{"about":"Prices are for United Kingdom in GBP. Every URL here is a plain path you can fetch directly.","product":{"basketKey":"ece8ed5f1fd7","name":"PISTON KIT 05-21 YZ125 54.00 C, WOSSNER 8160DC YAMAHA MX","sku":"56-W845.C.WO","brand":"Wossner","mpn":null,"gtin":null,"condition":"new","inStock":true,"stock":1,"price":{"amount":115.06,"formatted":"£115.06"},"summary":"Piston Kit 54.00MM Bore 53.97 Wossner 8160DC (+0.02). Wossner forged pistons are superior in strength and design. Engineered to provide the best possible path for combustion chamber heat transfer to cylinder walls. Elliptically designed to provide a more uniform bearing surface under piston heat expansion, eliminating localized pressure and distributing thrust loads more evenly, thereby preventing piston collapse. Made in Germany. Part No. 56-W845.C.WO Lock P/N CW15 Pin P/N WP032 Ring Set P/N RSB5400 Rod P/N P2018 Display (cm3) 125 Hub stroke (mm) 54.50 Clearance (mm) 0.05 Wossner compression Ratio: 2 stroke OEM Compression ratio: 2 stroke Dome volume (cm3) Compression height (mm) 28.00 Theorectical weight (G) 182. Cross reference numbers ONLY. 1C3-11631-03-D0, 09104853, 845M05400 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","attributes":[{"label":"General Product Group","value":"Engine"},{"label":"General Product Type","value":"Pistons & Kits"},{"label":"General Size","value":"54.00mm"},{"label":"Variant Id","value":"258021"}],"image":"https://www.oro2u.com/media/catalog/product/5/6/56-w845-b-wo.jpg","images":["https://www.oro2u.com/media/catalog/product/5/6/56-w845-b-wo.jpg","https://www.oro2u.com/media/catalog/product/s/t/stock56967_2.jpg","https://www.oro2u.com/media/catalog/product/s/t/stock56967_3.jpg","https://www.oro2u.com/media/catalog/product/s/t/stock56967_4.jpg"],"description":"Piston Kit 54.00MM Bore 53.97 Wossner 8160DC (+0.02). Wossner forged pistons are superior in strength and design. Engineered to provide the best possible path for combustion chamber heat transfer to cylinder walls. Elliptically designed to provide a more uniform bearing surface under piston heat expansion, eliminating localized pressure and distributing thrust loads more evenly, thereby preventing piston collapse. Made in Germany. Part No. 56-W845.C.WO Lock P/N CW15 Pin P/N WP032 Ring Set P/N RSB5400 Rod P/N P2018 Display (cm3) 125 Hub stroke (mm) 54.50 Clearance (mm) 0.05 Wossner compression Ratio: 2 stroke OEM Compression ratio: 2 stroke Dome volume (cm3) Compression height (mm) 28.00 Theorectical weight (G) 182. Cross reference numbers ONLY. 1C3-11631-03-D0, 09104853, 845M05400 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","descriptionMarkdown":"### Wossner Forged Piston Kit 54.00MM Bore\n\nExperience superior strength and design with the Wossner forged piston kit. Engineered for optimal performance, this piston kit is crafted to provide the most efficient path for combustion chamber heat transfer to the cylinder walls. Its elliptical design ensures a uniform bearing surface even under extreme heat expansion, eliminating localized pressure and distributing thrust loads evenly to prevent piston collapse. Made in Germany, this high-quality piston kit is built to last.\n\n**Key Features:**\n\n \n- Wossner forged pistons offer enhanced strength and advanced design.\n \n- Optimizes combustion chamber heat transfer to cylinder walls.\n \n- Elliptical design for uniform bearing surface under heat expansion.\n \n- Distributes thrust loads evenly, preventing piston collapse.\n \n- Manufactured in Germany.\n \n- Bore Size: 54.00MM\n \n- Specified Clearance: 0.05mm\n \n- Compression Height: 28.00mm\n \n- Included Lock P/N: CW15\n \n- Included Pin P/N: WP032\n \n- Included Ring Set P/N: RSB5400\n\n**Cross Reference Numbers:**\n\n \n- 1C3-11631-03-D0\n \n- 09104853\n \n- 845M05400","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-05-21-yz125-5400-c-wossner-8160dc-yamaha-mx","buyOneNow":"https://www.2brosparts.com/api/agent/checkout/GB/ece8ed5f1fd7:1","basketWithThis":"https://www.2brosparts.com/api/agent/basket/GB/ece8ed5f1fd7:1"}},"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."]}}