003c\/strong\u003e, developed by \u003cstrong\u003eGET\u003c\/strong\u003e, Athena’s electronics division. \u003cstrong\u003ePreconfigured for the 250 SX‑F Big Bore\u003c\/strong\u003e, it optimizes fueling and combustion management \u003cstrong\u003ewithout replacing the stock ECU\u003c\/strong\u003e.\u003c\/p\u003e\u003cp\u003e\u003c\/p\u003e\u003ch2\u003ePlug‑and‑play installation, clean integration\u003c\/h2\u003e\u003cp\u003eThe GET harness connects directly to the \u003cstrong\u003einjector\u003c\/strong\u003e and \u003cstrong\u003ethrottle body\u003c\/strong\u003e connectors. The dedicated Boost map delivers a strong, predictable 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 \u003cstrong\u003eCNC‑machined forged piston\u003c\/strong\u003e provides reduced friction and high mechanical strength; the \u003cstrong\u003ehigh‑strength piston pin\u003c\/strong\u003e withstands increased loads in demanding use. The \u003cstrong\u003ecylinder\u003c\/strong\u003e is built to Athena’s racing‑derived tolerances for precision, durability, and repeatable performance.\u003c\/p\u003e\u003cp\u003e\u003c\/p\u003e\u003ch2\u003eComplete kit, ready to assemble\u003c\/h2\u003e\u003cp\u003eAll required \u003cstrong\u003egaskets are included\u003c\/strong\u003e for professional installation within KTM OEM tolerances.\u003c\/p\u003e\u003cp\u003eThe \u003cstrong\u003eAthena Big Bore cylinder kit with GET Boost\u003c\/strong\u003e is the ideal upgrade for a \u003cstrong\u003eKTM 250 SX‑F 2016–2018\u003c\/strong\u003e that feels \u003cstrong\u003estronger, more responsive, and more effective on track\u003c\/strong\u003e—with no compromise on reliability.\u003c\/p\u003e\u003cp\u003e\u003c\/p\u003e\u003ch2\u003e\u003c\/h2\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\u003eP400270100029\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eFitment:\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\u003cli\u003eKTM 250 SXF 2016-2018\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":45159895466063,"sku":"P400270100029-ATHENA-0426-ATH","price":956.78,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0021\/7120\/7759\/files\/P400270100029_54066afe-b28f-4656-9f25-242fda92be31.jpg?v=1777657178","url":"https:\/\/lionparts.com\/products\/athena-cylinder-kit-big-bore-85mm-bore-for-ktm-250-sxf-2016-2018-p400270100029","provider":"Lionparts Powersports","version":"1.0","type":"link"}