{"about":"Prices are for United Kingdom in GBP. Every URL here is a plain path you can fetch directly.","product":{"basketKey":"4111b1e2bf23","name":"CYLINDER KIT 77mm YAMAHA 05-13 YZF 250 MX-09150-2K NAMURA PISTON","sku":"56-K103.77.KIT2","brand":"Dirt Racing","mpn":null,"gtin":null,"condition":"new","inStock":true,"stock":7,"price":{"amount":358.61,"formatted":"£358.61"},"summary":"Namura CYLINDER KIT 77mm MX-09150-2K. This kit includes a 77mm Psychic cylinder with a Nikasil plated sleeve, a Namura top end gasket set NX-40032T, and a Namura Hyperdryve piston kit NX-40033. The cylinder is cast from AB4C aluminum with Nikasil plated sleeves for superior wear capabilities and is designed to OEM specifications. Sleeve hardness is HV500-600 with a thickness of 0.08 +/- 0.02mm. The cylinder material is JIS AC4B-T6 Aluminum with a hardness of HR65up. Cross reference numbers are 5UL-11311-00-00 and 5XC-11311-20-00.","attributes":[{"label":"General Product Group","value":"Engine"},{"label":"General Product Type","value":"Cylinder Kits"},{"label":"General Size","value":"77mm"},{"label":"Variant Id","value":"252593"}],"image":"https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/56-K103_2E77_2EKIT2/41b956b214bc55ac.jpg","images":["https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/56-K103_2E77_2EKIT2/41b956b214bc55ac.jpg","https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/56-K103_2E77_2EKIT2/2496541e66b03155.jpg"],"description":"Namura CYLINDER KIT 77mm MX-09150-2K. This kit includes a 77mm Psychic cylinder with a Nikasil plated sleeve, a Namura top end gasket set NX-40032T, and a Namura Hyperdryve piston kit NX-40033. The cylinder is cast from AB4C aluminum with Nikasil plated sleeves for superior wear capabilities and is designed to OEM specifications. Sleeve hardness is HV500-600 with a thickness of 0.08 +/- 0.02mm. The cylinder material is JIS AC4B-T6 Aluminum with a hardness of HR65up. Cross reference numbers are 5UL-11311-00-00 and 5XC-11311-20-00.","descriptionMarkdown":"### Namura Cylinder Kit for Yamaha and Gas Gas Off-Road Motorcycles\n\nThis comprehensive Namura cylinder kit is designed to restore your motorcycle's engine to peak performance. Engineered to meet or exceed OEM specifications, this kit features a high-quality cylinder with a durable NIKASIL plated sleeve for exceptional wear resistance and longevity.\n\nThe cylinder is cast from AB4C aluminum, ensuring robust construction. The NIKASIL plating provides a hardness of HV500-600 and a thickness of 0.08 +/- 0.02mm, contributing to superior operational life. The cylinder material itself is JIS AC4B-T6 Aluminum with a hardness of HR65up, guaranteeing strength and reliability.\n\nThis kit includes all the necessary components for a complete cylinder rebuild:\n\n \n- Psychic Cylinder (77mm Bore): Part No. MX-09150-2K. This is a direct replacement part designed for drop-in installation with no modifications to the engine case required.\n \n- Top End Gasket Set: Part No. NX-40032T. High-quality gaskets to ensure a perfect seal.\n \n- Namura Hyperdryve Piston Kit (77mm): Part No. NX-40033. A precision-engineered piston designed for optimal power and efficiency.\n\nThis Namura cylinder kit is crafted to provide outstanding durability and performance for your off-road machine.","weightGrams":null,"fitments":[{"make":"GAS-GAS","model":"EC R 250","cc":null,"notes":null,"years":"2010–2015"},{"make":"YAMAHA","model":"WR 250F","cc":null,"notes":null,"years":"2001–2014"},{"make":"YAMAHA","model":"WRF 250","cc":null,"notes":null,"years":"2001–2013"},{"make":"YAMAHA","model":"YZ 250F","cc":null,"notes":null,"years":"2001–2013"},{"make":"YAMAHA","model":"YZF 250","cc":null,"notes":null,"years":"2001–2013"}],"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-kit-77mm-yamaha-05-13-yzf-250-mx-09150-2k-namura-piston","buyOneNow":"https://www.2brosparts.com/api/agent/checkout/GB/4111b1e2bf23:1","basketWithThis":"https://www.2brosparts.com/api/agent/basket/GB/4111b1e2bf23:1"}},"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."]}}