{"about":"Prices are for United Kingdom in GBP. Every URL here is a plain path you can fetch directly.","product":{"basketKey":"b8dce76a48c1","name":"CYLINDER FULL KIT 78mm KAWASAKI KX 250 2021-24, ATHENA P400250100028 STD BORE, (Piston included)","sku":"56-K313.78.CKA","brand":"Athena","mpn":null,"gtin":null,"condition":"new","inStock":true,"stock":1,"price":{"amount":531.9,"formatted":"£531.90"},"summary":"ATHENA Standard Bore Cylinder Kit, 78mm bore diameter, 250cc displacement. Features a lightweight aluminium cylinder with motor-nikasil nickel-silicon coating for smoothness and wear resistance. Includes a complete piston with pin and rings, and all necessary gaskets. Designed to withstand high temperatures, pressures, and stresses. Can be installed without engine crankcase modifications. Compression Ratio 14.1:1.","attributes":[{"label":"Variant Id","value":"322654"}],"image":"https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/56-K313_2E78_2ECKA/72fa6b235554d054.jpg","images":["https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/56-K313_2E78_2ECKA/72fa6b235554d054.jpg"],"description":"ATHENA Standard Bore Cylinder Kit, 78mm bore diameter, 250cc displacement. Features a lightweight aluminium cylinder with motor-nikasil nickel-silicon coating for smoothness and wear resistance. Includes a complete piston with pin and rings, and all necessary gaskets. Designed to withstand high temperatures, pressures, and stresses. Can be installed without engine crankcase modifications. Compression Ratio 14.1:1.","descriptionMarkdown":"### Athena Standard Bore Cylinder Kit - 78mm, 250cc\n\nThis Athena Standard Bore Cylinder Kit is engineered for optimal performance and durability. Designed as a direct replacement, this kit ensures your engine runs as smoothly and reliably as it did when new. Athena has invested over a decade in developing aftermarket cylinder replacement parts, focusing on enhanced production and performance through continuous innovation.\n\nAll Athena cylinders are meticulously engineered in Italy by their expert R&D Department, utilizing advanced internal knowledge and state-of-the-art design and testing tools. The cylinders are coated with Motor-Nikasil, a proprietary nickel-silicon coating developed by Athena. This coating provides exceptional smoothness and superior wear resistance, contributing to the longevity of the component.\n\nAthena's cylinder kits and their individual parts are globally recognized for their outstanding performance, exceptional durability, and unwavering reliability. The Standard Bore cylinder kit offers the same performance characteristics as original spare parts, providing extreme reliability and optimal smoothness. This is achieved through the use of a lightweight aluminum cylinder, a barrel featuring the advanced nickel-silicon coating, and a specially designed piston engineered to minimize friction.\n\nThis comprehensive kit includes a high-quality aluminum cylinder with a standard bore, a complete piston assembly with piston pin and rings, and all the necessary gaskets for a straightforward installation. Every component within this kit has been developed to withstand extreme temperatures, pressures, and stresses. Athena technicians have rigorously validated these components through demanding bench and track testing.\n\n**Key Features:**\n\n \n- Standard Bore Diameter: 78.00 mm\n \n- Engine Displacement: 250 cc\n \n- Compression Ratio: 14.1:1\n \n- Lightweight aluminum cylinder construction\n \n- Barrel coated with durable Motor-Nikasil for smoothness and wear resistance\n \n- Piston designed for reduced friction\n \n- Includes complete piston assembly and all necessary gaskets\n \n- Engineered and manufactured in Italy\n \n- Tested for high temperatures, pressures, and stresses\n \n- Installation does not require modifications to the engine crankcase\n\n**Important Note:** All Athena products must be used in strict compliance with the specific national regulations of the member state in which they are marketed or sold. Athena disclaims all responsibility for any improper use.","weightGrams":null,"fitments":[],"collections":[],"links":{"page":"https://www.2brosparts.com/products/cylinder-full-kit-78mm-kawasaki-kx-250-2021-24-athena-p400250100028-std-bore-pis","buyOneNow":"https://www.2brosparts.com/api/agent/checkout/GB/b8dce76a48c1:1","basketWithThis":"https://www.2brosparts.com/api/agent/basket/GB/b8dce76a48c1:1"}},"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."]}}