{"about":"Prices are for United Kingdom in GBP. Every URL here is a plain path you can fetch directly.","product":{"basketKey":"853f6abeaa70","name":"PISTON KIT SACHS 125/7 54.75, WOSSNER 8287D100 PIN 16mm","sku":"56-W9844.100","brand":"Wossner","mpn":null,"gtin":null,"condition":"new","inStock":true,"stock":3,"price":{"amount":126.78,"formatted":"£126.78"},"summary":"Wossner 54.75mm forged piston kit is an oversized replacement for the Sachs 125/7 engine. Made in Germany, it offers superior strength and efficient thermal characteristics. The elliptical design promotes even expansion and pressure distribution under operating temperatures, reducing stress and ensuring long-term reliability in two-stroke engine applications. Features include forged construction for high strength and durability, efficient heat transfer, an elliptical profile for uniform bearing surface under thermal expansion, and even thrust load distribution to minimise localised stress. Specifications include a bore of 54.75mm (+1.00mm Oversize), actual bore of 54.69mm, display volume of 122 cm&sup3;, stroke of 54.00mm, clearance of 0.06mm, a two-stroke Wossner compression ratio, a two-stroke OEM compression ratio, and a compression height of 38.00mm. Cross-reference OEM part numbers include 56-W9844.100 and 8287D100. Clip Part Number: CW16. Pin Part Number: WP136. Ring Set Part Number: RSB5475 (x2).","attributes":[{"label":"General Product Group","value":"Engine"},{"label":"General Product Type","value":"Pistons & Kits"},{"label":"General Size","value":"54.75mm"},{"label":"Variant Id","value":"258898"}],"image":"https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/56-W9844_2E100/e0954c435a2660c9.jpg","images":["https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/56-W9844_2E100/e0954c435a2660c9.jpg"],"description":"Wossner 54.75mm forged piston kit is an oversized replacement for the Sachs 125/7 engine. Made in Germany, it offers superior strength and efficient thermal characteristics. The elliptical design promotes even expansion and pressure distribution under operating temperatures, reducing stress and ensuring long-term reliability in two-stroke engine applications. Features include forged construction for high strength and durability, efficient heat transfer, an elliptical profile for uniform bearing surface under thermal expansion, and even thrust load distribution to minimise localised stress. Specifications include a bore of 54.75mm (+1.00mm Oversize), actual bore of 54.69mm, display volume of 122 cm&sup3;, stroke of 54.00mm, clearance of 0.06mm, a two-stroke Wossner compression ratio, a two-stroke OEM compression ratio, and a compression height of 38.00mm. Cross-reference OEM part numbers include 56-W9844.100 and 8287D100. Clip Part Number: CW16. Pin Part Number: WP136. Ring Set Part Number: RSB5475 (x2).","descriptionMarkdown":"### Wossner Forged Piston Kit for Sachs 125/7 - 54.75mm Bore\n\n Upgrade your Sachs 125/7 engine with this high-performance Wossner forged piston kit. Engineered for durability and efficiency, this piston features a 54.75mm bore, representing a 1.00mm oversize for optimal performance. Manufactured in Germany, Wossner pistons are renowned for their superior strength and advanced thermal characteristics.\n\n The elliptical design of this piston promotes even expansion and uniform pressure distribution under operating temperatures. This reduces stress on critical engine components and ensures long-term reliability, especially vital in demanding two-stroke engine applications. Experience enhanced performance and a more resilient engine with this premium quality piston.\n\n### Key Features:\n\n \n- Forged construction for exceptional strength and enhanced durability.\n \n- Designed for efficient heat transfer from combustion to the cylinder walls.\n \n- Elliptical profile ensures a consistent bearing surface even with thermal expansion.\n \n- Promotes even thrust load distribution, minimizing localized stress for improved longevity.\n \n- Precision manufactured in Germany for uncompromising quality.\n\n### Specifications:\n\n \n- Bore Size: 54.75mm (+1.00mm Oversize)\n \n- Actual Bore: 54.69mm\n \n- Displacement Volume: 122 cm&sup3;\n \n- Stroke: 54.00mm\n \n- Clearance: 0.06mm\n \n- Compression Height: 38.00mm\n\n### Included Components:\n\n \n- Piston\n \n- Piston Pin (16mm)\n \n- Piston Rings\n \n- Circlips","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-sachs-1257-5475-wossner-8287d100-pin-16mm","buyOneNow":"https://www.2brosparts.com/api/agent/checkout/GB/853f6abeaa70:1","basketWithThis":"https://www.2brosparts.com/api/agent/basket/GB/853f6abeaa70:1"}},"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."]}}