{"about":"Prices are for United Kingdom in GBP. Every URL here is a plain path you can fetch directly.","product":{"basketKey":"f4e083017818","name":"PISTON KIT 76-79 YZ250 71.50, FORGED WOSSNER 8179D150","sku":"56-W234+150.WO","brand":"Wossner","mpn":null,"gtin":null,"condition":"new","inStock":false,"stock":0,"price":{"amount":159.46,"formatted":"£159.46"},"summary":"Wossner forged piston kit with a 71.50mm bore and 71.44mm diameter. Manufactured in Germany, this piston offers superior strength and design, ensuring optimal heat transfer to cylinder walls. Its elliptical design provides a uniform bearing surface under heat expansion, reducing localized pressure and evenly distributing thrust loads to prevent piston collapse. Features include forged construction for superior strength, optimized heat transfer for efficient combustion, and an elliptical design for uniform load distribution. Specifications: Bore 71.50mm, Diameter 71.44mm, Display (cm³) 246, Stroke (mm) 64.00, Clearance (mm) 0.06, Compression Ratio 2-Stroke, Compression Height (mm) 33.00. Cross-reference OEM Part Numbers: Wossner Piston Yamaha YZ250 (PN# 8179D150), Lock P/N: CW18, Pin P/N: WP033, Ring Set P/N: RSB7150 x 2.","attributes":[{"label":"General Product Group","value":"Engine"},{"label":"General Product Type","value":"Pistons & Kits"},{"label":"General Size","value":"71.5mm"},{"label":"Variant Id","value":"255133"}],"image":"https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/56-W234_2B150_2EWO/de34d0160ba70498.jpg","images":["https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/56-W234_2B150_2EWO/de34d0160ba70498.jpg","https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/56-W234_2B150_2EWO/9e765beecc8f3f0f.jpg","https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/56-W234_2B150_2EWO/3146e314b4921a0c.jpg","https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/56-W234_2B150_2EWO/7207c60293c0256c.jpg"],"description":"Wossner forged piston kit with a 71.50mm bore and 71.44mm diameter. Manufactured in Germany, this piston offers superior strength and design, ensuring optimal heat transfer to cylinder walls. Its elliptical design provides a uniform bearing surface under heat expansion, reducing localized pressure and evenly distributing thrust loads to prevent piston collapse. Features include forged construction for superior strength, optimized heat transfer for efficient combustion, and an elliptical design for uniform load distribution. Specifications: Bore 71.50mm, Diameter 71.44mm, Display (cm³) 246, Stroke (mm) 64.00, Clearance (mm) 0.06, Compression Ratio 2-Stroke, Compression Height (mm) 33.00. Cross-reference OEM Part Numbers: Wossner Piston Yamaha YZ250 (PN# 8179D150), Lock P/N: CW18, Pin P/N: WP033, Ring Set P/N: RSB7150 x 2.","descriptionMarkdown":"### Wossner Forged Piston Kit - 71.50mm Bore\n\nUpgrade your motorcycle's performance with this high-quality Wossner forged piston kit. Engineered for superior strength and durability, this piston is manufactured in Germany to exacting standards, ensuring optimal performance and longevity.\n\nThe forged construction provides exceptional strength, making it ideal for demanding riding conditions. Wossner pistons are designed for optimized heat transfer to the cylinder walls, promoting efficient combustion and consistent power output. Its innovative elliptical design ensures a uniform bearing surface, even under extreme heat expansion. This design effectively reduces localized pressure and evenly distributes thrust loads, preventing piston collapse and ensuring smooth engine operation.\n\n**Key Features:**\n\n \n- Forged construction for maximum strength and durability.\n \n- Engineered for optimized heat transfer to cylinder walls.\n \n- Elliptical piston design for uniform load distribution under heat.\n \n- Reduces localized pressure and prevents piston collapse.\n \n- Manufactured in Germany for quality assurance.\n\n**Specifications:**\n\n \n- Bore: 71.50mm\n \n- Diameter: 71.44mm\n \n- Stroke: 64.00mm\n \n- Clearance: 0.06mm\n \n- Compression Height: 33.00mm\n \n- Engine Type: 2-Stroke\n\n**Included Components:**\n\n \n- Piston\n \n- Lock Piston Pin Clips (Part Number: CW18)\n \n- Piston Pin (Part Number: WP033)\n \n- Ring Set (Part Number: RSB7150) - Quantity: 2","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-76-79-yz250-7150-forged-wossner-8179d150","buyOneNow":null,"basketWithThis":null}},"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."]}}