{"about":"Prices are for United Kingdom in GBP. Every URL here is a plain path you can fetch directly.","product":{"basketKey":"d2fcd8dcdf78","name":"PISTON KIT 88-92 YZ80 50.00, WOSSNER 8187D200 YAMAHA MX","sku":"56-W569+200.WO","brand":"Wossner","mpn":null,"gtin":null,"condition":"new","inStock":true,"stock":1,"price":{"amount":94.28,"formatted":"£94.28"},"summary":"Wossner 8187D200 piston kit for Yamaha YZ80 models 1988-1992. Features a 50.00 mm bore for +2.00 mm oversize applications. Forged construction manufactured in Germany for high strength and efficient heat dissipation. Elliptical design ensures even load distribution under thermal expansion, minimising localised stress and reducing the risk of piston collapse. Kit includes essential components for engine rebuild. Specifications: Bore Size 50.00 mm, Actual Bore Diameter 49.95 mm, Stroke 45.60 mm, Display Displacement 82 cm&sup3;, Clearance 0.05 mm, Compression Ratio 2-stroke, Compression Height 27.00 mm. Cross-reference part numbers: Piston Kit 8187D200, Lock CW12, Pin WP091, Ring Set RSB5000, Part No. 56-W569+200.WO.","attributes":[{"label":"General Product Group","value":"Engine"},{"label":"General Product Type","value":"Pistons & Kits"},{"label":"General Size","value":"50.0mm"},{"label":"Variant Id","value":"256912"}],"image":"https://www.oro2u.com/media/catalog/product/s/t/stock55858_1.jpg","images":["https://www.oro2u.com/media/catalog/product/s/t/stock55858_1.jpg","https://www.oro2u.com/media/catalog/product/s/t/stock55858_2.jpg","https://www.oro2u.com/media/catalog/product/s/t/stock55858_3.jpg","https://www.oro2u.com/media/catalog/product/s/t/stock55858_4.jpg"],"description":"Wossner 8187D200 piston kit for Yamaha YZ80 models 1988-1992. Features a 50.00 mm bore for +2.00 mm oversize applications. Forged construction manufactured in Germany for high strength and efficient heat dissipation. Elliptical design ensures even load distribution under thermal expansion, minimising localised stress and reducing the risk of piston collapse. Kit includes essential components for engine rebuild. Specifications: Bore Size 50.00 mm, Actual Bore Diameter 49.95 mm, Stroke 45.60 mm, Display Displacement 82 cm&sup3;, Clearance 0.05 mm, Compression Ratio 2-stroke, Compression Height 27.00 mm. Cross-reference part numbers: Piston Kit 8187D200, Lock CW12, Pin WP091, Ring Set RSB5000, Part No. 56-W569+200.WO.","descriptionMarkdown":"### Wossner Piston Kit 8187D200 for Yamaha YZ80\n\nEngineered for performance and durability, the Wossner 8187D200 piston kit is designed to enhance your Yamaha YZ80 motorcycle. This kit features a precisely machined 50.00 mm bore, suitable for +2.00 mm oversize applications, ensuring a perfect fit and optimal compression.\n\nCrafted in Germany, Wossner pistons utilize a forged construction, providing superior strength and resilience compared to cast alternatives. This advanced manufacturing process allows for excellent heat dissipation, crucial for maintaining engine integrity under demanding conditions. The unique elliptical profile of the piston is engineered to distribute thrust loads evenly across its surface as it expands with heat. This intelligent design minimizes localized stress points, significantly reducing the risk of piston failure and promoting longer engine life.\n\nThis comprehensive kit includes all the necessary components required for a complete engine rebuild, offering convenience and assurance of quality for your Yamaha YZ80.\n\n#### Key Features:\n\n\t\n- Forged piston construction for exceptional strength and thermal stability.\n\t\n- Optimized design for efficient heat transfer from the combustion chamber to the cylinder wall.\n\t\n- Elliptical piston profile ensures even distribution of thrust loads during thermal expansion.\n\t\n- Minimizes localized stress to help prevent premature piston failure.\n\t\n- Manufactured in Germany to stringent quality standards.\n\n#### Specifications:\n\n\t\n- Bore Size: 50.00 mm\n\t\n- Actual Bore Diameter: 49.95 mm\n\t\n- Stroke: 45.60 mm\n\t\n- Display Displacement: 82 cm&sup3;\n\t\n- Clearance: 0.05 mm\n\t\n- Compression Ratio: 2-stroke (Wossner and OEM)\n\t\n- Compression Height: 27.00 mm\n\n#### Kit Components:\n\n\t\n- Wossner Piston Kit: 8187D200\n\t\n- Lock Ring: CW12\n\t\n- Piston Pin: WP091\n\t\n- Ring Set: RSB5000","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-88-92-yz80-5000-wossner-8187d200-yamaha-mx","buyOneNow":"https://www.2brosparts.com/api/agent/checkout/GB/d2fcd8dcdf78:1","basketWithThis":"https://www.2brosparts.com/api/agent/basket/GB/d2fcd8dcdf78:1"}},"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."]}}