{"about":"Prices are for United Kingdom in GBP. Every URL here is a plain path you can fetch directly.","product":{"basketKey":"9331c2057303","name":"CYLINDER FULL KIT 77MM YAMAHA WR/YZ 250 14-18, ATHENA P400485100049 STD BORE, (Piston included)","sku":"56-K170.77.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 Ø 77 mm, 250 cc, Part No. P400485100049. This kit includes a high-quality aluminum cylinder with standard bore, a complete piston with piston pin and rings, and all necessary gaskets. The cylinder features a motor-nicksil nickel-silicon coating for smoothness and wear resistance. Developed in Italy by Athena's R&D Department, this cylinder kit offers performance, durability, and reliability, providing the same performance as original spare parts. It is designed to reduce friction and withstand high temperatures, pressures, and stresses. No modifications to the engine crankcase are required for installation. Bore Diameter: 77.00 mm, Compression Ratio: 13.5:1, Displacement: 250 cc, Net Weight: 1.45 Kg.","attributes":[{"label":"General Product Group","value":"Engine"},{"label":"General Product Type","value":"Cylinder Kits"},{"label":"General Size","value":"77mm"},{"label":"Variant Id","value":"253029"}],"image":"https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/56-K170_2E77_2ECKA/72725f46ddc9d2b3.jpg","images":["https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/56-K170_2E77_2ECKA/72725f46ddc9d2b3.jpg"],"description":"ATHENA Standard Bore Cylinder Kit Ø 77 mm, 250 cc, Part No. P400485100049. This kit includes a high-quality aluminum cylinder with standard bore, a complete piston with piston pin and rings, and all necessary gaskets. The cylinder features a motor-nicksil nickel-silicon coating for smoothness and wear resistance. Developed in Italy by Athena's R&D Department, this cylinder kit offers performance, durability, and reliability, providing the same performance as original spare parts. It is designed to reduce friction and withstand high temperatures, pressures, and stresses. No modifications to the engine crankcase are required for installation. Bore Diameter: 77.00 mm, Compression Ratio: 13.5:1, Displacement: 250 cc, Net Weight: 1.45 Kg.","descriptionMarkdown":"### Athena Standard Bore Cylinder Kit - 77mm\n\nUpgrade your motorcycle's performance with the Athena Standard Bore Cylinder Kit. Engineered in Italy, this kit features a lightweight aluminum cylinder with a precision nickel-silicon coating for exceptional smoothness and wear resistance. Designed to deliver the same performance as original spare parts, it ensures extreme reliability and optimal operation. The kit includes the high-quality aluminum cylinder, a complete piston assembly with pin and rings, and all necessary gaskets.\n\nThe Athena cylinder is crafted to withstand demanding conditions, including high temperatures, pressures, and stresses, validated through rigorous bench and road testing. Installation is straightforward, requiring no modifications to the engine crankcase.\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 for enhanced smoothness and wear resistance\n \n- Lightweight aluminum construction\n \n- Piston designed for reduced friction\n \n- Includes cylinder, complete piston assembly, and all required gaskets\n \n- No engine crankcase modifications needed for installation\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":[{"make":"YAMAHA","model":"WR 250F","cc":null,"notes":null,"years":"2015–2018"},{"make":"YAMAHA","model":"WR R 250","cc":null,"notes":null,"years":"2015–2016"},{"make":"YAMAHA","model":"WRF 250","cc":null,"notes":null,"years":"2015–2016"},{"make":"YAMAHA","model":"YZ 250F","cc":null,"notes":null,"years":"2014–2018"},{"make":"YAMAHA","model":"YZ 250FX","cc":null,"notes":null,"years":"2015–2017"},{"make":"YAMAHA","model":"YZF 250","cc":null,"notes":null,"years":"2014–2015"}],"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-wryz-250-14-18-athena-p400485100049-std-bore-pisto","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."]}}