{"about":"Prices are for United Kingdom in GBP. Every URL here is a plain path you can fetch directly.","product":{"basketKey":"55e170959c7c","name":"PISTON KIT 1986 KX125 56.00, WOSSNER 8211DA KAWASAKI MX 13001-1231","sku":"56-W540.00A.WO","brand":"Wossner","mpn":null,"gtin":null,"condition":"new","inStock":false,"stock":0,"price":{"amount":122.21,"formatted":"£122.21"},"summary":"Wossner forged piston kit with a 56mm bore (55.94mm actual) for 2-stroke engines. Engineered for high performance, this piston features efficient heat transfer and an elliptical design for uniform load distribution, reducing localized pressure. Manufactured in Germany, this kit includes essential components for assembly and is built to precise specifications. Features include a forged piston design, optimized heat transfer, an elliptical shape for even thrust load distribution, and German design and manufacturing. Specifications include a bore size of 56mm (actual 55.94mm), compression height of 29.70mm, clearance of 0.06mm, stroke of 50.60mm, display displacement of 211 cm&sup3;, and a 2-stroke compression ratio. Cross-reference OEM part numbers: 13001-1231, 540M05400. Included components: Piston Wossner 8211DA, Lock CW16, Pin WP036, Ring Set RSB5600, Rod P2037. Weight: 202g.","attributes":[{"label":"General Product Group","value":"Engine"},{"label":"General Product Type","value":"Pistons & Kits"},{"label":"General Size","value":"56mm"},{"label":"Variant Id","value":"256711"}],"image":"https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/56-W540_2E00A_2EWO/347c0c8f5cfecd85.jpg","images":["https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/56-W540_2E00A_2EWO/347c0c8f5cfecd85.jpg","https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/56-W540_2E00A_2EWO/9d8dab74af340351.jpg","https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/56-W540_2E00A_2EWO/c58d5f8ff93f5827.jpg","https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/56-W540_2E00A_2EWO/f10b16caaf89c673.jpg"],"description":"Wossner forged piston kit with a 56mm bore (55.94mm actual) for 2-stroke engines. Engineered for high performance, this piston features efficient heat transfer and an elliptical design for uniform load distribution, reducing localized pressure. Manufactured in Germany, this kit includes essential components for assembly and is built to precise specifications. Features include a forged piston design, optimized heat transfer, an elliptical shape for even thrust load distribution, and German design and manufacturing. Specifications include a bore size of 56mm (actual 55.94mm), compression height of 29.70mm, clearance of 0.06mm, stroke of 50.60mm, display displacement of 211 cm&sup3;, and a 2-stroke compression ratio. Cross-reference OEM part numbers: 13001-1231, 540M05400. Included components: Piston Wossner 8211DA, Lock CW16, Pin WP036, Ring Set RSB5600, Rod P2037. Weight: 202g.","descriptionMarkdown":"### Wossner Forged Piston Kit - High Performance 2-Stroke Power\n\nElevate your motorcycle's performance with this Wossner forged piston kit. Engineered for demanding 2-stroke applications, this kit is precision-crafted in Germany to deliver superior strength, durability, and efficiency.\n\nThe piston features a 56mm bore (actual 55.94mm) and an advanced elliptical design. This shape is crucial for promoting uniform load distribution across the piston surface, which significantly reduces localized pressure points and minimizes the risk of piston collapse under extreme conditions. Its design also optimizes heat transfer, moving heat efficiently from the combustion chamber to the cylinder walls, contributing to better thermal management and performance.\n\nThis Wossner piston kit is built to exacting standards, ensuring a reliable and compatible upgrade for your motorcycle's engine. It includes all necessary components for a complete installation, providing a hassle-free way to enhance your machine's power and longevity.\n\n**Key Features:**\n\n\t\n- Forged piston construction for exceptional strength and resilience.\n\t\n- Elliptical piston design for even thrust load distribution and reduced stress.\n\t\n- Optimized heat transfer for improved thermal efficiency and performance.\n\t\n- Designed and manufactured in Germany for premium quality.\n\t\n- Direct replacement for standard bore size, ensuring compatibility.\n\n**Specifications:**\n\n\t\n- Bore Size: 56mm (actual 55.94mm)\n\t\n- Compression Height: 29.70mm\n\t\n- Clearance: 0.06mm\n\t\n- Stroke: 50.60mm\n\t\n- Displacement: 211 cm&sup3;\n\t\n- Compression Ratio: 2-stroke (compatible with Wossner and OEM specifications)\n\n**Included Components:**\n\n\t\n- Piston: Wossner 8211DA\n\t\n- Lock: CW16\n\t\n- Pin: WP036\n\t\n- Ring Set: RSB5600\n\t\n- Rod: P2037\n\n**Cross-Reference OEM Part Numbers:**\n\n\t\n- 13001-1231\n\t\n- 540M05400","weightGrams":null,"fitments":[{"make":"KAWASAKI","model":"KX 125","cc":null,"notes":null,"years":"1985–1986"}],"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-1986-kx125-5600-wossner-8211da-kawasaki-mx-13001-1231","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."]}}