{"product_id":"athena-big-bore-cylinder-kit-85-mm-13-7-1-compression-for-honda-crf250r-and-crf250rx-p400210100067","title":"Athena Big Bore Cylinder Kit 85 mm, 13.7:1 Compression for Honda CRF250R and CRF250RX – P400210100067","description":"\u003cp\u003eThe Athena Big Bore Cylinder Kit is designed to provide a performance-focused replacement and upgrade for select Honda motocross and off-road motorcycles. Featuring an 85 mm bore and a 13.7:1 compression ratio, this kit increases engine displacement while supporting strong throttle response and dependable operation. It is identified by Athena manufacturer part number P400210100067 and is engineered for compatibility with the listed Honda applications.\u003c\/p\u003e\u003cp\u003eThis cylinder kit fits the 2018–2023 Honda CRF250R, including 2018, 2019, 2020, 2021, 2022, and 2023 models. It also fits the 2019–2022 Honda CRF250RX, including 2019, 2020, 2021, and 2022 models. Verify the motorcycle model year and engine configuration before installation to ensure proper application. The kit is intended for riders, technicians, and engine builders seeking a precisely matched Athena cylinder solution for compatible Honda engines.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eBrand:\u003c\/strong\u003e Athena\u003cbr\u003e\u003cstrong\u003eManufacturer Part Number:\u003c\/strong\u003e P400210100067\u003cbr\u003e\u003cstrong\u003eVendor Part Number:\u003c\/strong\u003e P400210100067\u003cbr\u003e\u003cstrong\u003eFitment:\u003c\/strong\u003e 2018–2023 Honda CRF250R; 2019–2022 Honda CRF250RX\u003c\/p\u003e\u003cp\u003e\u003cb\u003eFeatures:\u003c\/b\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e85 mm big bore cylinder design supports increased engine displacement\u003c\/li\u003e\n\u003cli\u003e13.7:1 compression ratio is engineered for performance-oriented engine builds\u003c\/li\u003e\n\u003cli\u003eAthena cylinder kit provides a precision replacement solution for compatible Honda motorcycles\u003c\/li\u003e\n\u003cli\u003eFits 2018–2023 Honda CRF250R models\u003c\/li\u003e\n\u003cli\u003eFits 2019–2022 Honda CRF250RX models\u003c\/li\u003e\n\u003cli\u003eManufacturer and vendor part number: P400210100067\u003c\/li\u003e\n\u003c\/ul\u003e\u003cbr\u003e\nFitment:\u003cbr\u003e\n2018 Honda CRF250R\u003cbr\u003e\n2019 Honda CRF250R\u003cbr\u003e\n2019 Honda CRF250RX\u003cbr\u003e\n2020 Honda CRF250R\u003cbr\u003e\n2020 Honda CRF250RX\u003cbr\u003e\n2021 Honda CRF250R\u003cbr\u003e\n2021 Honda CRF250RX\u003cbr\u003e\n2022 Honda CRF250R\u003cbr\u003e\n2022 Honda CRF250RX\u003cbr\u003e\n2023 Honda CRF250R\u003cbr\u003e\n2023 Honda CRF250RX\u003cbr\u003e\n2024 Honda CRF250R\u003cbr\u003e\n2024 Honda CRF250RX","brand":"ATHENA","offers":[{"title":"Default Title","offer_id":67549867016427,"sku":"68-4718","price":1070.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0611\/3882\/9547\/files\/1dbc-601ae30420d29.jpg?v=1790697184","url":"https:\/\/ctracingservices.com\/products\/athena-big-bore-cylinder-kit-85-mm-13-7-1-compression-for-honda-crf250r-and-crf250rx-p400210100067","provider":"Cascade Tire \u0026 Racing Services","version":"1.0","type":"link"}