{"about":"Prices are for United Kingdom in GBP. Every URL here is a plain path you can fetch directly.","product":{"basketKey":"0afc0ae8824c","name":"CYLINDER FULL KIT 80MM KTM EXC-F/SX-F 250 06-11, ATHENA P400270100004 FOR 290CC BIG BORE, (Piston included)","sku":"56-K128.80.KIT.ATH","brand":"Athena","mpn":null,"gtin":null,"condition":"new","inStock":true,"stock":1,"price":{"amount":653.87,"formatted":"£653.87"},"summary":"ATHENA Big Bore Cylinder Kit Ø 80 mm, 290 cc P400270100004. Features a motor-nicksil coating for smoothness and wear resistance. Engineered in Italy, this kit includes an aluminum cylinder with increased bore, a complete piston with pin and rings, and all necessary gaskets. Developed to withstand high temperatures, pressures, and stresses. Can be installed without engine crankcase modifications. Bore Diameter 80.00 mm, Compression Ratio 12.5:1, Displacement 290 cc, Net Weight 1.60 Kg. Piston part number P400270160003. Gasket kit part number P400270160003.","attributes":[{"label":"General Product Group","value":"Engine"},{"label":"General Product Type","value":"Cylinder Kits"},{"label":"General Size","value":"80mm"},{"label":"Variant Id","value":"252765"}],"image":"https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/56-K128_2E80_2EKIT_2EATH/08053f16550a06c2.jpg","images":["https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/56-K128_2E80_2EKIT_2EATH/08053f16550a06c2.jpg"],"description":"ATHENA Big Bore Cylinder Kit Ø 80 mm, 290 cc P400270100004. Features a motor-nicksil coating for smoothness and wear resistance. Engineered in Italy, this kit includes an aluminum cylinder with increased bore, a complete piston with pin and rings, and all necessary gaskets. Developed to withstand high temperatures, pressures, and stresses. Can be installed without engine crankcase modifications. Bore Diameter 80.00 mm, Compression Ratio 12.5:1, Displacement 290 cc, Net Weight 1.60 Kg. Piston part number P400270160003. Gasket kit part number P400270160003.","descriptionMarkdown":"### Athena 290cc Big Bore Cylinder Kit for KTM 250\n\nUpgrade your motorcycle's performance with the Athena Big Bore Cylinder Kit. This kit is engineered to increase displacement to 290cc, providing a noticeable boost in power across the entire RPM range while maintaining the reliability of original components. Athena's extensive experience in aftermarket cylinder parts, coupled with cutting-edge Italian design and testing, ensures a high-quality, durable, and high-performance upgrade.\n\nThe cylinder features a Nikasil coating, a proprietary nickel-silicon blend developed by Athena for superior smoothness and wear resistance. This advanced coating is designed to withstand extreme temperatures, pressures, and stresses encountered during demanding riding conditions.\n\nThis complete kit includes everything needed for installation, eliminating the need for modifications to your engine's crankcase. The package contains:\n\n \n- High-quality aluminum cylinder with an 80mm bore diameter\n \n- Complete piston assembly, including piston pin and rings\n \n- All necessary gaskets for a secure and leak-free fit\n\nAll components have undergone rigorous bench and road testing by Athena technicians to validate their performance and durability.\n\n#### Technical Specifications:\n\n \n- Bore Diameter: 80.00 mm\n \n- Compression Ratio: 12.5:1\n \n- Displacement: 290 cc\n \n- Net Weight: 1.60 Kg","weightGrams":null,"fitments":[{"make":"KTM","model":"250 EXC F CHAMPION","cc":null,"notes":null,"years":"2010"},{"make":"KTM","model":"250 EXC F FACTORY EDITION","cc":null,"notes":null,"years":"2011"},{"make":"KTM","model":"250 EXC-F","cc":null,"notes":null,"years":"2006–2013"},{"make":"KTM","model":"250 EXC-F SIX DAYS","cc":null,"notes":null,"years":"2009–2013"},{"make":"KTM","model":"250 SX-F","cc":null,"notes":null,"years":"2005–2012"},{"make":"KTM","model":"250 XC-F","cc":null,"notes":null,"years":"2006–2012"},{"make":"KTM","model":"250 XCF-W","cc":null,"notes":null,"years":"2006–2013"}],"collections":[{"name":"Engine","url":"https://www.2brosparts.com/api/agent/collection/GB/engine"},{"name":"Cylinder Kits","url":"https://www.2brosparts.com/api/agent/collection/GB/cylinder-kits"}],"links":{"page":"https://www.2brosparts.com/products/cylinder-full-kit-80mm-ktm-exc-fsx-f-250-06-11-athena-p400270100004-for-290cc-bi","buyOneNow":"https://www.2brosparts.com/api/agent/checkout/GB/0afc0ae8824c:1","basketWithThis":"https://www.2brosparts.com/api/agent/basket/GB/0afc0ae8824c:1"}},"market":{"country":"GB","countryName":"United Kingdom","locale":"en-gb","currency":"GBP","exchangeRateFromGbp":1,"pricesIncludeUkVat":true,"checkoutTax":null,"delivery":[{"name":"Standard","description":"Orders £15.00–£59.99 · 2–4 business days","carrier":null,"estimatedDays":"2–4 business days","price":{"amount":4.99,"formatted":"£4.99"},"free":false,"minimumOrder":{"amount":0,"formatted":"£0.00","gbp":0},"weightGrams":null},{"name":"Standard","description":"Orders £60.00 and up · 2–4 business days","carrier":null,"estimatedDays":"2–4 business days","price":{"amount":0,"formatted":"£0.00"},"free":true,"minimumOrder":{"amount":60,"formatted":"£60.00","gbp":60},"weightGrams":null}],"storeUrl":"https://www.2brosparts.com"},"navigate":{"start":"https://www.2brosparts.com/api/agent","search":"https://www.2brosparts.com/api/agent/search/GB/{words+joined+with+plus}"},"howToBuy":{"summary":"Build a basket for the shopper and give them one checkout link. Every URL is a plain path (no query string) and a GET. Nothing is stored between calls.","checkoutLinkFormat":"https://www.2brosparts.com/api/agent/checkout/GB/{basketKey}:{quantity},{basketKey}:{quantity}","steps":["1. Find products: follow links in these responses, or fetch https://www.2brosparts.com/api/agent/search/GB/{words+joined+with+plus} (e.g. https://www.2brosparts.com/api/agent/search/GB/brake+pads). Every product has a basketKey.","2. Optional check: https://www.2brosparts.com/api/agent/basket/GB/{basketKey}:{quantity},{basketKey}:{quantity} returns stock, totals per delivery option and the checkout link.","3. Give the shopper the checkout link. Opening it fills their basket with exactly these items (replacing what was there) and opens checkout for United Kingdom. They pay on 2brosparts.com through Stripe."],"noFetchNeeded":"You can write the checkout link yourself from basketKeys and quantities; nothing has to be fetched first. Each product also has links.buyOneNow, a ready link for one unit.","stateless":"Nothing is saved on our side. The items part of the URL is the whole basket: to change it, write the link again with the new list.","itemsFormat":"basketKey:quantity pairs joined by commas, e.g. 04f24aad4d68:2,7c1e9a0b3f2d:1. Quantity defaults to 1. Up to 50 products, 100 each.","country":"GB is the shopper's delivery country. Swap it for theirs (US, DE, FR…) in any URL; currency, tax and delivery follow it.","tips":["Put everything the shopper wants in one link.","Optionally add your name as a last path segment on checkout links (…/checkout/GB/<items>/claude) so the sale is credited to you.","The checkout link is for the shopper's browser. Do not open it yourself.","Signed-in trade account holders see their trade prices at checkout."]}}