{"about":"Prices are for United Kingdom in GBP. Every URL here is a plain path you can fetch directly.","product":{"basketKey":"51379aaab8c7","name":"PISTON KIT 11-14 KX250F 77mm B, 8816DB WOSSNER KAWASAKI HC","sku":"56-W952.B.WO.HC","brand":"Wossner","mpn":null,"gtin":null,"condition":"new","inStock":true,"stock":2,"price":{"amount":182.86,"formatted":"£182.86"},"summary":"Wossner forged high-compression piston kit with a 77.01mm bore size (76.97mm actual) for Kawasaki KX250F models. Features a hard Teflon skirt coating for improved cylinder conformity and long-term reliability. Includes a two-ring setup and an elliptical design for balanced load distribution and efficient thermal performance. Manufactured in Germany. Specifications: Bore Size 77.01mm (actual 76.97mm), Displacement 250 cm&sup3;, Stroke 53.60 mm, Clearance 0.04 mm, Compression Ratio (Wossner) 14.20:1, Compression Ratio (OEM) 13.50:1, Dome Volume -1.70 cm&sup3;, Compression Height 19.60 mm, Lock Part Number CW16, Pin Part Number WP070, Ring Set Part Number 770XAS-S.","attributes":[{"label":"General Product Group","value":"Engine"},{"label":"General Product Type","value":"Pistons & Kits"},{"label":"General Size","value":"77.00mm"},{"label":"Variant Id","value":"258361"}],"image":"https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/56-W952_2EB_2EWO_2EHC/741d113741fabbca.jpg","images":["https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/56-W952_2EB_2EWO_2EHC/741d113741fabbca.jpg","https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/56-W952_2EB_2EWO_2EHC/8802b67fb0df4968.jpg","https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/56-W952_2EB_2EWO_2EHC/cef2982fc30a0d30.jpg","https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/56-W952_2EB_2EWO_2EHC/ac62856101a728a9.jpg"],"description":"Wossner forged high-compression piston kit with a 77.01mm bore size (76.97mm actual) for Kawasaki KX250F models. Features a hard Teflon skirt coating for improved cylinder conformity and long-term reliability. Includes a two-ring setup and an elliptical design for balanced load distribution and efficient thermal performance. Manufactured in Germany. Specifications: Bore Size 77.01mm (actual 76.97mm), Displacement 250 cm&sup3;, Stroke 53.60 mm, Clearance 0.04 mm, Compression Ratio (Wossner) 14.20:1, Compression Ratio (OEM) 13.50:1, Dome Volume -1.70 cm&sup3;, Compression Height 19.60 mm, Lock Part Number CW16, Pin Part Number WP070, Ring Set Part Number 770XAS-S.","descriptionMarkdown":"### Wossner Forged High-Compression Piston Kit for Kawasaki KX250F\n\nUpgrade your Kawasaki KX250F's performance with this Wossner forged high-compression piston kit. Engineered in Germany, this piston is designed for optimal power and reliability, featuring a 77.01mm bore size (76.97mm actual) for a precise fit. The advanced two-ring design and elliptical profile ensure balanced load distribution and efficient operation, even under high heat conditions.\n\n**Key Features:**\n\n \n- Forged high-compression piston with a two-ring configuration for enhanced performance.\n \n- Elliptical piston profile is engineered for uniform pressure distribution as the piston expands with heat.\n \n- Features a hard Teflon skirt coating that improves conformity to the cylinder wall and increases wear resistance.\n \n- Designed for superior heat transfer efficiency, contributing to overall engine longevity.\n \n- Precision manufactured in Germany to Wossner's high-quality standards.\n\n**Specifications:**\n\n \n- Bore Size: 77.01mm (actual measurement 76.97mm)\n \n- Dome Volume: -1.70 cm&sup3;\n \n- Compression Height: 19.60 mm\n \n- Lock Part Number: CW16\n \n- Pin Part Number: WP070\n \n- Ring Set Part Number: 770XAS-S\n \n- Compression Ratio (Wossner): 14.20:1\n \n- Compression Ratio (OEM): 13.50:1","weightGrams":null,"fitments":[{"make":"KAWASAKI","model":"KX 250F","cc":null,"notes":null,"years":"2010–2016"}],"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-11-14-kx250f-77mm-b-8816db-wossner-kawasaki-hc","buyOneNow":"https://www.2brosparts.com/api/agent/checkout/GB/51379aaab8c7:1","basketWithThis":"https://www.2brosparts.com/api/agent/basket/GB/51379aaab8c7:1"}},"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."]}}