{"about":"Prices are for United Kingdom in GBP. Every URL here is a plain path you can fetch directly.","product":{"basketKey":"df8499dba2cd","name":"CYLINDER FULL KIT STD 66.40mm YAMAHA YZ 2T 250 1999 - 2025 CYLINDER WORKS 20009-K02","sku":"56-K156.664.CKCW2","brand":"Cylinder Works","mpn":null,"gtin":null,"condition":"new","inStock":true,"stock":1,"price":{"amount":856.15,"formatted":"£856.15"},"summary":"Cylinder Works Standard Bore Cylinder Kit for YZ 250 models. This kit features a 66.4mm bore diameter and 250cc displacement. Includes cylinder, cylinder head, piston kit (Vertex Piston #22584), top end gasket kit, wrist pin bearing, and power valve kit. Designed for 2-cycle engines with a standard compression ratio.","attributes":[{"label":"Variant Id","value":"344095"}],"image":"https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/56-K156_2E664_2ECKCW2/52e9a3f141bc75a4.jpg","images":["https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/56-K156_2E664_2ECKCW2/52e9a3f141bc75a4.jpg"],"description":"Cylinder Works Standard Bore Cylinder Kit for YZ 250 models. This kit features a 66.4mm bore diameter and 250cc displacement. Includes cylinder, cylinder head, piston kit (Vertex Piston #22584), top end gasket kit, wrist pin bearing, and power valve kit. Designed for 2-cycle engines with a standard compression ratio.","descriptionMarkdown":"### Cylinder Works Standard Bore Cylinder Kit\n\n**Cylinder Works Standard Bore Cylinder Kit** is engineered for exceptional durability and peak performance for your Yamaha YZ 2-stroke motorcycle. This comprehensive kit provides all necessary components for a straightforward installation, enhancing engine efficiency and power output. Designed as a direct replacement for standard specifications, it ensures a precise fit and reliable operation for your 250cc engine.\n\n### Key Features:\n\n \n- Precision Fitment: Engineered to meet factory specifications for optimal engine function.\n \n- Standard Bore Diameter: Features a 66.40mm bore for maintaining original engine characteristics.\n \n- High-Quality Piston: Includes a Vertex Piston (#22584) known for its reliability and performance.\n \n- Durable Construction: Built with robust materials to withstand the rigors of a 2-cycle engine.\n \n- Standard Compression Ratio: Maintains the factory standard compression ratio for consistent power delivery.\n \n- Complete Top End Solution: Provides a full cylinder kit for a complete engine rebuild or upgrade.\n\n### Kit Contents:\n\n \n- Cylinder\n \n- Cylinder Head\n \n- Piston Kit\n \n- Top End Gasket Kit\n \n- Wrist Pin Bearing\n \n- Power Valve Kit\n\nThis Cylinder Works kit is the ideal choice for maintaining or enhancing your 250cc 2-stroke engine. Trust in Cylinder Works for premium quality components that deliver long-lasting performance and reliability.","weightGrams":null,"fitments":[{"make":"YAMAHA","model":"YZ 250","cc":null,"notes":null,"years":"2003–2021"},{"make":"YAMAHA","model":"YZ 2T 250","cc":null,"notes":null,"years":"2003–2019"}],"collections":[],"links":{"page":"https://www.2brosparts.com/products/cylinder-full-kit-std-6640mm-yamaha-yz-2t-250-1999-2025-cylinder-works-20009-k02","buyOneNow":"https://www.2brosparts.com/api/agent/checkout/GB/df8499dba2cd:1","basketWithThis":"https://www.2brosparts.com/api/agent/basket/GB/df8499dba2cd: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."]}}