{"about":"Prices are for United Kingdom in GBP. Every URL here is a plain path you can fetch directly.","product":{"basketKey":"93f42d778def","name":"PISTON KIT 97mm B FORGED 2010-2013 YAMAHA YZF450 NAMURA FX-40046-B","sku":"56-W261.B.NT.F","brand":"Namura Technologies","mpn":null,"gtin":null,"condition":"new","inStock":true,"stock":10,"price":{"amount":147.52,"formatted":"£147.52"},"summary":"Forged piston kit in B size engineered to the OEM 12.5:1 compression ratio, featuring a 96.96 mm forged piston for a nominal 97.00 mm bore. Supplied complete with piston, ring set, wrist pin and circlips, it provides a direct replacement solution for the fuel-injected 449 cm³ engine. Forged aluminium construction for strength and durability. Hard-anodised crown to improve heat resistance and reduce carbon build-up. MOS2 (molybdenum disulphide) skirt coating to reduce friction and assist running-in. 100% CNC-machined piston dome for precise combustion shape. Supplied with piston, rings, wrist pin and circlips. Piston size: 96.96 mm (B size, +0.01 mm). Nominal bore: 97.00 mm. Compression ratio: 12.5:1. Configuration: 4-stroke single-cylinder. Piston ring set: NX-40046R. Approximate kit weight: 0.599 kg. Cross-Reference OEM Part Numbers: 33D-116A0-00-00, 33D-11631-00-00, 33D-11603-00-00, 33D-11633-00-00, 93450-19052-00. Manufacturer: Namura Technologies.","attributes":[{"label":"General Product Group","value":"Engine"},{"label":"General Product Type","value":"Pistons & Kits"},{"label":"General Size","value":"97mm"},{"label":"Variant Id","value":"281076"}],"image":"https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/56-W261_2EB_2ENT_2EF/591966558d8c84b2.jpg","images":["https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/56-W261_2EB_2ENT_2EF/591966558d8c84b2.jpg"],"description":"Forged piston kit in B size engineered to the OEM 12.5:1 compression ratio, featuring a 96.96 mm forged piston for a nominal 97.00 mm bore. Supplied complete with piston, ring set, wrist pin and circlips, it provides a direct replacement solution for the fuel-injected 449 cm³ engine. Forged aluminium construction for strength and durability. Hard-anodised crown to improve heat resistance and reduce carbon build-up. MOS2 (molybdenum disulphide) skirt coating to reduce friction and assist running-in. 100% CNC-machined piston dome for precise combustion shape. Supplied with piston, rings, wrist pin and circlips. Piston size: 96.96 mm (B size, +0.01 mm). Nominal bore: 97.00 mm. Compression ratio: 12.5:1. Configuration: 4-stroke single-cylinder. Piston ring set: NX-40046R. Approximate kit weight: 0.599 kg. Cross-Reference OEM Part Numbers: 33D-116A0-00-00, 33D-11631-00-00, 33D-11603-00-00, 33D-11633-00-00, 93450-19052-00. Manufacturer: Namura Technologies.","descriptionMarkdown":"This is a Namura forged piston kit, designed as a direct replacement for the fuel-injected 449cc engine. It is engineered to the original equipment manufacturer's 12.5:1 compression ratio and features a forged piston with a nominal bore size.\n\n### Key Features\n\n\t\n- Forged aluminium construction offers enhanced strength and durability for demanding applications.\n\t\n- The hard-anodised piston crown is designed to improve heat resistance and minimize carbon build-up, contributing to engine longevity.\n\t\n- Features a MOS2 (molybdenum disulphide) skirt coating, which reduces friction and assists in the running-in process for smoother initial operation.\n\t\n- Each piston dome is 100% CNC-machined to ensure a precise combustion shape, optimizing performance.\n\t\n- This kit is supplied complete with the piston, a full set of piston rings, the necessary wrist pin, and circlips for a comprehensive replacement.\n\n### Specifications\n\n\t\n- Piston Size: 96.96 mm (B size, nominal +0.01 mm)\n\t\n- Nominal Bore: 97.00 mm\n\t\n- Compression Ratio: 12.5:1\n\t\n- Engine Configuration: 4-stroke single-cylinder\n\t\n- Piston Ring Set Reference: NX-40046R\n\t\n- Approximate Kit Weight: 0.599 kg","weightGrams":null,"fitments":[{"make":"YAMAHA","model":"YZ 450F","cc":null,"notes":null,"years":"2010–2013"},{"make":"YAMAHA","model":"YZF 450","cc":null,"notes":null,"years":"2010–2013"}],"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-97mm-b-forged-2010-2013-yamaha-yzf450-namura-fx-40046-b","buyOneNow":"https://www.2brosparts.com/api/agent/checkout/GB/93f42d778def:1","basketWithThis":"https://www.2brosparts.com/api/agent/basket/GB/93f42d778def: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."]}}