{"product_id":"athena-p400210100074-big-bore-cylinder-kit-for-honda-crf-250-r-2022-2024-85mm","title":"ATHENA P400210100074 Big Bore Cylinder Kit for Honda CRF 250 R 2022–2024, 85mm","description":"\u003cp data-path-to-node=\"0\"\u003eUnleash the full potential of your machine with this massive 290cc displacement upgrade. Designed specifically for riders who crave explosive acceleration and relentless power, this complete bolt-on kit transforms your engine's performance from the bottom end all the way to the redline. By increasing your bore to a robust 85mm and pairing it with high-quality, precision-engineered components, you'll experience a dramatic boost in torque and overall horsepower. Whether you are chasing holeshots or tearing up the backcountry, this upgrade delivers race-proven durability and uncompromising performance to keep you ahead of the pack.\u003c\/p\u003e\u003cul data-path-to-node=\"1\"\u003e\n\u003cli\u003e\u003cp data-path-to-node=\"1,0,0\"\u003eMassive 290cc displacement upgrade\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp data-path-to-node=\"1,1,0\"\u003e85mm precision-machined bore\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp data-path-to-node=\"1,2,0\"\u003eOptimized for aggressive torque and horsepower gains\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp data-path-to-node=\"1,3,0\"\u003eIncludes plug-and-play GET electronic tuning module\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp data-path-to-node=\"1,4,0\"\u003eHigh-compression, lightweight forged piston design\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp data-path-to-node=\"1,5,0\"\u003eBolt-on installation with no casing modifications required\u003c\/p\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp data-path-to-node=\"2\"\u003e\u003cstrong\u003eIncludes:\u003c\/strong\u003e\u003c\/p\u003e\u003cul data-path-to-node=\"5\"\u003e\n\u003cli\u003e\u003cp data-path-to-node=\"3,0,0\"\u003eAthena Big Bore Cylinder (85mm)\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp data-path-to-node=\"3,1,0\"\u003eForged Piston\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp data-path-to-node=\"3,2,0\"\u003ePiston Rings, Wrist Pin, and Circlips\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp data-path-to-node=\"3,3,0\"\u003eGET Electronic Module and Wiring Harness\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp data-path-to-node=\"3,4,0\"\u003eCustom Athena Top-End Gasket Kit (Cylinder head and base gaskets)\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp data-path-to-node=\"5,3,0\"\u003e\u003cstrong\u003e\u003cbr\u003e\u003c\/strong\u003e\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp data-path-to-node=\"5,3,0\"\u003e\u003cstrong\u003eNote:\u003c\/strong\u003e The cylinder head and base gaskets contained in the kit are specifically developed for Athena cylinder kits. Whenever the cylinder kit is disassembled, replace the gaskets with the specific Athena spare gasket kit. DO NOT use OE (Original Equipment) replacement gaskets.\u003c\/p\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe ATHENA P400210100074 Big Bore Cylinder Kit is designed for the Honda CRF 250 R model years 2022 through 2024. This kit features an 85mm bore and is identified as a big bore cylinder kit for the specified motorcycle application.\u003c\/p\u003e\n\u003cp\u003eBuilt for use with the Honda CRF 250 R platform, this ATHENA cylinder kit provides a product-specific replacement or upgrade option for riders and technicians working on compatible engine applications. The clearly defined model-year coverage helps simplify product selection and installation planning.\u003c\/p\u003e\n\u003cp\u003eWith its dedicated part number and application-specific design, the P400210100074 kit is suited to service, rebuild, or performance-oriented engine projects involving the listed Honda CRF 250 R models. Verify the motorcycle application and engine requirements before purchase to ensure the kit is appropriate for the intended project.\u003c\/p\u003e\u003cp\u003e\u003cb\u003eFeatures:\u003c\/b\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eBrand: ATHENA\u003c\/li\u003e\n\u003cli\u003ePart Number: P400210100074\u003c\/li\u003e\n\u003cli\u003eProduct Type: Big bore cylinder kit\u003c\/li\u003e\n\u003cli\u003eApplication: Honda CRF 250 R\u003c\/li\u003e\n\u003cli\u003eModel Years: 2022–2024\u003c\/li\u003e\n\u003cli\u003eBore Size: 85mm\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"ATHENA","offers":[{"title":"Default Title","offer_id":68128556286137,"sku":"227213","price":923.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0692\/2285\/8794\/files\/227213_1785938446.jpg?v=1793658412","url":"https:\/\/atticusgoods.com\/products\/athena-p400210100074-big-bore-cylinder-kit-for-honda-crf-250-r-2022-2024-85mm","provider":"Atticus Goods","version":"1.0","type":"link"}