{"about":"Prices are for United Kingdom in GBP. Every URL here is a plain path you can fetch directly.","product":{"basketKey":"c4424055b9a3","name":"CYLINDER FULL KIT 83mm 08-13 YAMAHA WR 250 ATHENA P400485100036 290CC BIG BORE PISTON AND CDI INCLUDED","sku":"56-K144.83.CKA","brand":"Athena","mpn":null,"gtin":null,"condition":"new","inStock":true,"stock":2,"price":{"amount":781.72,"formatted":"£781.72"},"summary":"ATHENA Big Bore Cylinder Kit Ø 83 mm, 290 cc P400485100036. Includes complete piston with pin and rings, necessary gaskets, and increased bore aluminium cylinder with CNC machining. Features motor-nicksil coating for smoothness and wear resistance. Includes an additional CDI designed by GET technicians to maximize engine performance. Developed to withstand high temperatures, pressures, and stresses. Installation does not require engine crankcase modifications. Bore Diameter: 83.00 mm. Compression Ratio: 12.7:1. Displacement: 290 cc. Net Weight: 2.09 Kg.","attributes":[{"label":"General Product Group","value":"Engine"},{"label":"General Product Type","value":"Cylinder Kits"},{"label":"Variant Id","value":"252879"}],"image":"https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/56-K144_2E83_2ECKA/18097757c118a736.jpg","images":["https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/56-K144_2E83_2ECKA/18097757c118a736.jpg"],"description":"ATHENA Big Bore Cylinder Kit Ø 83 mm, 290 cc P400485100036. Includes complete piston with pin and rings, necessary gaskets, and increased bore aluminium cylinder with CNC machining. Features motor-nicksil coating for smoothness and wear resistance. Includes an additional CDI designed by GET technicians to maximize engine performance. Developed to withstand high temperatures, pressures, and stresses. Installation does not require engine crankcase modifications. Bore Diameter: 83.00 mm. Compression Ratio: 12.7:1. Displacement: 290 cc. Net Weight: 2.09 Kg.","descriptionMarkdown":"### Athena Big Bore Cylinder Kit 83mm 290cc with Piston and CDI\n\n**ATHENA Big Bore Cylinder Kit &Oslash; 83 mm, 290 cc**\n\nThis Athena Big Bore Cylinder Kit is engineered in Italy to enhance the performance and reliability of your motorcycle. The kit features an aluminum cylinder with a durable motor-nicksil coating, developed by Athena for superior smoothness and wear resistance. This coating is essential for optimal engine function and longevity.\n\nExperience a noticeable increase in power across the entire RPM range without compromising the reliability of your original components. Athena's commitment to quality is evident in the precision CNC machining, ensuring tolerances of a hundredth of a millimeter during production.\n\nThe comprehensive kit includes:\n\n\t\n- A complete piston assembly with piston pin and rings.\n\t\n- All necessary gaskets for a perfect seal.\n\t\n- An aluminum cylinder with an increased bore (83mm).\n\t\n- An enhanced CDI unit, specifically designed by GET technicians to maximize engine performance.\n\nAll parts within this kit are built to withstand extreme temperatures, pressures, and stresses, validated through rigorous bench and road testing by Athena technicians. Importantly, this cylinder kit can be installed without requiring any modifications to the engine crankcase.\n\n**Technical Specifications:**\n\n\t\n- Bore Diameter: 83.00 mm\n\t\n- Compression Ratio: 12.7:1\n\t\n- Displacement: 290 cc\n\t\n- Net Weight: 2.09 Kg\n\n**Please Note:** All Athena products must be used in compliance with applicable national regulations. Athena is not responsible for any improper use.","weightGrams":null,"fitments":[{"make":"YAMAHA","model":"WR R 250","cc":null,"notes":null,"years":"2008–2017"},{"make":"YAMAHA","model":"WR X 250","cc":null,"notes":null,"years":"2008–2017"}],"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-83mm-08-13-yamaha-wr-250-athena-p400485100036-290cc-big-bore-p","buyOneNow":"https://www.2brosparts.com/api/agent/checkout/GB/c4424055b9a3:1","basketWithThis":"https://www.2brosparts.com/api/agent/basket/GB/c4424055b9a3:1"}},"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."]}}