{"product_id":"athena-p400250100001-54-mm-big-bore-cylinder-kit-for-kawasaki-kx125","title":"Athena P400250100001 54 mm Big Bore Cylinder Kit for Kawasaki KX125","description":"\u003cp\u003eUpgrade the top-end performance of your two-stroke motocross bike with the Athena P400250100001 Cylinder Kit. This 54 mm big bore kit is engineered for Kawasaki KX125 applications and is designed to provide a dependable replacement for worn or damaged original cylinder components. With a 14.8:1 compression ratio, the kit supports strong combustion performance and responsive power when paired with the appropriate supporting components and tuning.\u003c\/p\u003e\u003cp\u003eManufactured by Athena, the kit is built for precise fitment and reliable service in demanding riding conditions. It is suitable for 2003, 2004, 2005, 2006, and 2007 Kawasaki KX125 models. Confirm model-year compatibility and supporting engine specifications before installation. Proper assembly, piston clearance, break-in procedures, fuel requirements, and carburetor or ignition adjustments should follow the motorcycle manufacturer’s recommendations and Athena’s installation guidance.\u003c\/p\u003e\u003cp\u003eThe Athena P400250100001 cylinder kit is intended for riders, technicians, and powersports professionals seeking a performance-focused top-end solution for a compatible Kawasaki KX125. Its 54 mm bore and 14.8:1 compression specification make it an excellent choice for rebuilding or refreshing the engine while maintaining application-specific compatibility. Use the manufacturer’s instructions and verify all related components before completing installation.\u003c\/p\u003e\u003cp\u003e\u003cb\u003eFeatures:\u003c\/b\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eBore Size: 54 mm big bore cylinder kit\u003c\/li\u003e\n\u003cli\u003eCompression Ratio: 14.8:1 for performance-oriented engine operation\u003c\/li\u003e\n\u003cli\u003eBrand: Athena\u003c\/li\u003e\n\u003cli\u003eManufacturer Part Number: P400250100001\u003c\/li\u003e\n\u003cli\u003eVendor Part Number: 68-4800\u003c\/li\u003e\n\u003cli\u003eFitment: 2003 Kawasaki KX125\u003c\/li\u003e\n\u003cli\u003eFitment: 2004 Kawasaki KX125\u003c\/li\u003e\n\u003cli\u003eFitment: 2005 Kawasaki KX125\u003c\/li\u003e\n\u003cli\u003eFitment: 2006 Kawasaki KX125\u003c\/li\u003e\n\u003cli\u003eFitment: 2007 Kawasaki KX125\u003c\/li\u003e\n\u003cli\u003eApplication: Two-stroke motocross engine top-end replacement or performance rebuild\u003c\/li\u003e\n\u003c\/ul\u003e\u003cbr\u003e\nFitment:\u003cbr\u003e\n2003 Kawasaki KX125\u003cbr\u003e\n2004 Kawasaki KX125\u003cbr\u003e\n2005 Kawasaki KX125\u003cbr\u003e\n2006 Kawasaki KX125\u003cbr\u003e\n2007 Kawasaki KX125","brand":"ATHENA","offers":[{"title":"Default Title","offer_id":67549862691051,"sku":"68-4800","price":799.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0611\/3882\/9547\/files\/da35-572a805599d8d.jpg?v=1790697056","url":"https:\/\/ctracingservices.com\/products\/athena-p400250100001-54-mm-big-bore-cylinder-kit-for-kawasaki-kx125","provider":"Cascade Tire \u0026 Racing Services","version":"1.0","type":"link"}