{"about":"Prices are for United Kingdom in GBP. Every URL here is a plain path you can fetch directly.","product":{"basketKey":"29243d145ca7","name":"PISTON KIT 94-96 YZ125 54.00 A, WOSSNER 8116DA YAMAHA MX 4JY-11631-02-A0","sku":"56-W647+00A.WO","brand":"Wossner","mpn":null,"gtin":null,"condition":"new","inStock":true,"stock":1,"price":{"amount":115.06,"formatted":"£115.06"},"summary":"Wossner 8116DA forged piston kit, standard size, 54.00mm bore. Manufactured in Germany, this piston features an elliptical design for even bearing surface under thermal expansion, minimizing stress and preventing failure. Specifications include: Bore 54.00 mm, Actual Piston Diameter 53.94 mm, Stroke 54.50 mm, Displacement 124 cm&sup3;, Clearance 0.06 mm, Compression Height 28.00 mm. Cross-reference OEM Part Numbers: Wossner Piston 8116DA, Lock CW16, Pin WP036, Ring Set RSB5400, Rod P2047, Internal Part No 56-W647+00A.WO, OEM 4JY-11631-02-A0, Alternate Part Number 647M05400.","attributes":[{"label":"General Product Group","value":"Engine"},{"label":"General Product Type","value":"Pistons & Kits"},{"label":"General Size","value":"54.00 mm"},{"label":"Variant Id","value":"257311"}],"image":"https://www.oro2u.com/media/catalog/product/s/t/stock56257_1.jpg","images":["https://www.oro2u.com/media/catalog/product/s/t/stock56257_1.jpg","https://www.oro2u.com/media/catalog/product/s/t/stock56257_2.jpg","https://www.oro2u.com/media/catalog/product/s/t/stock56257_3.jpg","https://www.oro2u.com/media/catalog/product/s/t/stock56257_4.jpg"],"description":"Wossner 8116DA forged piston kit, standard size, 54.00mm bore. Manufactured in Germany, this piston features an elliptical design for even bearing surface under thermal expansion, minimizing stress and preventing failure. Specifications include: Bore 54.00 mm, Actual Piston Diameter 53.94 mm, Stroke 54.50 mm, Displacement 124 cm&sup3;, Clearance 0.06 mm, Compression Height 28.00 mm. Cross-reference OEM Part Numbers: Wossner Piston 8116DA, Lock CW16, Pin WP036, Ring Set RSB5400, Rod P2047, Internal Part No 56-W647+00A.WO, OEM 4JY-11631-02-A0, Alternate Part Number 647M05400.","descriptionMarkdown":"### Wossner Piston Kit 8116DA for Yamaha YZ125\n\n This Wossner Piston Kit, part number 8116DA, is a high-quality, standard-size forged piston designed to enhance the performance and reliability of your Yamaha YZ125. Manufactured with precision in Germany, this piston offers superior strength and efficient heat dissipation for demanding riding conditions.\n\n#### Key Features:\n\n \n- Forged Construction: Engineered for maximum strength and durability under high stress.\n \n- Elliptical Design: Promotes even bearing surface during thermal expansion, reducing localized stress and potential failure.\n \n- Optimal Heat Transfer: Facilitates efficient heat dissipation from the combustion chamber to the cylinder walls.\n \n- German Engineering: Precision-manufactured for exceptional quality and performance.\n\n#### Specifications:\n\n \n- Bore: 54.00 mm\n \n- Actual Piston Diameter: 53.94 mm\n \n- Stroke: 54.50 mm\n \n- Displacement: 124 cm&sup3;\n \n- Clearance: 0.06 mm\n \n- Compression Height: 28.00 mm\n \n- Compression Ratio: 2-stroke\n\n#### Cross-Reference Information:\n\n \n- Wossner Piston: 8116DA\n \n- Lock: CW16\n \n- Pin: WP036\n \n- Ring Set: RSB5400\n \n- Rod: P2047\n \n- OEM Part Number: 4JY-11631-02-A0\n \n- Alternate Part Number: 647M05400","weightGrams":null,"fitments":[],"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-94-96-yz125-5400-a-wossner-8116da-yamaha-mx-4jy-11631-02-a0","buyOneNow":"https://www.2brosparts.com/api/agent/checkout/GB/29243d145ca7:1","basketWithThis":"https://www.2brosparts.com/api/agent/basket/GB/29243d145ca7:1"}},"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."]}}