{"about":"Prices are for United Kingdom in GBP. Every URL here is a plain path you can fetch directly.","product":{"basketKey":"2ed661f9416a","name":"PISTON KIT 99-18 YZ250 1-RING, WOSSNER 8217DB 66.40","sku":"56-W742.B.WO.1R","brand":"Wossner","mpn":null,"gtin":null,"condition":"new","inStock":true,"stock":2,"price":{"amount":165.94,"formatted":"£165.94"},"summary":"Wossner piston kit 8217DB with a 66.41mm bore and 66.36mm actual piston size. Features a forged single-ring design for reduced friction and enhanced response, engineered for optimal heat transfer and distributed load distribution. Manufactured in Germany. Specifications include a 249 cm&sup3; displacement, 68.00mm stroke, 0.05mm clearance, 38.00mm compression height, and a 2-stroke compression ratio. Includes piston Wossner PN# 8217DB, gasket PN# D2041, lock PN# CW18, pin PN# WP033, ring set PN# RSB6640, and rod PN# P2028. Replaces OLD No. 56-W056.WO.B. Weight 324g.","attributes":[{"label":"General Product Group","value":"Engine"},{"label":"General Product Type","value":"Pistons & Kits"},{"label":"Variant Id","value":"257595"}],"image":"https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/56-W742_2EB_2EWO_2E1R/3c9ba81312ab1eb8.jpg","images":["https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/56-W742_2EB_2EWO_2E1R/3c9ba81312ab1eb8.jpg","https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/56-W742_2EB_2EWO_2E1R/ee574644dd6634f6.jpg"],"description":"Wossner piston kit 8217DB with a 66.41mm bore and 66.36mm actual piston size. Features a forged single-ring design for reduced friction and enhanced response, engineered for optimal heat transfer and distributed load distribution. Manufactured in Germany. Specifications include a 249 cm&sup3; displacement, 68.00mm stroke, 0.05mm clearance, 38.00mm compression height, and a 2-stroke compression ratio. Includes piston Wossner PN# 8217DB, gasket PN# D2041, lock PN# CW18, pin PN# WP033, ring set PN# RSB6640, and rod PN# P2028. Replaces OLD No. 56-W056.WO.B. Weight 324g.","descriptionMarkdown":"### Wossner 8217DB Forged Single-Ring Piston Kit\n\nThis Wossner piston kit is precision-engineered for enhanced performance and durability. Featuring a forged single-ring design, this kit is crafted to reduce friction and improve responsiveness in high-performance engines. Its specialized construction ensures optimal heat transfer from the combustion chamber to the cylinder walls, contributing to reliable operation under demanding conditions. The elliptical piston design further enhances performance by distributing load evenly and preventing piston collapse during thermal expansion.\n\n**Key Features:**\n\n- Forged single-ring piston design for reduced friction and improved engine response.\n\n- Engineered for efficient heat transfer from the combustion chamber to the cylinder walls.\n\n- Elliptical piston shape ensures even load distribution and prevents collapse during thermal expansion.\n\n- Manufactured in Germany, guaranteeing high precision and exceptional reliability.\n\n**Specifications:**\n\n- Bore Size: 66.41 mm\n\n- Actual Piston Size: 66.36 mm\n\n- Displacement: 249 cm&sup3;\n\n- Stroke: 68.00 mm\n\n- Clearance: 0.05 mm\n\n- Compression Ratio: 2-stroke (compatible with Wossner and OEM specifications)\n\n- Compression Height: 38.00 mm\n\n**Included Components:**\n\n- Wossner Piston (PN# 8217DB - Single Ring)\n\n- Gasket (PN# D2041)\n\n- Lock (PN# CW18)\n\n- Pin (PN# WP033)\n\n- Ring Set (PN# RSB6640)\n\n- Rod (PN# P2028)","weightGrams":null,"fitments":[{"make":"FANTIC","model":"XX 250","cc":null,"notes":null,"years":"2022–2025"},{"make":"SUZUKI","model":"RM 250","cc":null,"notes":null,"years":"2003–2012"},{"make":"YAMAHA","model":"YZ 250","cc":null,"notes":null,"years":"1999–2025"},{"make":"YAMAHA","model":"YZ 250X","cc":null,"notes":null,"years":"2016–2025"}],"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-99-18-yz250-1-ring-wossner-8217db-6640","buyOneNow":"https://www.2brosparts.com/api/agent/checkout/GB/2ed661f9416a:1","basketWithThis":"https://www.2brosparts.com/api/agent/basket/GB/2ed661f9416a: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."]}}