{"about":"Prices are for United Kingdom in GBP. Every URL here is a plain path you can fetch directly.","product":{"basketKey":"a8fa10a7675c","name":"GASKET FULL SET 99-08 YZ250, K&S 71-4005 YAMAHA","sku":"28-0063.KS","brand":"K&S Technologies","mpn":null,"gtin":null,"condition":"new","inStock":true,"stock":7,"price":{"amount":86.05,"formatted":"£86.05"},"summary":"The K&S Technologies complete gasket kit is a 25-piece engine gasket set designed for top-end and bottom-end rebuilds. It includes the necessary gaskets, O-rings, and washers for engine assembly. Gasket materials are sourced from Japan and the United States. Specific components include cylinder head O-rings (7 mm and 102 mm), valve O-ring (15 x 1.6 mm), crankcase oil plug O-ring (19 mm), kick starter O-rings (19 x 1.9 mm for 1999-2001 models and 17 x 2.2 mm for 2002-2008 models), and a bolt gasket for the clutch (5 x 10 x 1 mm). This kit serves as a direct OEM replacement.","attributes":[{"label":"General Product Group","value":"Engine"},{"label":"General Product Type","value":"Gasket - Full Set"},{"label":"Variant Id","value":"229751"}],"image":"https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/28-0063_2EKS/8dd75b09b3f3122c.jpg","images":["https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/28-0063_2EKS/8dd75b09b3f3122c.jpg"],"description":"The K&S Technologies complete gasket kit is a 25-piece engine gasket set designed for top-end and bottom-end rebuilds. It includes the necessary gaskets, O-rings, and washers for engine assembly. Gasket materials are sourced from Japan and the United States. Specific components include cylinder head O-rings (7 mm and 102 mm), valve O-ring (15 x 1.6 mm), crankcase oil plug O-ring (19 mm), kick starter O-rings (19 x 1.9 mm for 1999-2001 models and 17 x 2.2 mm for 2002-2008 models), and a bolt gasket for the clutch (5 x 10 x 1 mm). This kit serves as a direct OEM replacement.","descriptionMarkdown":"### K&S Technologies Complete Gasket Set for Yamaha YZ250 (1999-2008)\n\nRestore your Yamaha YZ250's engine to peak performance with this comprehensive 25-piece gasket set from K&S Technologies. Designed as a direct OEM replacement, this kit provides all the necessary gaskets, O-rings, and washers for a complete top-end and bottom-end engine rebuild. Ensure a proper seal and reliable operation with high-quality components sourced from Japan and the United States.\n\n**Key Features:**\n\n \n- Ideal for full engine rebuilds, covering both top and bottom end components.\n \n- Direct OEM replacement ensures a precise fit and performance.\n \n- Includes all required gaskets, O-rings, and washers for engine assembly.\n \n- Durable gasket materials are sourced from Japan and the United States.\n\n**Specifications:**\n\n \n- Number of Pieces: 25\n \n- Cylinder Head O-ring Dimensions: 7 mm and 102 mm\n \n- Valve O-ring Dimensions: 15 x 1.6 mm\n \n- Crankcase Oil Plug O-ring Diameter: 19 mm\n \n- Kick Starter O-ring (1999-2001): 19 x 1.9 mm\n \n- Kick Starter O-ring (2002-2008): 17 x 2.2 mm\n \n- Bolt Gasket for Clutch Dimensions: 5 x 10 x 1 mm\n\n**Kit Contents:**\n\n \n- A complete set of gaskets, O-rings, and washers for one engine.\n\n**Cross-Reference Part Numbers:**\n\n \n- \n \n- 71-4005","weightGrams":null,"fitments":[{"make":"YAMAHA","model":"YZ 250","cc":null,"notes":null,"years":"1999–2021"},{"make":"YAMAHA","model":"YZ 250X","cc":null,"notes":null,"years":"2016–2021"},{"make":"YAMAHA","model":"YZ 2T 250","cc":null,"notes":null,"years":"1999–2020"}],"collections":[{"name":"Engine","url":"https://www.2brosparts.com/api/agent/collection/GB/engine"},{"name":"Gasket - Full Set","url":"https://www.2brosparts.com/api/agent/collection/GB/gasket-full-set"}],"links":{"page":"https://www.2brosparts.com/products/gasket-full-set-99-08-yz250-ks-71-4005-yamaha","buyOneNow":"https://www.2brosparts.com/api/agent/checkout/GB/a8fa10a7675c:1","basketWithThis":"https://www.2brosparts.com/api/agent/basket/GB/a8fa10a7675c: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."]}}