{"about":"Prices are for United Kingdom in GBP. Every URL here is a plain path you can fetch directly.","product":{"basketKey":"4b44466532d7","name":"PISTON KIT 05-18 YZ125 54.00 C, NAMURA NX-40009-C YAMAHA","sku":"56-W845.C.NT","brand":"Namura Technologies","mpn":null,"gtin":null,"condition":"new","inStock":true,"stock":4,"price":{"amount":56.18,"formatted":"£56.18"},"summary":"Namura Piston Kit C for Yamaha YZ125. This high-performance piston assembly features a 54mm bore and part number NX-40009. Engineered in the USA and manufactured in Taiwan, it is constructed from high-silicon content hypereutectic cast aluminum for reduced heat expansion, tighter clearances, increased hardness, and longer life. The piston crowns are machined for reduced carbon buildup, increased horsepower, and fuel economy. Some pistons feature hard anodized crowns for 75% greater strength, minimal expansion, and reduced cold seizures. MOS2 Teflon/Molybdenum coated skirts reduce friction and heat for added power and longevity. Namura rings match OEM design. This is a fractional oversize piston (-C .0008 in.). Cross reference numbers include 1C3-11631-03-D0, 1C3-11631-03-C0, 1C3-11631-03-A0, 1C3-11631-03-B0, 5NY-11611-00-00, 1C3-11633-00-00, 93450-16068-00, Wossner 8160DA, and NX-40009. Part No. 56-W845.C.NT.","attributes":[{"label":"General Product Group","value":"Engine"},{"label":"General Product Type","value":"Pistons & Kits"},{"label":"General Size","value":"54.00mm"},{"label":"Variant Id","value":"258019"}],"image":"https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/56-W845_2EC_2ENT/e45e901f488892dc.jpg","images":["https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/56-W845_2EC_2ENT/e45e901f488892dc.jpg"],"description":"Namura Piston Kit C for Yamaha YZ125. This high-performance piston assembly features a 54mm bore and part number NX-40009. Engineered in the USA and manufactured in Taiwan, it is constructed from high-silicon content hypereutectic cast aluminum for reduced heat expansion, tighter clearances, increased hardness, and longer life. The piston crowns are machined for reduced carbon buildup, increased horsepower, and fuel economy. Some pistons feature hard anodized crowns for 75% greater strength, minimal expansion, and reduced cold seizures. MOS2 Teflon/Molybdenum coated skirts reduce friction and heat for added power and longevity. Namura rings match OEM design. This is a fractional oversize piston (-C .0008 in.). Cross reference numbers include 1C3-11631-03-D0, 1C3-11631-03-C0, 1C3-11631-03-A0, 1C3-11631-03-B0, 5NY-11611-00-00, 1C3-11633-00-00, 93450-16068-00, Wossner 8160DA, and NX-40009. Part No. 56-W845.C.NT.","descriptionMarkdown":"### Namura Piston Kit - 54mm Bore\n\nEnhance your motorcycle's performance and longevity with this high-performance Namura Piston Kit. Engineered in the USA and manufactured in Taiwan, these pistons are designed to meet and exceed original equipment standards.\n\n#### Key Features:\n\n \n- Material: Constructed from high-silicon content hypereutectic cast aluminum for reduced heat expansion, tighter clearances, increased hardness, and longer life.\n \n- Surface Finish: Features machined, smooth piston crowns designed to reduce carbon buildup, contributing to increased horsepower and fuel economy.\n \n- Hard Anodized Crowns: Provide 75% greater strength than non-anodized crowns, minimizing expansion and reducing the risk of cold seizures.\n \n- MOS2 (Teflon/Molybdenum) Coated Skirts: Offer superior friction reduction and heat management, leading to added power and extended durability.\n \n- Ring Design: Namura rings match OEM design specifications for optimal performance.\n \n- Bore Size: 54.00mm.\n \n- Oversize Options: Fractional oversize pistons are available for certain applications, allowing for extended engine life.","weightGrams":null,"fitments":[{"make":"FANTIC","model":"XE 125","cc":null,"notes":null,"years":"2021–2022"},{"make":"FANTIC","model":"XX 125","cc":null,"notes":null,"years":"2021"},{"make":"YAMAHA","model":"YZ 125","cc":null,"notes":null,"years":"2004–2021"},{"make":"YAMAHA","model":"YZ 125X","cc":null,"notes":null,"years":"2020–2022"}],"collections":[{"name":"Engine","url":"https://www.2brosparts.com/api/agent/collection/GB/engine"},{"name":"Pistons & Kits","url":"https://www.2brosparts.com/api/agent/collection/GB/pistons-kits"}],"links":{"page":"https://www.2brosparts.com/products/piston-kit-05-18-yz125-5400-c-namura-nx-40009-c-yamaha","buyOneNow":"https://www.2brosparts.com/api/agent/checkout/GB/4b44466532d7:1","basketWithThis":"https://www.2brosparts.com/api/agent/basket/GB/4b44466532d7:1"}},"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. 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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."]}}