{"about":"Prices are for United Kingdom in GBP. Every URL here is a plain path you can fetch directly.","product":{"basketKey":"8fa1e9d459d4","name":"PISTON KIT SACHS 125/7 55.75, WOSSNER 8287D200 PIN 16mm","sku":"56-W9844.200","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 55.75mm bore. This is an oversized (+2.00mm) replacement for the Sachs 125/7 engine. Precision-forged in Germany, it is engineered for strength, thermal efficiency, and longevity. Features forged construction for high durability and performance, optimized for efficient heat transfer, and an elliptical design for uniform bearing surface under thermal expansion. Provides even thrust load distribution, minimising localised pressure points. Manufactured in Germany. Bore: 55.75mm (+2.00mm Oversize). Actual bore: 55.69mm. 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-W9844.200, 8287D200. Clip Part Number: CW16. Pin Part Number: WP136. Ring Set Part Number: RSB5575 (x2). Weight: 194g.","attributes":[{"label":"General Product Group","value":"Engine"},{"label":"General Product Type","value":"Pistons & Kits"},{"label":"General Size","value":"55.75mm"},{"label":"Variant Id","value":"258900"}],"image":"https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/56-W9844_2E200/e0954c435a2660c9.jpg","images":["https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/56-W9844_2E200/e0954c435a2660c9.jpg"],"description":"Wossner forged piston kit with 55.75mm bore. This is an oversized (+2.00mm) replacement for the Sachs 125/7 engine. Precision-forged in Germany, it is engineered for strength, thermal efficiency, and longevity. Features forged construction for high durability and performance, optimized for efficient heat transfer, and an elliptical design for uniform bearing surface under thermal expansion. Provides even thrust load distribution, minimising localised pressure points. Manufactured in Germany. Bore: 55.75mm (+2.00mm Oversize). Actual bore: 55.69mm. 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-W9844.200, 8287D200. Clip Part Number: CW16. Pin Part Number: WP136. Ring Set Part Number: RSB5575 (x2). Weight: 194g.","descriptionMarkdown":"### Wossner Forged Piston Kit - 55.75mm Bore\n\nUpgrade your engine's performance and durability with this precision-engineered Wossner forged piston kit. Designed as an oversized replacement for the Sachs 125/7 engine, this kit features a 55.75mm bore, offering a +2.00mm advantage. Meticulously forged in Germany, Wossner pistons are renowned for their exceptional strength, superior thermal efficiency, and extended service life, ensuring reliable performance even under demanding conditions.\n\nThe innovative elliptical piston profile is engineered to promote even expansion and optimal load distribution across the piston surface. This design effectively reduces localized stress and prevents premature failure, particularly crucial in high-performance two-stroke applications. Experience enhanced heat transfer from the combustion chamber to the cylinder walls, contributing to efficient operation and longevity.\n\n#### Key Features:\n\n\t\n- Forged construction ensures high durability and maximum performance potential.\n\t\n- Optimized design for efficient heat transfer, contributing to optimal operating temperatures.\n\t\n- Elliptical piston profile provides a uniform bearing surface during thermal expansion.\n\t\n- Even thrust load distribution minimizes localized pressure points for increased longevity.\n\t\n- Precision manufactured in Germany for uncompromising quality.\n\n#### Specifications:\n\n\t\n- Bore Size: 55.75mm (Oversize +2.00mm)\n\t\n- Actual Bore Measurement: 55.69mm\n\t\n- Display Volume: 122 cm&sup3;\n\t\n- Stroke Length: 54.00mm\n\t\n- Piston to Cylinder Clearance: 0.06mm\n\t\n- Compression Height: 38.00mm\n\t\n- Wossner Compression Ratio: 2-stroke\n\t\n- OEM Compression Ratio: 2-stroke\n\nThis kit includes all necessary components for a complete installation, featuring specific part numbers for clips, pins, and ring sets, ensuring compatibility and ease of sourcing replacements.","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-1257-5575-wossner-8287d200-pin-16mm","buyOneNow":"https://www.2brosparts.com/api/agent/checkout/GB/8fa1e9d459d4:1","basketWithThis":"https://www.2brosparts.com/api/agent/basket/GB/8fa1e9d459d4:1"}},"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."]}}