{"about":"Prices are for United Kingdom in GBP. Every URL here is a plain path you can fetch directly.","product":{"basketKey":"99d10482bb77","name":"PISTON KIT SACHS 125/7 55.25, WOSSNER 8287D150 PIN 16mm","sku":"56-W9844.150","brand":"Wossner","mpn":null,"gtin":null,"condition":"new","inStock":true,"stock":1,"price":{"amount":126.78,"formatted":"£126.78"},"summary":"Wossner forged piston kit with a 55.25mm bore, 16mm pin. This is an oversized (+1.50mm) replacement for the Sachs 125/7 engine. Manufactured in Germany, it delivers excellent strength and heat transfer performance. The elliptical piston design ensures even pressure distribution during thermal expansion, reducing localised stress and enhancing durability in two-stroke engine applications. Features include forged construction for superior strength and longevity, engineered for efficient combustion chamber heat dissipation, elliptical profile maintaining consistent bearing surface under thermal load, and even distribution of thrust loads minimising piston stress and wear. Specifications: Bore 55.25mm (+1.50mm Oversize), Actual bore 55.19mm, Display volume 122 cm&sup3;, 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-W9844.150, 8287D150. Clip Part Number: CW16. Pin Part Number: WP136. Ring Set Part Number: RSB5525 (x2).","attributes":[{"label":"General Product Group","value":"Engine"},{"label":"General Product Type","value":"Pistons & Kits"},{"label":"General Size","value":"55.25mm"},{"label":"Variant Id","value":"258899"}],"image":"https://www.oro2u.com/media/catalog/product/s/t/stock57845_1.jpg","images":["https://www.oro2u.com/media/catalog/product/s/t/stock57845_1.jpg"],"description":"Wossner forged piston kit with a 55.25mm bore, 16mm pin. This is an oversized (+1.50mm) replacement for the Sachs 125/7 engine. Manufactured in Germany, it delivers excellent strength and heat transfer performance. The elliptical piston design ensures even pressure distribution during thermal expansion, reducing localised stress and enhancing durability in two-stroke engine applications. Features include forged construction for superior strength and longevity, engineered for efficient combustion chamber heat dissipation, elliptical profile maintaining consistent bearing surface under thermal load, and even distribution of thrust loads minimising piston stress and wear. Specifications: Bore 55.25mm (+1.50mm Oversize), Actual bore 55.19mm, Display volume 122 cm&sup3;, 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-W9844.150, 8287D150. Clip Part Number: CW16. Pin Part Number: WP136. Ring Set Part Number: RSB5525 (x2).","descriptionMarkdown":"### Wossner Oversize Piston Kit for Sachs 125/7 Engines\n\nThis Wossner forged piston kit features a 55.25mm bore, making it an ideal oversized replacement for Sachs 125/7 engines. Manufactured in Germany to exacting standards, this piston is engineered for exceptional strength and efficient heat transfer.\n\nThe unique elliptical design of the piston ensures even pressure distribution, even under extreme thermal expansion. This reduces localized stress and minimizes wear, significantly enhancing the durability of your two-stroke engine.\n\n**Key Features:**\n\n \n- Forged construction for superior strength and longevity.\n \n- Designed for efficient combustion chamber heat dissipation.\n \n- Elliptical piston profile maintains a consistent bearing surface under thermal load.\n \n- Even distribution of thrust loads minimizes piston stress and wear.\n \n- Precision manufactured in Germany.\n\n**Specifications:**\n\n \n- Bore: 55.25mm (1.50mm Oversize)\n \n- Actual Bore: 55.19mm\n \n- Display Volume: 122 cm&sup3;\n \n- Stroke: 54.00mm\n \n- Clearance: 0.06mm\n \n- Compression Height: 38.00mm","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-1257-5525-wossner-8287d150-pin-16mm","buyOneNow":"https://www.2brosparts.com/api/agent/checkout/GB/99d10482bb77:1","basketWithThis":"https://www.2brosparts.com/api/agent/basket/GB/99d10482bb77:1"}},"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."]}}