{"about":"Prices are for United Kingdom in GBP. Every URL here is a plain path you can fetch directly.","product":{"basketKey":"bf81f95b7875","name":"PISTON KIT 80-82 YZ IT465 85.0, WOSSNER 8265DA YAMAHA KIT","sku":"56-W551.A.WO","brand":"Wossner","mpn":null,"gtin":null,"condition":"new","inStock":true,"stock":1,"price":{"amount":195.02,"formatted":"£195.02"},"summary":"Wossner 85mm piston kit with a 465 cm&sup3; displacement and 82.00 mm stroke. Features include forged construction for enhanced durability, elliptical shape for uniform bearing surface under expansion, and efficient heat transfer from the combustion chamber to cylinder walls. Manufactured in Germany. Specifications: Bore Size 85mm (84.92mm), Stroke 82.00 mm, Clearance 0.08 mm, Compression Height 40.00 mm, Compression Ratio 2-stroke. Includes Piston Kit 8265DA, Lock CW18, Pin WP042, and 2x Ring Set RSC8500. Part No.: 56-W551.A.WO. Weight 544g.","attributes":[{"label":"General Product Group","value":"Engine"},{"label":"General Product Type","value":"Pistons & Kits"},{"label":"General Size","value":"85mm"},{"label":"Variant Id","value":"256752"}],"image":"https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/56-W551_2EA_2EWO/ce0aad92e669b5a3.jpg","images":["https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/56-W551_2EA_2EWO/ce0aad92e669b5a3.jpg","https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/56-W551_2EA_2EWO/b79081ebdbf5f893.jpg","https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/56-W551_2EA_2EWO/f312e38fcdeced0a.jpg","https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/56-W551_2EA_2EWO/abbddc5ad9587d96.jpg"],"description":"Wossner 85mm piston kit with a 465 cm&sup3; displacement and 82.00 mm stroke. Features include forged construction for enhanced durability, elliptical shape for uniform bearing surface under expansion, and efficient heat transfer from the combustion chamber to cylinder walls. Manufactured in Germany. Specifications: Bore Size 85mm (84.92mm), Stroke 82.00 mm, Clearance 0.08 mm, Compression Height 40.00 mm, Compression Ratio 2-stroke. Includes Piston Kit 8265DA, Lock CW18, Pin WP042, and 2x Ring Set RSC8500. Part No.: 56-W551.A.WO. Weight 544g.","descriptionMarkdown":"### Wossner 85mm Piston Kit for Yamaha YZ465 and IT465\n\nThis Wossner piston kit is meticulously engineered to enhance the performance and durability of your Yamaha YZ465 (1981-1982) and IT465 (1980-1981) motorcycles. Featuring a precise 85mm bore size (84.92mm actual), this kit is forged in Germany to meet the highest standards of quality and reliability.\n\nThe innovative elliptical design of the piston ensures even load distribution, even under extreme operating temperatures. This intelligent design minimizes localized stress and prevents piston collapse, leading to a longer lifespan and consistent performance.\n\n**Key Features:**\n\n \n- Forged Construction: Provides superior strength and durability for demanding riding conditions.\n \n- Elliptical Design: Guarantees a uniform bearing surface during thermal expansion, reducing wear and stress.\n \n- Efficient Heat Transfer: Engineered to optimize heat transfer from the combustion chamber to the cylinder walls, promoting stable engine temperatures.\n \n- German Engineering: Manufactured with precision and expertise in Germany, ensuring top-tier quality.\n\n**Specifications:**\n\n \n- Bore Size: 85mm (84.92mm)\n \n- Display: 465 cm&sup3;\n \n- Stroke: 82.00 mm\n \n- Clearance: 0.08 mm\n \n- Compression Height: 40.00 mm\n \n- Compression Ratio: 2-stroke (Compatible with Wossner and OEM specifications)\n\n**Included Components:**\n\n \n- Piston Kit (Part Number: 8265DA)\n \n- Lock Ring (CW18)\n \n- Piston Pin (WP042)\n \n- Ring Sets (RSC8500 x2)","weightGrams":null,"fitments":[{"make":"YAMAHA","model":"IT 465","cc":null,"notes":null,"years":"1981–1982"},{"make":"YAMAHA","model":"YZ 465","cc":null,"notes":null,"years":"1980–1981"}],"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-80-82-yz-it465-850-wossner-8265da-yamaha-kit","buyOneNow":"https://www.2brosparts.com/api/agent/checkout/GB/bf81f95b7875:1","basketWithThis":"https://www.2brosparts.com/api/agent/basket/GB/bf81f95b7875:1"}},"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."]}}