{"about":"Prices are for United Kingdom in GBP. Every URL here is a plain path you can fetch directly.","product":{"basketKey":"a0e7c090571b","name":"TOP END PISTON & GASKET KIT 77MM YAMAHA WR/YZ 250 14-15, ATHENA P5F0770187008A, SET A","sku":"56-T1005.A_ATH","brand":"Athena","mpn":null,"gtin":null,"condition":"new","inStock":true,"stock":1,"price":{"amount":224.71,"formatted":"£224.71"},"summary":"ATHENA Top End Piston Kit with Forged 4-Stroke Piston and Top End Gasket Kit. Piston diameter is 76.96 mm. The kit combines two essential engine components for high performance and reliability. Pistons are made from a special high-performance aluminum alloy with high silicon content, produced using state-of-the-art numerical control (CNC) machines. Some pistons feature a molybdenum disulfide coating on the skirts to reduce friction. Piston rings are Made in Japan with wear-resistant coatings (PVD or chromium nitride) for increased durability. Gasket kits are produced with strict adherence to manufacturer parameters, utilizing laser cutting for precision. Technical features include: Big End Pin Diameter (mm) 16x10x42, Bore Diameter (mm) 76.96, Compression Height (mm) 20.40, Compression Ratio 13.5:1, Displacement (cc) 250, Number Of Segments 2, Piston Pin Type Standard, Piston Type Forged. For competitive use.","attributes":[{"label":"Variant Id","value":"309787"}],"image":"https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/56-T1005_2EA_5FATH/46da7dc4f86cd1f3.jpg","images":["https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/56-T1005_2EA_5FATH/46da7dc4f86cd1f3.jpg"],"description":"ATHENA Top End Piston Kit with Forged 4-Stroke Piston and Top End Gasket Kit. Piston diameter is 76.96 mm. The kit combines two essential engine components for high performance and reliability. Pistons are made from a special high-performance aluminum alloy with high silicon content, produced using state-of-the-art numerical control (CNC) machines. Some pistons feature a molybdenum disulfide coating on the skirts to reduce friction. Piston rings are Made in Japan with wear-resistant coatings (PVD or chromium nitride) for increased durability. Gasket kits are produced with strict adherence to manufacturer parameters, utilizing laser cutting for precision. Technical features include: Big End Pin Diameter (mm) 16x10x42, Bore Diameter (mm) 76.96, Compression Height (mm) 20.40, Compression Ratio 13.5:1, Displacement (cc) 250, Number Of Segments 2, Piston Pin Type Standard, Piston Type Forged. For competitive use.","descriptionMarkdown":"### Athena Top End Piston and Gasket Kit\n\nThis Athena Top End Piston Kit provides a perfectly matched forged 4-stroke piston and top end gasket set, designed for optimal engine performance and reliability. Athena internally develops and tests all piston technologies and compatible gaskets, ensuring a high-performance and dependable engine rebuild.\n\n#### Key Features\n\n \n- Forged Piston: Manufactured using advanced numerical control (CNC) machines from a special high-performance aluminum alloy with a high silicon content for enhanced durability and performance, matching OE reliability.\n \n- Smooth Piston Profile: Ensures regular airflow and proper flame propagation for efficient combustion.\n \n- Molybdenum Disulfide Coating: Some pistons feature this coating on the skirts to reduce friction, further boosting performance and longevity.\n \n- High-Quality Piston Rings: Made in Japan with wear-resistant coatings (PVD or chromium nitride) for reduced cylinder friction and increased durability.\n \n- Reliable Gasket Kit: Developed with over 40 years of industry experience, Athena gasket kits utilize advanced technology and strict manufacturing parameters. Laser cutting ensures precision.\n \n- Advanced Material Treatments: Gaskets incorporate surface treatments to address irregularities and material stress-relieving processes for improved sealing in critical areas.\n\n#### Technical Specifications\n\n \n- Big End Pin Diameter: 16x10x42 mm\n \n- Bore Diameter: 76.96 mm\n \n- Compression Height: 20.40 mm\n \n- Compression Ratio: 13.5:1\n \n- Displacement: 250 cc\n \n- Number Of Segments: 2\n \n- Piston Pin Type: Standard\n \n- Piston Type: Forged","weightGrams":null,"fitments":[],"collections":[],"links":{"page":"https://www.2brosparts.com/products/top-end-piston-gasket-kit-77mm-yamaha-wryz-250-14-15-athena-p5f0770187008a-set-a","buyOneNow":"https://www.2brosparts.com/api/agent/checkout/GB/a0e7c090571b:1","basketWithThis":"https://www.2brosparts.com/api/agent/basket/GB/a0e7c090571b: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."]}}