{"about":"Prices are for United Kingdom in GBP. Every URL here is a plain path you can fetch directly.","product":{"basketKey":"db0f01af87fd","name":"PISTON KIT 76-82 YZ125 58.00, FORGED WOSSNER 8115D200","sku":"56-W435+200.WO","brand":"Wossner","mpn":null,"gtin":null,"condition":"new","inStock":true,"stock":2,"price":{"amount":125.68,"formatted":"£125.68"},"summary":"Wossner forged piston kit for Yamaha YZ125 1976-1982. Manufactured in Germany. Features include forged construction for 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. Specifications: Bore Size 58.00 mm, Actual Bore 57.94 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;. Wossner Part No. 8115D200. Lock P/N CW16, Pin P/N WP036, Ring Set P/N RSB5800.","attributes":[{"label":"General Product Group","value":"Engine"},{"label":"General Product Type","value":"Pistons & Kits"},{"label":"General Size","value":"57.5mm"},{"label":"Variant Id","value":"255590"}],"image":"https://www.oro2u.com/media/catalog/product/s/t/stock54536_1.jpg","images":["https://www.oro2u.com/media/catalog/product/s/t/stock54536_1.jpg","https://www.oro2u.com/media/catalog/product/s/t/stock54536_2.jpg","https://www.oro2u.com/media/catalog/product/s/t/stock54536_3.jpg","https://www.oro2u.com/media/catalog/product/s/t/stock54536_4.jpg","https://www.oro2u.com/media/catalog/product/s/t/stock54536_5.jpg"],"description":"Wossner forged piston kit for Yamaha YZ125 1976-1982. Manufactured in Germany. Features include forged construction for 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. Specifications: Bore Size 58.00 mm, Actual Bore 57.94 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;. Wossner Part No. 8115D200. Lock P/N CW16, Pin P/N WP036, Ring Set P/N RSB5800.","descriptionMarkdown":"### Wossner Forged Piston Kit for Yamaha YZ125 (1976-1982)\n\nThis high-performance Wossner forged piston kit is engineered for Yamaha YZ125 motorcycles manufactured between 1976 and 1982. Crafted in Germany, this piston is built for exceptional durability and superior heat transfer efficiency, contributing to optimal engine performance.\n\n**Key Features:**\n\n\t\n- Forged Construction: Provides enhanced strength and longevity compared to cast pistons.\n\t\n- Optimized Heat Transfer: Improves thermal efficiency for better engine performance and reliability.\n\t\n- Elliptical Design: Ensures a uniform bearing surface, reducing localized pressure and wear, which helps prevent piston collapse.\n\t\n- Designed for 2-Stroke Engines: Specifically built to meet the demands of 2-stroke powerplants.\n\n**Specifications:**\n\n\t\n- Bore Size: 58.00 mm\n\t\n- Actual Bore: 57.94 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\t\n- Manufactured in Germany\n\n**Included Components:**\n\n\t\n- Wossner Part Number: 8115D200\n\t\n- Lock P/N: CW16\n\t\n- Pin P/N: WP036\n\t\n- Ring Set P/N: RSB5800","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-yz125-5800-forged-wossner-8115d200","buyOneNow":"https://www.2brosparts.com/api/agent/checkout/GB/db0f01af87fd:1","basketWithThis":"https://www.2brosparts.com/api/agent/basket/GB/db0f01af87fd: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."]}}