{"about":"Prices are for United Kingdom in GBP. Every URL here is a plain path you can fetch directly.","product":{"basketKey":"207f3cd42989","name":"CYLINDER FULL KIT 77mm YAMAHA YZ 250F 19-26, ATHENA P400485100072 STD BORE, (Piston included)","sku":"56-K250.77.CKA","brand":"Athena","mpn":null,"gtin":null,"condition":"new","inStock":false,"stock":0,"price":{"amount":523.94,"formatted":"£523.94"},"summary":"Athena Standard Bore Cylinder Kit, 77mm bore diameter, 250cc displacement. Features a lightweight aluminum cylinder with a motor-nicksil nickel-silicon coating for smoothness and wear resistance. Includes a complete piston with pin and rings, and all necessary gaskets. Developed to withstand high temperatures, pressures, and stresses. Compression ratio 13.5:1. Net weight 1.45 Kg. Part number P400485100072.","attributes":[{"label":"General Product Group","value":"Engine"},{"label":"General Product Type","value":"Cylinder Kits"},{"label":"Variant Id","value":"310557"}],"image":"https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/56-K250_2E77_2ECKA/c7cfd9ab981b3e92.jpg","images":["https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/56-K250_2E77_2ECKA/c7cfd9ab981b3e92.jpg"],"description":"Athena Standard Bore Cylinder Kit, 77mm bore diameter, 250cc displacement. Features a lightweight aluminum cylinder with a motor-nicksil nickel-silicon coating for smoothness and wear resistance. Includes a complete piston with pin and rings, and all necessary gaskets. Developed to withstand high temperatures, pressures, and stresses. Compression ratio 13.5:1. Net weight 1.45 Kg. Part number P400485100072.","descriptionMarkdown":"### Athena Standard Bore Cylinder Kit - 77mm\n\nThis Athena Standard Bore Cylinder Kit is meticulously engineered for optimal performance and durability. Developed and manufactured in Italy by Athena's expert R&D department, this kit features a lightweight aluminum cylinder with a nickel-silicon coating for superior smoothness and wear resistance. The included piston is specifically designed to minimize friction, ensuring a reliable and powerful engine.\n\nThis kit is designed to deliver the same performance as original spare parts, offering exceptional reliability and smooth operation. All components are built to withstand extreme temperatures, pressures, and stresses, validated through rigorous bench and road testing by Athena technicians. No modifications to the engine crankcase are required for installation.\n\n**Key Features:**\n\n \n- Standard Bore Diameter: 77.00 mm\n \n- Displacement: 250 cc\n \n- Compression Ratio: 13.5:1\n \n- Durable nickel-silicon coating developed by Athena\n \n- Lightweight aluminum cylinder construction\n \n- Piston designed for reduced friction\n \n- Includes high-quality aluminum cylinder, complete piston with pin and rings, and all necessary gaskets\n \n- Engineered to withstand high temperatures, pressures, and stresses\n \n- Direct fit installation without engine crankcase modifications\n\n**Technical Specifications:**\n\n \n- Bore Diameter: 77.00 mm\n \n- Compression Ratio: 13.5:1\n \n- Displacement: 250 cc\n \n- Net Weight: 1.45 Kg","weightGrams":null,"fitments":[],"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-77mm-yamaha-yz-250f-19-26-athena-p400485100072-std-bore-piston","buyOneNow":null,"basketWithThis":null}},"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."]}}