{"about":"Prices are for United Kingdom in GBP. Every URL here is a plain path you can fetch directly.","product":{"basketKey":"b434213639d7","name":"PISTON KIT 85-87 YZ80 49.00, WOSSNER 8186D100 YAMAHA MX","sku":"56-W520+100.WO","brand":"Wossner","mpn":null,"gtin":null,"condition":"new","inStock":true,"stock":1,"price":{"amount":96.04,"formatted":"£96.04"},"summary":"Wossner piston kit with forged construction for improved durability. Engineered for effective heat transfer from combustion chamber. Elliptical shape ensures even thrust load distribution. Manufactured in Germany. Bore size 49.00 mm, actual piston diameter 48.95 mm, display 82 cm&sup3;, stroke 45.60 mm, clearance 0.05 mm, compression height 26.80 mm. Wossner Piston Part Number 8186D100, Lock Part Number CW12, Pin Part Number WP091, Ring Set Part Number RSB4900, Alternate Part Number 56-W520+100.WO.","attributes":[{"label":"General Product Group","value":"Engine"},{"label":"General Product Type","value":"Pistons & Kits"},{"label":"General Size","value":"49mm"},{"label":"Variant Id","value":"256678"}],"image":"https://www.oro2u.com/media/catalog/product/s/t/stock55624_1.jpg","images":["https://www.oro2u.com/media/catalog/product/s/t/stock55624_1.jpg","https://www.oro2u.com/media/catalog/product/s/t/stock55624_2.jpg","https://www.oro2u.com/media/catalog/product/s/t/stock55624_3.jpg","https://www.oro2u.com/media/catalog/product/s/t/stock55624_4.jpg"],"description":"Wossner piston kit with forged construction for improved durability. Engineered for effective heat transfer from combustion chamber. Elliptical shape ensures even thrust load distribution. Manufactured in Germany. Bore size 49.00 mm, actual piston diameter 48.95 mm, display 82 cm&sup3;, stroke 45.60 mm, clearance 0.05 mm, compression height 26.80 mm. Wossner Piston Part Number 8186D100, Lock Part Number CW12, Pin Part Number WP091, Ring Set Part Number RSB4900, Alternate Part Number 56-W520+100.WO.","descriptionMarkdown":"### Wossner Forged Piston Kit for Yamaha YZ80\n\nThis Wossner piston kit is engineered for high performance and durability. Manufactured in Germany, the piston features a forged construction for superior strength and efficient heat dissipation. Its innovative elliptical design ensures uniform bearing surface under thermal expansion, minimizing localized pressure and preventing piston collapse for optimal engine operation.\n\n### Key Features\n\n \n- Forged construction for enhanced durability and strength.\n \n- Designed for effective heat transfer from the combustion chamber to the cylinder walls.\n \n- Elliptical piston shape promotes even thrust load distribution.\n \n- Precision manufactured in Germany.\n\n### Specifications\n\n \n- Bore size: 49.00 mm\n \n- Actual piston diameter: 48.95 mm\n \n- Displacement (cm³): 82\n \n- Stroke: 45.60 mm\n \n- Piston to cylinder clearance: 0.05 mm\n \n- Compression height: 26.80 mm\n \n- Wossner compression ratio: 2-stroke\n \n- OEM compression ratio: 2-stroke\n\n### Part Numbers\n\n \n- Wossner Piston Part Number: 8186D100\n \n- Lock Part Number: CW12\n \n- Pin Part Number: WP091\n \n- Ring Set Part Number: RSB4900","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-85-87-yz80-4900-wossner-8186d100-yamaha-mx","buyOneNow":"https://www.2brosparts.com/api/agent/checkout/GB/b434213639d7:1","basketWithThis":"https://www.2brosparts.com/api/agent/basket/GB/b434213639d7:1"}},"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."]}}