{"about":"Prices are for United Kingdom in GBP. Every URL here is a plain path you can fetch directly.","product":{"basketKey":"5a2e18c5c7b4","name":"PISTON KIT 1984 YZ125 56.50, WOSSNER 8120D050 YAMAHA MX","sku":"56-W512+050.WO","brand":"Wossner","mpn":null,"gtin":null,"condition":"new","inStock":true,"stock":2,"price":{"amount":122.21,"formatted":"£122.21"},"summary":"Wossner forged piston kit with a 56.50mm bore (actual 56.44mm) and 50.00mm stroke. This kit is designed for efficient heat transfer and improved structural strength. The piston's elliptical design ensures an even bearing surface under heat expansion, distributing thrust loads uniformly to reduce collapse. Made in Germany. Specifications include a display volume of 123 cm³, 0.06 mm clearance, 30.80 mm compression height, and a 2-stroke compression ratio (Wossner and OEM). Cross-reference OEM part numbers: Piston 8120D050, Lock CW16, Pin WP036, Ring Set RSB5650. Weight is 210 grams.","attributes":[{"label":"General Product Group","value":"Engine"},{"label":"General Product Type","value":"Pistons & Kits"},{"label":"General Size","value":"56.5mm"},{"label":"Variant Id","value":"256602"}],"image":"https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/56-W512_2B050_2EWO/7d6fa7f0dd1f2374.jpg","images":["https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/56-W512_2B050_2EWO/7d6fa7f0dd1f2374.jpg","https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/56-W512_2B050_2EWO/f4b33aab46cfb06a.jpg"],"description":"Wossner forged piston kit with a 56.50mm bore (actual 56.44mm) and 50.00mm stroke. This kit is designed for efficient heat transfer and improved structural strength. The piston's elliptical design ensures an even bearing surface under heat expansion, distributing thrust loads uniformly to reduce collapse. Made in Germany. Specifications include a display volume of 123 cm³, 0.06 mm clearance, 30.80 mm compression height, and a 2-stroke compression ratio (Wossner and OEM). Cross-reference OEM part numbers: Piston 8120D050, Lock CW16, Pin WP036, Ring Set RSB5650. Weight is 210 grams.","descriptionMarkdown":"### Wossner Forged Piston Kit - 56.50mm Bore\n\nUpgrade your engine's performance with this Wossner forged piston kit. Engineered in Germany for superior strength and thermal efficiency, this piston is designed to withstand the demands of high-performance riding. The advanced elliptical design ensures even bearing surface under extreme heat, promoting uniform thrust load distribution and preventing component collapse.\n\n#### Key Features:\n\n \n- Forged piston construction for enhanced durability and longevity.\n \n- Optimized for superior heat transfer to the cylinder walls, improving cooling efficiency.\n \n- Elliptical piston design provides uniform pressure distribution during thermal expansion, reducing stress.\n \n- Precision manufactured in Germany for assured quality and performance.\n\n#### Specifications:\n\n \n- Bore Size: 56.50mm (actual 56.44mm)\n \n- Display Volume: 123 cm³\n \n- Stroke: 50.00 mm\n \n- Clearance: 0.06 mm\n \n- Compression Height: 30.80 mm\n \n- Compression Ratio: 2-stroke (Wossner and OEM compatible)\n\n#### Component Details:\n\n \n- Piston Part Number: 8120D050\n \n- Lock Clip: CW16\n \n- Piston Pin: WP036\n \n- Ring Set: RSB5650","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-1984-yz125-5650-wossner-8120d050-yamaha-mx","buyOneNow":"https://www.2brosparts.com/api/agent/checkout/GB/5a2e18c5c7b4:1","basketWithThis":"https://www.2brosparts.com/api/agent/basket/GB/5a2e18c5c7b4:1"}},"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."]}}