{"about":"Prices are for United Kingdom in GBP. Every URL here is a plain path you can fetch directly.","product":{"basketKey":"0778d6687a42","name":"PISTON KIT 05-07 YZF250 77.00, WOSSNER 8612DC 2-RING","sku":"56-W188.C.WO","brand":"Wossner","mpn":null,"gtin":null,"condition":"new","inStock":true,"stock":1,"price":{"amount":182.4,"formatted":"£182.40"},"summary":"Wossner 8612DC Piston Kit with a 77.00mm bore. This piston kit features Wossner forged pistons known for superior strength and design, engineered for efficient combustion chamber heat transfer to cylinder walls. It has an elliptical design for a more uniform bearing surface under piston heat expansion, preventing collapse. Made in Germany. Includes lock CW16, pin WP059, and ring set 770XAS-2 (2 Rings). Specifications: Displacement 249 cm³, Hub Stroke 53.6mm, Clearance 0.04mm, Compression Ratio OEM specified (12.50:1), Dome Volume -2.80cm³, Compression Height 22.20mm. Theoretical weight not provided.","attributes":[{"label":"General Product Group","value":"Engine"},{"label":"General Product Type","value":"Pistons & Kits"},{"label":"General Size","value":"77mm"},{"label":"Variant Id","value":"254913"}],"image":"https://www.oro2u.com/media/catalog/product/s/t/stock53859_1.jpg","images":["https://www.oro2u.com/media/catalog/product/s/t/stock53859_1.jpg","https://www.oro2u.com/media/catalog/product/s/t/stock53859_2.jpg","https://www.oro2u.com/media/catalog/product/s/t/stock53859_3.jpg","https://www.oro2u.com/media/catalog/product/s/t/stock53859_4.jpg"],"description":"Wossner 8612DC Piston Kit with a 77.00mm bore. This piston kit features Wossner forged pistons known for superior strength and design, engineered for efficient combustion chamber heat transfer to cylinder walls. It has an elliptical design for a more uniform bearing surface under piston heat expansion, preventing collapse. Made in Germany. Includes lock CW16, pin WP059, and ring set 770XAS-2 (2 Rings). Specifications: Displacement 249 cm³, Hub Stroke 53.6mm, Clearance 0.04mm, Compression Ratio OEM specified (12.50:1), Dome Volume -2.80cm³, Compression Height 22.20mm. Theoretical weight not provided.","descriptionMarkdown":"### Wossner Forged Piston Kit - 77.02mm Bore\n\n Enhance your engine's performance and durability with this high-quality Wossner forged piston kit. Engineered for precision and strength, this kit is designed to meet the demands of high-performance riding.\n\n The Wossner 8612DC piston features a 77.02mm bore, offering a slight increase over standard specifications.\n\n### Key Features:\n\n \n- Superior Strength: Wossner forged pistons are renowned for their exceptional strength and advanced design, ensuring longevity and reliability.\n \n- Efficient Heat Transfer: Specifically engineered to optimize combustion chamber heat transfer to the cylinder walls, promoting consistent engine operation.\n \n- Elliptical Design: The piston's elliptical shape provides a more uniform bearing surface, even under extreme heat expansion. This intelligent design helps prevent piston collapse and maintains optimal performance.\n \n- Made in Germany: Manufactured with precision and quality control standards synonymous with German engineering.\n\n### Specifications:\n\n \n- Bore: 77.02mm (+0.02mm)\n \n- Displacement: 249 cm&sup3;\n \n- Stroke: 53.6mm\n \n- Clearance: 0.04mm\n \n- Compression Ratio: 12.50:1 (OEM Specified)\n \n- Dome Volume: -2.80cm&sup3;\n \n- Compression Height: 22.20mm\n \n- Included Rings: 2\n\n### Included Components:\n\n \n- Piston\n \n- Lock: CW16\n \n- Pin: WP059\n \n- Ring Set: 770XAS-2 (2 Rings)","weightGrams":null,"fitments":[{"make":"GAS-GAS","model":"EC F 250","cc":null,"notes":null,"years":"2010–2015"},{"make":"YAMAHA","model":"WR 250F","cc":null,"notes":null,"years":"2001–2013"},{"make":"YAMAHA","model":"WRF 250","cc":null,"notes":null,"years":"2001–2013"},{"make":"YAMAHA","model":"YZ 250F","cc":null,"notes":null,"years":"2001–2007"},{"make":"YAMAHA","model":"YZF 250","cc":null,"notes":null,"years":"2001–2007"}],"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-05-07-yzf250-7700-wossner-8612dc-2-ring","buyOneNow":"https://www.2brosparts.com/api/agent/checkout/GB/0778d6687a42:1","basketWithThis":"https://www.2brosparts.com/api/agent/basket/GB/0778d6687a42:1"}},"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."]}}