{"about":"Prices are for United Kingdom in GBP. Every URL here is a plain path you can fetch directly.","product":{"basketKey":"95217f63d369","name":"PISTON KIT 11-14 KX250F 77mm A, WOSSNER 8816DA KAWASAKI HC 13001-0125","sku":"56-W952.A.WO.HC","brand":"Wossner","mpn":null,"gtin":null,"condition":"new","inStock":true,"stock":7,"price":{"amount":182.86,"formatted":"£182.86"},"summary":"Wossner forged high-compression piston kit with a 77mm bore size (76.96mm actual). This two-ring piston features a hard Teflon skirt coating for improved fit and bore conformity and an elliptical design for even load distribution. Manufactured in Germany, it enhances combustion efficiency and strength. Specifications include a 250 cm&sup3; displacement, 53.60 mm stroke, 0.04 mm clearance, 14.20:1 compression ratio (Wossner) and 13.50:1 (OEM), -1.70 cm&sup3; dome volume, 19.60 mm compression height, CW16 lock part number, WP070 pin part number, and 770XAS ring set part number. Cross-reference OEM part numbers: 13001-0125, 40020M07700. Weight: 224g.","attributes":[{"label":"General Product Group","value":"Engine"},{"label":"General Product Type","value":"Pistons & Kits"},{"label":"General Size","value":"77.00mm"},{"label":"Variant Id","value":"258358"}],"image":"https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/56-W952_2EA_2EWO_2EHC/741d113741fabbca.jpg","images":["https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/56-W952_2EA_2EWO_2EHC/741d113741fabbca.jpg","https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/56-W952_2EA_2EWO_2EHC/8802b67fb0df4968.jpg","https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/56-W952_2EA_2EWO_2EHC/cef2982fc30a0d30.jpg","https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/56-W952_2EA_2EWO_2EHC/ac62856101a728a9.jpg"],"description":"Wossner forged high-compression piston kit with a 77mm bore size (76.96mm actual). This two-ring piston features a hard Teflon skirt coating for improved fit and bore conformity and an elliptical design for even load distribution. Manufactured in Germany, it enhances combustion efficiency and strength. Specifications include a 250 cm&sup3; displacement, 53.60 mm stroke, 0.04 mm clearance, 14.20:1 compression ratio (Wossner) and 13.50:1 (OEM), -1.70 cm&sup3; dome volume, 19.60 mm compression height, CW16 lock part number, WP070 pin part number, and 770XAS ring set part number. Cross-reference OEM part numbers: 13001-0125, 40020M07700. Weight: 224g.","descriptionMarkdown":"### Wossner Forged High-Compression Piston Kit - 77mm Bore\n\nEnhance the performance of your motorcycle with this premium Wossner forged high-compression piston kit. Engineered for superior strength and efficiency, this kit is designed to deliver optimal power and durability. It features a precise 77mm bore size (76.96mm actual) and a two-ring configuration, contributing to improved combustion efficiency and robust performance under demanding conditions. The piston boasts an advanced elliptical design that ensures balanced load distribution, even during thermal expansion, promoting consistent operation and extended engine life. Manufactured in Germany to exacting standards, this piston kit represents top-tier engineering and quality.\n\n**Key Features:**\n\n- Forged high-compression piston design for increased power output.\n\n- Two-ring configuration optimized for combustion efficiency and strength.\n\n- Elliptical piston profile ensures balanced thrust load distribution.\n\n- Engineered for effective heat transfer to cylinder walls, maintaining optimal operating temperatures.\n\n- Features a hard Teflon skirt coating for improved fitment and superior bore adaptability.\n\n- Precision manufactured in Germany, guaranteeing high quality and reliability.\n\n**Specifications:**\n\n- Bore Size: 77mm (actual 76.96mm)\n\n- Stroke: 53.60 mm\n\n- Clearance: 0.04 mm\n\n- Compression Ratio (Wossner): 14.20:1\n\n- Compression Ratio (OEM): 13.50:1\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","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-a-wossner-8816da-kawasaki-hc-13001-0125","buyOneNow":"https://www.2brosparts.com/api/agent/checkout/GB/95217f63d369:1","basketWithThis":"https://www.2brosparts.com/api/agent/basket/GB/95217f63d369:1"}},"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."]}}