{"about":"Prices are for United Kingdom in GBP. Every URL here is a plain path you can fetch directly.","product":{"basketKey":"1bd6c005e6af","name":"PISTON KIT XR XL 250 75.00, WOSSNER 8791D10079-83","sku":"56-W4171+P4.WO","brand":"Wossner","mpn":null,"gtin":null,"condition":"new","inStock":true,"stock":1,"price":{"amount":182.86,"formatted":"£182.86"},"summary":"Wossner forged piston kit designed for Honda XL250S and XR250 models. Manufactured in Germany, this piston offers superior strength and heat transfer efficiency. The elliptical design ensures even load distribution, reducing localized pressure and preventing piston collapse. Features forged construction for enhanced durability and strength, optimized heat transfer for improved performance, and an elliptical design for a uniform bearing surface and reduced wear. Designed for 4-stroke engines. Specifications: Bore Size 75.00 mm, Actual Bore 74.94 mm, Stroke 57.80 mm, Clearance 0.06 mm, Compression Height 24.70 mm, Dome Volume +9.30 cm&sup3;, Compression Ratio 10.00:1 (OEM: 9.10:1), Displacement 249 cm&sup3;. Wossner Part No. 8791D100, Lock P/N CW19, Pin P/N WP028, Ring Set P/N 750XDS.","attributes":[{"label":"General Product Group","value":"Engine"},{"label":"General Product Type","value":"Pistons & Kits"},{"label":"General Size","value":"75mm"},{"label":"Variant Id","value":"255546"}],"image":"https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/56-W4171_2BP4_2EWO/b2d57613792c989b.jpg","images":["https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/56-W4171_2BP4_2EWO/b2d57613792c989b.jpg","https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/56-W4171_2BP4_2EWO/34cd13befabeff72.jpg","https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/56-W4171_2BP4_2EWO/e9345da1c636fa7d.jpg","https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/56-W4171_2BP4_2EWO/fba0640f9e8fa8b2.jpg"],"description":"Wossner forged piston kit designed for Honda XL250S and XR250 models. Manufactured in Germany, this piston offers superior strength and heat transfer efficiency. The elliptical design ensures even load distribution, reducing localized pressure and preventing piston collapse. Features forged construction for enhanced durability and strength, optimized heat transfer for improved performance, and an elliptical design for a uniform bearing surface and reduced wear. Designed for 4-stroke engines. Specifications: Bore Size 75.00 mm, Actual Bore 74.94 mm, Stroke 57.80 mm, Clearance 0.06 mm, Compression Height 24.70 mm, Dome Volume +9.30 cm&sup3;, Compression Ratio 10.00:1 (OEM: 9.10:1), Displacement 249 cm&sup3;. Wossner Part No. 8791D100, Lock P/N CW19, Pin P/N WP028, Ring Set P/N 750XDS.","descriptionMarkdown":"### Wossner Forged Piston Kit - 75.00mm Bore\n\nEnhance the performance and durability of your motorcycle with this Wossner forged piston kit. Manufactured in Germany, this high-quality piston is engineered for superior strength and efficient heat transfer, crucial for demanding 4-stroke engines. Its innovative elliptical design ensures even load distribution across the bearing surface, effectively reducing localized pressure and preventing premature wear or piston collapse. This results in a more reliable and powerful engine.\n\n### Key Features:\n\n \n- Forged Construction: Provides exceptional strength and durability over cast pistons.\n \n- Optimized Heat Transfer: Promotes efficient cooling and improved engine performance.\n \n- Elliptical Design: Ensures uniform bearing surface and reduces wear for extended piston life.\n \n- Designed for 4-Stroke Engines: Specifically engineered for optimal performance in 4-stroke applications.\n \n- Made in Germany: Guarantees precision engineering and high manufacturing standards.\n\n### Specifications:\n\n \n- Bore Size: 75.00 mm\n \n- Actual Bore: 74.94 mm\n \n- Stroke: 57.80 mm\n \n- Clearance: 0.06 mm\n \n- Compression Height: 24.70 mm\n \n- Dome Volume: +9.30 cm&sup3;\n \n- Compression Ratio: 10.00:1 (Compared to OEM 9.10:1)\n \n- Displacement: 249 cm&sup3;","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-xr-xl-250-7500-wossner-8791d10079-83","buyOneNow":"https://www.2brosparts.com/api/agent/checkout/GB/1bd6c005e6af:1","basketWithThis":"https://www.2brosparts.com/api/agent/basket/GB/1bd6c005e6af: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."]}}