{"about":"Prices are for United Kingdom in GBP. Every URL here is a plain path you can fetch directly.","product":{"basketKey":"4759ae3dfdf1","name":"PISTON KIT 1981 YZ80 50.00mm, FORGED WOSSNER 8184D100","sku":"56-W465+100.WO","brand":"Wossner","mpn":null,"gtin":null,"condition":"new","inStock":true,"stock":2,"price":{"amount":94.28,"formatted":"£94.28"},"summary":"Wossner 50mm Bore Piston Kit 8184D100 is a high-performance forged piston designed for the 1981 Yamaha YZ80. Engineered for durability and efficient heat transfer, it features an elliptical design to ensure even load distribution, reducing localized pressure and preventing piston collapse. Manufactured in Germany, this piston is specifically designed for two-stroke engines. Features include high-strength forged piston construction, optimized heat transfer for improved combustion efficiency, elliptical design for even thrust load distribution, and is designed for two-stroke applications. Specifications include a bore size of 50mm, actual bore diameter of 49.95mm, compression ratio of two-stroke, OEM compression ratio of two-stroke, displacement of 79cc, stroke of 42.00mm, clearance of 0.05mm, and compression height of 24.20mm. Cross-reference OEM part numbers include Lock P/N: CW12, Pin P/N: WP091, and Ring Set P/N: RSB5000.","attributes":[{"label":"General Product Group","value":"Engine"},{"label":"General Product Type","value":"Pistons & Kits"},{"label":"General Size","value":"50mm"},{"label":"Variant Id","value":"255819"}],"image":"https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/56-W465_2B100_2EWO/8c77951488b4e27c.jpg","images":["https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/56-W465_2B100_2EWO/8c77951488b4e27c.jpg","https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/56-W465_2B100_2EWO/c0e3b23871228cfa.jpg","https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/56-W465_2B100_2EWO/4e77dc63a1b70614.jpg","https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/56-W465_2B100_2EWO/4f77bfaf201b40ca.jpg"],"description":"Wossner 50mm Bore Piston Kit 8184D100 is a high-performance forged piston designed for the 1981 Yamaha YZ80. Engineered for durability and efficient heat transfer, it features an elliptical design to ensure even load distribution, reducing localized pressure and preventing piston collapse. Manufactured in Germany, this piston is specifically designed for two-stroke engines. Features include high-strength forged piston construction, optimized heat transfer for improved combustion efficiency, elliptical design for even thrust load distribution, and is designed for two-stroke applications. Specifications include a bore size of 50mm, actual bore diameter of 49.95mm, compression ratio of two-stroke, OEM compression ratio of two-stroke, displacement of 79cc, stroke of 42.00mm, clearance of 0.05mm, and compression height of 24.20mm. Cross-reference OEM part numbers include Lock P/N: CW12, Pin P/N: WP091, and Ring Set P/N: RSB5000.","descriptionMarkdown":"### Wossner 50mm Forged Piston Kit\n\nEnhance your motorcycle's performance with the Wossner 50mm Bore Piston Kit. This high-performance forged piston is engineered for demanding two-stroke applications. Manufactured in Germany, it is built with precision to deliver superior durability and efficiency.\n\n**Key Features:**\n\n\t\n- High-Strength Forged Construction: Provides exceptional durability and resistance to extreme operating conditions.\n\t\n- Optimized Heat Transfer: Promotes efficient combustion and helps maintain optimal engine temperatures.\n\t\n- Elliptical Design: Ensures even load distribution across the piston surface, reducing localized pressure and preventing collapse.\n\t\n- Two-Stroke Specific: Tailored for the unique demands of two-stroke engines.\n\t\n- German Engineering: Manufactured with meticulous attention to detail and quality standards.\n\n**Specifications:**\n\n\t\n- Bore Size: 50.00mm\n\t\n- Actual Bore Diameter: 49.95mm\n\t\n- Compression Ratio: Two-stroke\n\t\n- Displacement: 79cc\n\t\n- Stroke: 42.00mm\n\t\n- Clearance: 0.05mm\n\t\n- Compression Height: 24.20mm\n\n**Component Part Numbers:**\n\n\t\n- Lock Piston Clip: 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-1981-yz80-5000mm-forged-wossner-8184d100","buyOneNow":"https://www.2brosparts.com/api/agent/checkout/GB/4759ae3dfdf1:1","basketWithThis":"https://www.2brosparts.com/api/agent/basket/GB/4759ae3dfdf1:1"}},"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."]}}