{"about":"Prices are for United Kingdom in GBP. Every URL here is a plain path you can fetch directly.","product":{"basketKey":"4b1ae6a1d682","name":"PISTON 73-81 MAICO 400 78.50, FORGED WOSSNER 8047D150 KIT","sku":"56-W142+1.50","brand":"Wossner","mpn":null,"gtin":null,"condition":"new","inStock":true,"stock":1,"price":{"amount":206.7,"formatted":"£206.70"},"summary":"Wossner 78.50mm forged piston kit for Maico 400 models 1973-1981. Features superior strength and durability with optimized heat transfer for improved combustion efficiency. The elliptical design provides a uniform bearing surface, reduces localized pressure, and prevents piston collapse. Precision-engineered and made in Germany. Specifications: Bore Size 78.50mm (78.42mm), Oversize +1.50mm, Displacement 386cc, Stroke 83.00mm, Clearance 0.08mm, Compression Ratio 2-stroke, Compression Height 41.70mm, Lock Part Number CW18, Pin Part Number WP039, Ring Set Part Number RSC7850. Weight 440g.","attributes":[{"label":"General Product Group","value":"Engine"},{"label":"General Product Type","value":"Pistons & Kits"},{"label":"General Size","value":"78.5mm"},{"label":"Variant Id","value":"254689"}],"image":"https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/56-W142_2B1_2E50/01dc6bdda178e10c.jpg","images":["https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/56-W142_2B1_2E50/01dc6bdda178e10c.jpg","https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/56-W142_2B1_2E50/6ff988dd1a0a6283.jpg"],"description":"Wossner 78.50mm forged piston kit for Maico 400 models 1973-1981. Features superior strength and durability with optimized heat transfer for improved combustion efficiency. The elliptical design provides a uniform bearing surface, reduces localized pressure, and prevents piston collapse. Precision-engineered and made in Germany. Specifications: Bore Size 78.50mm (78.42mm), Oversize +1.50mm, Displacement 386cc, Stroke 83.00mm, Clearance 0.08mm, Compression Ratio 2-stroke, Compression Height 41.70mm, Lock Part Number CW18, Pin Part Number WP039, Ring Set Part Number RSC7850. Weight 440g.","descriptionMarkdown":"### Wossner Forged Piston Kit for Maico 400 (1973-1981)\n\nUpgrade your Maico 400 motorcycle with this high-performance Wossner forged piston kit. Engineered for durability and optimal engine function, this piston is designed to provide superior strength and efficiency for models manufactured between 1973 and 1981. Manufactured in Germany, Wossner components are renowned for their precision and quality, ensuring reliable performance for demanding riders.\n\nThis Wossner piston features an advanced forged construction, offering exceptional resilience and longevity compared to cast pistons. Its design promotes efficient heat transfer to the cylinder walls, facilitating uniform expansion and preventing localized pressure points. The elliptical shape ensures an even bearing surface, effectively distributing thrust loads and mitigating the risk of piston collapse under stress. This meticulous engineering contributes to smoother engine operation and extended component life.\n\n#### Key Features:\n\n\t\n- Superior Strength: Wossner forged piston construction for enhanced durability and resistance to wear.\n\t\n- Efficient Heat Transfer: Promotes uniform expansion and optimal combustion conditions.\n\t\n- Elliptical Design: Ensures even load distribution, reducing localized pressure and preventing piston collapse.\n\t\n- Precision Engineering: Manufactured to exact specifications for a perfect fit and reliable performance.\n\t\n- German Quality: Expertly crafted in Germany, adhering to stringent quality standards.\n\n#### Specifications:\n\n\t\n- Bore Size: 78.50mm (also listed as 78.42mm)\n\t\n- Oversize: +1.50mm\n\t\n- Displacement: Designed for 386cc engines\n\t\n- Stroke: 83.00mm\n\t\n- Clearance: 0.08mm\n\t\n- Compression Ratio: Suitable for 2-stroke engines\n\t\n- Compression Height: 41.70mm\n\t\n- Included Components: Comes with Lock Part Number CW18, Pin Part Number WP039, and Ring Set Part Number RSC7850.","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-73-81-maico-400-7850-forged-wossner-8047d150-kit","buyOneNow":"https://www.2brosparts.com/api/agent/checkout/GB/4b1ae6a1d682:1","basketWithThis":"https://www.2brosparts.com/api/agent/basket/GB/4b1ae6a1d682:1"}},"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."]}}