{"about":"Prices are for United Kingdom in GBP. Every URL here is a plain path you can fetch directly.","product":{"basketKey":"fa674d4a9ff2","name":"Yamaha YZ-F 250 2001-2013 80mm 269cc Big Bore Kit","sku":"CW.21002-K01","brand":"Cylinder Works","mpn":null,"gtin":null,"condition":"new","inStock":true,"stock":1,"price":{"amount":874.8,"formatted":"£874.80"},"summary":"Cylinder Works Big Bore Kit includes a stock appearing, nickel silicon carbide, precision honed big bore cylinder kit, all required gaskets, and a Vertex big bore piston complete with rings, pin, and circlips.","attributes":[],"image":"https://www.twsgb.co.uk/Graphics/Std_Product_Images/yamaha-yz-f-250-2001-2013-80mm-269cc-big-bore-kit-2211-p.jpg","images":["https://www.twsgb.co.uk/Graphics/Std_Product_Images/yamaha-yz-f-250-2001-2013-80mm-269cc-big-bore-kit-2211-p.jpg"],"description":"Cylinder Works Big Bore Kit includes a stock appearing, nickel silicon carbide, precision honed big bore cylinder kit, all required gaskets, and a Vertex big bore piston complete with rings, pin, and circlips.","descriptionMarkdown":"### Performance Upgrade: Cylinder Works Big Bore Kit\n\nTransform your engine performance with the Cylinder Works Big Bore Kit. Designed to provide a significant boost in displacement and power, this comprehensive kit allows you to upgrade your machine from stock specifications to a higher level of output. Engineered for reliability and increased torque, this kit is the ideal solution for riders looking to achieve a professional grade engine enhancement.\n\n### Key Features\n\n \n- Precision Engineering: Includes a high quality, nickel silicon carbide plated big bore cylinder that is precision honed for optimal piston-to-wall clearance.\n \n- Complete Upgrade Package: Each kit contains everything required for a successful installation, ensuring a seamless upgrade process.\n \n- Vertex Piston Included: Comes with a premium Vertex big bore piston, complete with precision-engineered rings, wrist pin, and circlips.\n \n- Reliable Sealing: Includes all necessary high-grade gaskets to ensure a secure, leak-free installation and optimal compression.\n \n- Stock Appearance: Designed to maintain the factory aesthetic while delivering substantial internal performance gains.\n\nBy replacing your standard top-end components with this performance big bore kit, you effectively increase your engine displacement to 269cc. This kit is manufactured to rigorous standards to ensure longevity and consistent performance under demanding riding conditions.","weightGrams":null,"fitments":[],"collections":[],"links":{"page":"https://www.2brosparts.com/products/yamaha-yz-f-250-2001-2013-80mm-269cc-big-bore-kit","buyOneNow":"https://www.2brosparts.com/api/agent/checkout/GB/fa674d4a9ff2:1","basketWithThis":"https://www.2brosparts.com/api/agent/basket/GB/fa674d4a9ff2:1"}},"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."]}}