{"about":"Prices are for United Kingdom in GBP. Every URL here is a plain path you can fetch directly.","product":{"basketKey":"0dcf44a41a8d","name":"PISTON KIT 78-81 KX125 56.50, FORGED WOSSNER 8202D050","sku":"56-W438.050.WO","brand":"Wossner","mpn":null,"gtin":null,"condition":"new","inStock":true,"stock":1,"price":{"amount":121.94,"formatted":"£121.94"},"summary":"Wossner forged piston kit 8202D050. Forged construction for enhanced durability and strength. Optimized heat transfer for improved performance. Elliptical design for uniform bearing surface and reduced wear. Designed for 2-stroke engines. Bore Size: 56.50 mm, Actual Bore: 56.44 mm, Stroke: 50.50 mm, Clearance: 0.06 mm, Compression Height: 29.70 mm, Compression Ratio: 2-stroke, Displacement: 125 cm&sup3;. Made in Germany. Wossner Part No.: 8202D050, Lock P/N: CW16, Pin P/N: WP036, Ring Set P/N: RSB5650 x 2, Connecting Rod Kit P/N: P2037, Other Reference Numbers: Wiseco 438M05650.","attributes":[{"label":"General Product Group","value":"Engine"},{"label":"General Product Type","value":"Pistons & Kits"},{"label":"General Size","value":"56.5mm"},{"label":"Variant Id","value":"255599"}],"image":"https://www.oro2u.com/media/catalog/product/s/t/stock54545_1.jpg","images":["https://www.oro2u.com/media/catalog/product/s/t/stock54545_1.jpg","https://www.oro2u.com/media/catalog/product/s/t/stock54545_2.jpg","https://www.oro2u.com/media/catalog/product/s/t/stock54545_3.jpg","https://www.oro2u.com/media/catalog/product/s/t/stock54545_4.jpg"],"description":"Wossner forged piston kit 8202D050. Forged construction for enhanced durability and strength. Optimized heat transfer for improved performance. Elliptical design for uniform bearing surface and reduced wear. Designed for 2-stroke engines. Bore Size: 56.50 mm, Actual Bore: 56.44 mm, Stroke: 50.50 mm, Clearance: 0.06 mm, Compression Height: 29.70 mm, Compression Ratio: 2-stroke, Displacement: 125 cm&sup3;. Made in Germany. Wossner Part No.: 8202D050, Lock P/N: CW16, Pin P/N: WP036, Ring Set P/N: RSB5650 x 2, Connecting Rod Kit P/N: P2037, Other Reference Numbers: Wiseco 438M05650.","descriptionMarkdown":"### Wossner Forged Piston Kit for Kawasaki KX125 (1978-1981)\n\nThis Wossner forged piston kit is engineered for enhanced performance and durability on Kawasaki KX125 models from 1978 to 1981. Manufactured with precision in Germany, it offers superior strength and efficient heat transfer, crucial for optimal engine operation. The innovative elliptical design ensures uniform load distribution across the piston, minimizing localized pressure points and effectively preventing piston collapse under demanding conditions.\n\n#### Key Features:\n\n\t\n- Forged Construction: Provides exceptional durability and strength, resisting deformation and wear.\n\t\n- Optimized Heat Transfer: Designed for efficient heat dissipation, contributing to improved engine performance and longevity.\n\t\n- Elliptical Piston Design: Ensures a uniform bearing surface, reducing wear and preventing localized stress.\n\t\n- Two-Stroke Engine Specific: Tailored for the unique demands of two-stroke engine applications.\n\n#### Specifications:\n\n\t\n- Bore Size: 56.50 mm\n\t\n- Actual Bore: 56.44 mm\n\t\n- Stroke: 50.50 mm\n\t\n- Clearance: 0.06 mm\n\t\n- Compression Height: 29.70 mm\n\t\n- Compression Ratio: 2-stroke\n\t\n- Displacement: 125 cm&sup3;\n\t\n- Manufacturing Origin: Germany\n\n#### Included Components:\n\n\t\n- Piston\n\t\n- Lock P/N: CW16\n\t\n- Pin P/N: WP036\n\t\n- Ring Set P/N: RSB5650 (x2)\n\t\n- Connecting Rod Kit P/N: P2037\n\n**Wossner Part Number:** 8202D050\n\n**Cross-Reference Part Number:** Wiseco 438M05650","weightGrams":null,"fitments":[{"make":"KAWASAKI","model":"KX 125","cc":null,"notes":null,"years":"1978–1981"}],"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-78-81-kx125-5650-forged-wossner-8202d050","buyOneNow":"https://www.2brosparts.com/api/agent/checkout/GB/0dcf44a41a8d:1","basketWithThis":"https://www.2brosparts.com/api/agent/basket/GB/0dcf44a41a8d: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."]}}