{"about":"Prices are for United Kingdom in GBP. Every URL here is a plain path you can fetch directly.","product":{"basketKey":"b5cd128fcd3e","name":"PISTON KIT 86-04 XR250 73.50, FORGED WOSSNER 8793D050","sku":"56-W4466+050.WO","brand":"Wossner","mpn":null,"gtin":null,"condition":"new","inStock":true,"stock":1,"price":{"amount":172.51,"formatted":"£172.51"},"summary":"Wossner forged piston kit with an 86mm bore size, 73.50 mm (+0.50 mm oversize). 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 include forged construction for enhanced durability, optimized heat transfer for improved performance, and an elliptical design for uniform bearing surface and reduced wear. Designed for 4-stroke engines. Specifications: Actual Bore 73.44 mm, Stroke 59.50 mm, Clearance 0.06 mm, Compression Height 25.00 mm, Dome Volume +6.00 cm&sup3;, Compression Ratio 10.50:1, OEM Compression Ratio 9.30:1. Wossner Part No.: 8793D050.","attributes":[{"label":"General Product Group","value":"Engine"},{"label":"General Product Type","value":"Pistons & Kits"},{"label":"General Size","value":"73.5mm"},{"label":"Variant Id","value":"255652"}],"image":"https://www.oro2u.com/media/catalog/product/s/t/stock54598_1.jpg","images":["https://www.oro2u.com/media/catalog/product/s/t/stock54598_1.jpg","https://www.oro2u.com/media/catalog/product/s/t/stock54598_2.jpg","https://www.oro2u.com/media/catalog/product/s/t/stock54598_3.jpg","https://www.oro2u.com/media/catalog/product/s/t/stock54598_4.jpg"],"description":"Wossner forged piston kit with an 86mm bore size, 73.50 mm (+0.50 mm oversize). 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 include forged construction for enhanced durability, optimized heat transfer for improved performance, and an elliptical design for uniform bearing surface and reduced wear. Designed for 4-stroke engines. Specifications: Actual Bore 73.44 mm, Stroke 59.50 mm, Clearance 0.06 mm, Compression Height 25.00 mm, Dome Volume +6.00 cm&sup3;, Compression Ratio 10.50:1, OEM Compression Ratio 9.30:1. Wossner Part No.: 8793D050.","descriptionMarkdown":"### Wossner Forged Piston Kit 8793D050 for XR250\n\nEnhance the performance and durability of your motorcycle engine with the Wossner Forged Piston Kit. This high-quality piston is meticulously manufactured in Germany to exacting standards, providing superior strength and efficient heat transfer for optimal engine operation.\n\nThe innovative elliptical design of this piston ensures uniform load distribution across the bearing surface. This reduces localized pressure points, which in turn minimizes wear and prevents potential piston collapse under demanding conditions.\n\n#### Key Features:\n\n \n- Forged Construction: Offers exceptional durability and strength compared to cast pistons, designed to withstand higher performance demands.\n \n- Optimized Heat Transfer: Engineered for efficient heat dissipation, contributing to consistent engine performance and longevity.\n \n- Elliptical Design: Promotes a uniform bearing surface, leading to reduced wear and improved operational efficiency.\n \n- High-Performance Specifications: Built for 4-stroke engines, this piston kit is designed to elevate your engine's capabilities.\n\n#### Specifications:\n\n \n- Bore Size: 73.50 mm (+0.50 mm oversize)\n \n- Actual Bore: 73.44 mm\n \n- Stroke: 59.50 mm\n \n- Clearance: 0.06 mm\n \n- Compression Height: 25.00 mm\n \n- Dome Volume: +6.00 cm&sup3;\n \n- Compression Ratio: 10.50:1 (compared to OEM 9.30:1)\n \n- Manufacturing Origin: Made in Germany","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-86-04-xr250-7350-forged-wossner-8793d050","buyOneNow":"https://www.2brosparts.com/api/agent/checkout/GB/b5cd128fcd3e:1","basketWithThis":"https://www.2brosparts.com/api/agent/basket/GB/b5cd128fcd3e: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."]}}