{"about":"Prices are for United Kingdom in GBP. Every URL here is a plain path you can fetch directly.","product":{"basketKey":"9322aacd42d6","name":"PISTON KIT 97.00 2014-2019 YAMAHA YZF450 NAMURA FX-40049-B FORGED","sku":"56-W4963.B.NT.F","brand":"Namura Technologies","mpn":null,"gtin":null,"condition":"new","inStock":true,"stock":8,"price":{"amount":148.03,"formatted":"£148.03"},"summary":"Forged B size piston kit with 97.00 mm bore. Forged aluminium construction for high strength under thermal load. Hard-anodised crown to resist heat and reduce carbon build-up. MOS2 (molybdenum disulphide) skirt coating to lower friction and aid running-in. Precision CNC-machined crown for consistent combustion shape. Supplied complete with piston, rings, wrist pin and circlips. Bore size: 97.00 mm standard. Size grade: B. Typical piston diameter: approximately 96.96 mm. Piston type: Forged aluminium. Manufacturer reference: FX-40049-B. Kit quantity: One cylinder.","attributes":[{"label":"General Product Group","value":"Engine"},{"label":"General Product Type","value":"Pistons & Kits"},{"label":"General Size","value":"97mm"},{"label":"Variant Id","value":"281080"}],"image":"https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/56-W4963_2EB_2ENT_2EF/425f8e9c0ff3a5c4.jpg","images":["https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/56-W4963_2EB_2ENT_2EF/425f8e9c0ff3a5c4.jpg"],"description":"Forged B size piston kit with 97.00 mm bore. Forged aluminium construction for high strength under thermal load. Hard-anodised crown to resist heat and reduce carbon build-up. MOS2 (molybdenum disulphide) skirt coating to lower friction and aid running-in. Precision CNC-machined crown for consistent combustion shape. Supplied complete with piston, rings, wrist pin and circlips. Bore size: 97.00 mm standard. Size grade: B. Typical piston diameter: approximately 96.96 mm. Piston type: Forged aluminium. Manufacturer reference: FX-40049-B. Kit quantity: One cylinder.","descriptionMarkdown":"### Namura FX-40049-B Forged Piston Kit - 97.00mm Bore, Size B\n\nThis high-performance forged piston kit from Namura is engineered for the demanding conditions of modern four-stroke motocross. Designed as a direct replacement for a single cylinder, this kit ensures optimal performance and durability for your motorcycle's engine.\n\n**Key Features:**\n\n \n- Forged Aluminum Construction: Offers exceptional strength and resistance to thermal loads, providing reliability under high stress.\n \n- Hard-Anodized Crown: The specially treated crown withstands extreme heat and minimizes carbon buildup, contributing to consistent power delivery and engine longevity.\n \n- MOS2 Skirt Coating: A molybdenum disulfide coating on the piston skirt significantly reduces friction and aids in the crucial running-in process for smooth, efficient operation.\n \n- Precision CNC Machining: The piston crown is precisely machined to create an optimized combustion shape, enhancing engine efficiency and power output.\n \n- Complete Kit: This comprehensive kit includes everything needed for installation: the forged piston, a high-quality ring set, a robust wrist pin, and secure circlips.\n\n**Specifications:**\n\n \n- Bore Size: 97.00 mm (Standard)\n \n- Size Grade: B\n \n- Piston Type: Forged Aluminum\n \n- Kit Contents: One piston, one ring set, one wrist pin, and two circlips for one cylinder.\n \n- Manufacturer Part Number: FX-40049-B","weightGrams":null,"fitments":[{"make":"YAMAHA","model":"WR 450F","cc":null,"notes":null,"years":"2016–2019"},{"make":"YAMAHA","model":"WRF 450","cc":null,"notes":null,"years":"2016–2019"},{"make":"YAMAHA","model":"YZ 450F","cc":null,"notes":null,"years":"2014–2019"},{"make":"YAMAHA","model":"YZ 450FX","cc":null,"notes":null,"years":"2016–2019"},{"make":"YAMAHA","model":"YZF 450","cc":null,"notes":null,"years":"2014–2019"},{"make":"YAMAHA","model":"YZF X 450","cc":null,"notes":null,"years":"2016–2019"}],"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-9700-2014-2019-yamaha-yzf450-namura-fx-40049-b-forged","buyOneNow":"https://www.2brosparts.com/api/agent/checkout/GB/9322aacd42d6:1","basketWithThis":"https://www.2brosparts.com/api/agent/basket/GB/9322aacd42d6:1"}},"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."]}}