{"about":"Prices are for United Kingdom in GBP. Every URL here is a plain path you can fetch directly.","product":{"basketKey":"97c7dba153b3","name":"PISTON KIT SACHS 125/7 54.25, WOSSNER 8287D050 PIN 16mm","sku":"56-W9844.050","brand":"Wossner","mpn":null,"gtin":null,"condition":"new","inStock":true,"stock":3,"price":{"amount":126.78,"formatted":"£126.78"},"summary":"This Wossner forged piston kit features a 54.25mm bore and is an oversized (+0.50mm) replacement for the Sachs 125/7 engine. Manufactured in Germany, this piston is designed for strength, longevity, and efficient thermal performance. Its elliptical profile ensures even expansion and pressure distribution, reducing the risk of piston failure in two-stroke applications. Features include forged construction for superior strength and durability, efficient heat dissipation from combustion to cylinder walls, an elliptical design for a uniform bearing surface under thermal expansion, and even distribution of thrust loads to reduce localized pressure points. Specifications: Bore 54.25mm (+0.50mm Oversize), Actual bore 54.14mm, Display volume 122 cm³, Stroke 54.00mm, Clearance 0.06mm, Wossner compression ratio 2-stroke, OEM compression ratio 2-stroke, Compression height 38.00mm. Cross-Reference OEM Part Numbers: 56-W9844.050, 8287D050, Clip Part Number CW16, Pin Part Number WP136, Ring Set Part Number RSB5425 (x2). This product weighs 190 grams.","attributes":[{"label":"General Product Group","value":"Engine"},{"label":"General Product Type","value":"Pistons & Kits"},{"label":"General Size","value":"54.25mm"},{"label":"Variant Id","value":"258897"}],"image":"https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/56-W9844_2E050/e0954c435a2660c9.jpg","images":["https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/56-W9844_2E050/e0954c435a2660c9.jpg"],"description":"This Wossner forged piston kit features a 54.25mm bore and is an oversized (+0.50mm) replacement for the Sachs 125/7 engine. Manufactured in Germany, this piston is designed for strength, longevity, and efficient thermal performance. Its elliptical profile ensures even expansion and pressure distribution, reducing the risk of piston failure in two-stroke applications. Features include forged construction for superior strength and durability, efficient heat dissipation from combustion to cylinder walls, an elliptical design for a uniform bearing surface under thermal expansion, and even distribution of thrust loads to reduce localized pressure points. Specifications: Bore 54.25mm (+0.50mm Oversize), Actual bore 54.14mm, Display volume 122 cm³, Stroke 54.00mm, Clearance 0.06mm, Wossner compression ratio 2-stroke, OEM compression ratio 2-stroke, Compression height 38.00mm. Cross-Reference OEM Part Numbers: 56-W9844.050, 8287D050, Clip Part Number CW16, Pin Part Number WP136, Ring Set Part Number RSB5425 (x2). This product weighs 190 grams.","descriptionMarkdown":"### Wossner 54.25mm Forged Piston Kit for Sachs 125/7\n\nThis Wossner forged piston kit features a 54.25mm bore, making it an oversized (+0.50mm) replacement designed for the Sachs 125/7 engine. Manufactured in Germany, this piston is engineered for exceptional strength, durability, and efficient thermal performance. Its advanced elliptical profile promotes even expansion and uniform pressure distribution, significantly reducing the risk of piston failure in demanding two-stroke applications.\n\n#### Key Features:\n\n\t\n- Forged construction ensures superior strength and longevity.\n\t\n- Engineered for efficient heat dissipation from combustion to cylinder walls.\n\t\n- Elliptical design creates a uniform bearing surface under thermal expansion.\n\t\n- Promotes even distribution of thrust loads, minimizing localized pressure points.\n\t\n- Precision manufactured in Germany.\n\n#### Specifications:\n\n\t\n- Bore: 54.25mm (0.50mm Oversize)\n\t\n- Actual Bore: 54.14mm\n\t\n- Stroke: 54.00mm\n\t\n- Clearance: 0.06mm\n\t\n- Compression Height: 38.00mm\n\t\n- Piston Pin Diameter: 16mm\n\n#### Included Components:\n\n\t\n- Wossner Piston (Part Number: 8287D050)\n\t\n- Piston Rings (Set Part Number: RSB5425 x2)\n\t\n- Piston Pin (Part Number: WP136)\n\t\n- Circlips (Part Number: CW16)","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-1257-5425-wossner-8287d050-pin-16mm","buyOneNow":"https://www.2brosparts.com/api/agent/checkout/GB/97c7dba153b3:1","basketWithThis":"https://www.2brosparts.com/api/agent/basket/GB/97c7dba153b3:1"}},"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."]}}