{"about":"Prices are for United Kingdom in GBP. Every URL here is a plain path you can fetch directly.","product":{"basketKey":"7e143f6842b3","name":"PISTON KIT 92-98 YZ250 68.00 C, WOSSNER 8023DC YAMAHA MX","sku":"56-W677.C.WO","brand":"Wossner","mpn":null,"gtin":null,"condition":"new","inStock":true,"stock":1,"price":{"amount":144.97,"formatted":"£144.97"},"summary":"Wossner forged piston kit for Yamaha YZ250 and WR250 models. Features +0.02mm oversize bore size of 68.02mm, with an actual diameter of 67.96mm. This piston kit is engineered for enhanced thermal conductivity and mechanical stability. The elliptical piston profile helps maintain an even load distribution during heat expansion, reducing stress concentrations and preventing piston collapse. Its design supports effective combustion heat transfer to the cylinder wall, contributing to improved reliability. Manufactured in Germany. Specifications include a compression height of 36.00mm, stroke of 68.00mm, displacement of 246 cm³, piston clearance of 0.06mm, and a 2-stroke compression ratio. Includes piston kit part number 8023DC, lock CW18, pin WP033, ring set RSB6800 x2, and rod P2029.","attributes":[{"label":"General Product Group","value":"Engine"},{"label":"General Product Type","value":"Pistons & Kits"},{"label":"General Size","value":"68.00mm"},{"label":"Variant Id","value":"257455"}],"image":"https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/56-W677_2EC_2EWO/82b2978a9664eaf7.jpg","images":["https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/56-W677_2EC_2EWO/82b2978a9664eaf7.jpg"],"description":"Wossner forged piston kit for Yamaha YZ250 and WR250 models. Features +0.02mm oversize bore size of 68.02mm, with an actual diameter of 67.96mm. This piston kit is engineered for enhanced thermal conductivity and mechanical stability. The elliptical piston profile helps maintain an even load distribution during heat expansion, reducing stress concentrations and preventing piston collapse. Its design supports effective combustion heat transfer to the cylinder wall, contributing to improved reliability. Manufactured in Germany. Specifications include a compression height of 36.00mm, stroke of 68.00mm, displacement of 246 cm³, piston clearance of 0.06mm, and a 2-stroke compression ratio. Includes piston kit part number 8023DC, lock CW18, pin WP033, ring set RSB6800 x2, and rod P2029.","descriptionMarkdown":"### Wossner Forged Piston Kit for Yamaha YZ250 & WR250\n\nThis Wossner forged piston kit is engineered for enhanced thermal conductivity and mechanical stability. The elliptical piston profile helps maintain an even load distribution during heat expansion, reducing stress concentrations and preventing piston collapse. Its design supports effective combustion heat transfer to the cylinder wall, contributing to improved reliability under demanding conditions.\n\n#### Key Features\n\n\t\n- Forged piston construction ensures high structural integrity.\n\t\n- Elliptical design provides balanced expansion and bearing surface.\n\t\n- Reduces localized stress and risk of collapse under thermal load.\n\t\n- Supports effective heat dissipation from the combustion chamber.\n\t\n- Precision manufactured in Germany.\n\n#### Specifications\n\n\t\n- Bore Size: 68.02mm (+0.02mm oversize)\n\t\n- Actual Diameter: 67.96mm\n\t\n- Compression Height: 36.00mm\n\t\n- Stroke: 68.00mm\n\t\n- Displacement: 246 cm³\n\t\n- Piston Clearance: 0.06mm\n\t\n- Compression Ratio: 2-stroke (Wossner and OEM)\n\n#### Included Components\n\n\t\n- Piston Kit Part No: 8023DC\n\t\n- Lock: CW18\n\t\n- Pin: WP033\n\t\n- Ring Set: RSB6800 x2\n\t\n- Rod: P2029","weightGrams":null,"fitments":[{"make":"YAMAHA","model":"WR 250","cc":null,"notes":null,"years":"1988–1999"},{"make":"YAMAHA","model":"YZ 250","cc":null,"notes":null,"years":"1988–1998"}],"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-92-98-yz250-6800-c-wossner-8023dc-yamaha-mx","buyOneNow":"https://www.2brosparts.com/api/agent/checkout/GB/7e143f6842b3:1","basketWithThis":"https://www.2brosparts.com/api/agent/basket/GB/7e143f6842b3:1"}},"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."]}}