{"product_id":"athena-big-bore-cylinder-kit-for-kawasaki-kx-250-2023-2024-300cc-85mm-bore","title":"Athena Big Bore Cylinder Kit for Kawasaki KX 250 (2023-2024) – 300cc, 85mm Bore","description":"\u003cp\u003e\u003cfont size=\"3\"\u003eDiscover how to upgrade your Kawasaki KX 250 with Athena's Extreme Big Bore Kit, which increases displacement to 300 cc, delivering a significant boost in power and torque across the entire power band. This kit is the ideal solution for riders who want to push their bike's performance beyond standard limits while maintaining the legendary handling and lightness of this motocross machine.\u003c\/font\u003e\u003c\/p\u003e\u003cbr\u003e\u003cp\u003e\u003cfont size=\"3\"\u003eEnhance Your Kawasaki KX 250 Performance\u003c\/font\u003e\u003c\/p\u003e\u003cp\u003e\u003cfont size=\"3\"\u003eThe kit includes an aluminum alloy cylinder with an 85 mm steel bore, a high-quality forged piston complete with pin and rings, and all necessary gaskets. This cylinder kit results from years of off-road and racing research and development, ensuring smooth and continuous power delivery suitable for all RPM ranges.\u003c\/font\u003e\u003c\/p\u003e\u003cbr\u003e\u003cp\u003e\u003cfont size=\"3\"\u003eElectronic Innovation with GET Boost\u003c\/font\u003e\u003c\/p\u003e\u003cp\u003e\u003cfont size=\"3\"\u003eIncluded in the kit is the GET Boost electronic module, developed by Athena’s GET division, which takes your Kawasaki KX 250’s performance to the next level. GET is globally recognized for its collaborations with top off-road teams, including MXGP and AMA Supercross. With GET Boost, you can fully leverage the Big Bore kit’s performance without needing to modify the original ECU or electrical system.\u003c\/font\u003e\u003c\/p\u003e\u003cbr\u003e\u003cp\u003e\u003cfont size=\"3\"\u003eEasy Installation and Maximum Integration\u003c\/font\u003e\u003c\/p\u003e\u003cp\u003e\u003cfont size=\"3\"\u003eInstalling the GET Boost is straightforward: simply disconnect the connectors from the primary injector and throttle body, and connect them to the GET auxiliary harness. The GET Boost module, pre-calibrated specifically for this cylinder kit, connects quickly and allows you to get the most out of your engine safely and reliably.\u003c\/font\u003e\u003c\/p\u003e\u003cbr\u003e\u003cp\u003e\u003cfont size=\"3\"\u003eCylinder Technical Specifications\u003c\/font\u003e\u003c\/p\u003e\u003cp\u003e\u003cfont size=\"3\"\u003eThe cylinder is made from a high-silicon aluminum alloy with an integrated steel bore through Athena’s exclusive co-fusion process. This process ensures a perfect bond between the aluminum and steel, improving heat transfer and preventing premature wear. The bore geometry is designed to ensure a perfect combustion seal, preventing pressure loss and fluid or gas leaks.\u003c\/font\u003e\u003c\/p\u003e\u003cbr\u003e\u003cp\u003e\u003cfont size=\"3\"\u003eHigh-Performance Forged Piston\u003c\/font\u003e\u003c\/p\u003e\u003cp\u003e\u003cfont size=\"3\"\u003eThe forged piston, crafted from aluminum alloy, combines strength and lightness. CNC machining ensures tight tolerances and precise geometries, with a molybdenum disulfide coating that reduces friction and noise. The aerospace-grade steel pin, coated with DLC, guarantees hardness and low friction for unparalleled durability and reliability.\u003c\/font\u003e\u003c\/p\u003e\u003cbr\u003e\u003cp\u003e\u003cfont size=\"3\"\u003eHigh-Quality Gaskets\u003c\/font\u003e\u003c\/p\u003e\u003cp\u003e\u003cfont size=\"3\"\u003eThe included gasket set is designed to provide optimal sealing with the new cylinder. The head gasket is an MLS (Multi-layer Steel) type, made from stainless steel and laser-cut with the latest technology, ensuring perfect and long-lasting adherence under all conditions.\u003c\/font\u003e\u003c\/p\u003e\u003cbr\u003e\u003cp\u003e\u003cfont size=\"3\"\u003eTake Your Kawasaki KX 250 to the Next Level\u003c\/font\u003e\u003c\/p\u003e\u003cp\u003e\u003cfont size=\"3\"\u003eThe Big Bore Kit for Kawasaki KX 250 with GET Boost is the ultimate choice for riders who want to maximize their bike’s performance. Increased power, superior reliability, and a riding experience that will make you enjoy every moment on the track or off-road. Get ready to never want to get off your bike again!\u003c\/font\u003e\u003c\/p\u003e\u003cp\u003e\u003cfont size=\"3\"\u003e\u003cbr\u003e\u003c\/font\u003e\u003c\/p\u003e\u003cp\u003e\u003cfont size=\"3\"\u003eOptimize your Kawasaki KX 250's performance with Athena’s Extreme Big Bore Kit and discover a new world of power and excitement.\u003c\/font\u003e\u003c\/p\u003e\u003cp\u003e\u003cfont size=\"3\"\u003e\u003cbr\u003e\u003c\/font\u003e\u003c\/p\u003e\u003cp\u003e\u003cfont size=\"3\"\u003e85mm bore: the maximum increase ever\u003c\/font\u003e\u003c\/p\u003e\u003cp\u003e\u003cfont size=\"3\"\u003eNo crankcase machining needed\u003c\/font\u003e\u003c\/p\u003e\u003cp\u003e\u003cfont size=\"3\"\u003eRacing Forged Piston with fully open boxed bridged design and anti-friction coating\u003c\/font\u003e\u003c\/p\u003e\u003cp\u003e\u003cfont size=\"3\"\u003e\u003c\/font\u003e\u003c\/p\u003e\u003cp\u003e\u003cfont size=\"3\"\u003eAluminum alloy Cylinder with Steel Cylinder Liner\u003c\/font\u003e\u003c\/p\u003e\u003cp\u003e\u003cfont size=\"3\"\u003e\u003cbr\u003e\u003c\/font\u003e\u003c\/p\u003e\u003cp\u003e\u003cfont size=\"3\"\u003eDisplacement: 296cc\u003c\/font\u003e\u003c\/p\u003e\u003cp\u003e\u003cfont size=\"3\"\u003eBore: 85.00mm (+7.0mm)\u003cbr\u003e\u003c\/font\u003e\u003c\/p\u003e\u003cp\u003e\u003cfont size=\"3\"\u003eCompression: 13.5:1\u003cbr\u003e\u003cbr\u003e\u003c\/font\u003e\u003c\/p\u003e\n\u003cp\u003eUpgrade your Kawasaki KX 250 with the Athena Big Bore Cylinder Kit designed specifically for models from 2023 to 2024. This high-performance kit increases engine displacement to 300cc, providing enhanced power and acceleration for competitive riding or recreational use. Crafted with precision, the Athena P400250100030 features an 85mm bore that ensures a perfect fit and optimal engine performance.\u003c\/p\u003e\u003cp\u003eConstructed from durable materials, this cylinder kit offers excellent heat resistance and long-term reliability. It is an ideal upgrade for riders seeking increased horsepower and torque, helping to improve overall bike responsiveness. Installation is straightforward for experienced mechanics, and the kit seamlessly integrates with your existing engine components, restoring or boosting your Kawasaki KX 250’s performance.\u003c\/p\u003e\u003cp\u003eWhether you're upgrading for racing or everyday riding, the Athena Big Bore Cylinder Kit is a reliable choice. It’s engineered to meet high-quality standards and deliver consistent performance, making it a valuable addition to your motorcycle maintenance and enhancement arsenal.\u003c\/p\u003e\u003cp\u003e\u003cb\u003eFeatures:\u003c\/b\u003e\u003c\/p\u003e\u003cul\u003e\u003cli\u003eDesigned specifically for Kawasaki KX 250 models from 2023 to 2024\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eIncreases engine displacement to 300cc for enhanced power\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003e85mm bore for precise fit and optimal performance\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eConstructed from durable, heat-resistant materials\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eEasy to install with compatible engine components\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eImproves horsepower, torque, and overall responsiveness\u003c\/li\u003e\u003c\/ul\u003e","brand":"ATHENA","offers":[{"title":"Default Title","offer_id":44605717053482,"sku":"227186","price":844.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0692\/2285\/8794\/files\/227186_1776955796.jpg?v=1784712820","url":"https:\/\/atticusgoods.com\/products\/athena-big-bore-cylinder-kit-for-kawasaki-kx-250-2023-2024-300cc-85mm-bore","provider":"Atticus Goods","version":"1.0","type":"link"}