{"about":"Prices are for United Kingdom in GBP. Every URL here is a plain path you can fetch directly.","product":{"basketKey":"730044963861","name":"PISTON KIT 76-82 YZ125 56.50, FORGED WOSSNER 8115D050","sku":"56-W435+050.WO","brand":"Wossner","mpn":null,"gtin":null,"condition":"new","inStock":true,"stock":1,"price":{"amount":112.58,"formatted":"£112.58"},"summary":"Wossner forged piston kit. Bore Size: 56.50 mm, Actual Bore: 56.44 mm, Stroke: 56.50 mm, Clearance: 0.06 mm, Compression Height: 25.40 mm, Dome Volume: +6.40 cm&sup3;, Compression Ratio: 10.50:1 (OEM), Displacement: 123 cm&sup3;. Features forged construction for enhanced durability and strength, optimized heat transfer for improved performance, and an elliptical design for uniform bearing surface and reduced wear. Designed for 2-stroke engines. Made in Germany. Wossner Part No.: 8115D050. Lock P/N: CW16. Pin P/N: WP036. Ring Set P/N: RSB5650.","attributes":[{"label":"General Product Group","value":"Engine"},{"label":"General Product Type","value":"Pistons & Kits"},{"label":"General Size","value":"56.6mm"},{"label":"Variant Id","value":"255586"}],"image":"https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/56-W435_2B050_2EWO/68e11bbf8ea99cb6.jpg","images":["https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/56-W435_2B050_2EWO/68e11bbf8ea99cb6.jpg","https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/56-W435_2B050_2EWO/cdd109781770ea63.jpg","https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/56-W435_2B050_2EWO/4ffd777c0f57bad6.jpg","https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/56-W435_2B050_2EWO/53f2303690299278.jpg"],"description":"Wossner forged piston kit. Bore Size: 56.50 mm, Actual Bore: 56.44 mm, Stroke: 56.50 mm, Clearance: 0.06 mm, Compression Height: 25.40 mm, Dome Volume: +6.40 cm&sup3;, Compression Ratio: 10.50:1 (OEM), Displacement: 123 cm&sup3;. Features forged construction for enhanced durability and strength, optimized heat transfer for improved performance, and an elliptical design for uniform bearing surface and reduced wear. Designed for 2-stroke engines. Made in Germany. Wossner Part No.: 8115D050. Lock P/N: CW16. Pin P/N: WP036. Ring Set P/N: RSB5650.","descriptionMarkdown":"### Wossner Forged Piston Kit for Yamaha YZ125 (1976-1982)\n\nUpgrade your Yamaha YZ125's performance and durability with this premium forged piston kit from Wossner. Manufactured in Germany, this high-quality piston is engineered for superior strength and efficient heat transfer, crucial for demanding 2-stroke applications. Its advanced elliptical design ensures even load distribution across the bearing surface, minimizing localized pressure points and preventing premature wear or piston collapse.\n\n#### Key Features:\n\n\t\n- Forged Construction: Provides exceptional strength and resistance to extreme operating conditions.\n\t\n- Optimized Heat Transfer: Enhances engine cooling for sustained performance.\n\t\n- Elliptical Design: Promotes a uniform bearing surface, reducing wear and extending piston life.\n\t\n- 2-Stroke Engine Specific: Designed to meet the unique demands of 2-stroke powerplants.\n\t\n- Made in Germany: Guarantees precision engineering and high manufacturing standards.\n\n#### Specifications:\n\n\t\n- Bore Size: 56.50 mm\n\t\n- Actual Bore: 56.44 mm\n\t\n- Stroke: 56.50 mm\n\t\n- Clearance: 0.06 mm\n\t\n- Compression Height: 25.40 mm\n\t\n- Dome Volume: +6.40 cm&sup3;\n\t\n- Compression Ratio: 10.50:1 (OEM)\n\t\n- Displacement: 123 cm&sup3;\n\n#### Cross-Reference Part Numbers:\n\n\t\n- Wossner Part No.: 8115D050\n\t\n- Lock P/N: CW16\n\t\n- Pin P/N: WP036\n\t\n- Ring Set P/N: RSB5650","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-76-82-yz125-5650-forged-wossner-8115d050","buyOneNow":"https://www.2brosparts.com/api/agent/checkout/GB/730044963861:1","basketWithThis":"https://www.2brosparts.com/api/agent/basket/GB/730044963861:1"}},"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. Checkout links only work for shoppers in the UK: for anywhere else, give them the product pages.","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."]}}