{"about":"Prices are for United Kingdom in GBP. Every URL here is a plain path you can fetch directly.","product":{"basketKey":"0401fa6e3580","name":"PISTON KIT SET/4 YZF1000 07-08, WOSSNER K8753DA-4 YAMAHA","sku":"56-W9901.000.WO","brand":"Wossner","mpn":null,"gtin":null,"condition":"new","inStock":true,"stock":1,"price":{"amount":793.43,"formatted":"£793.43"},"summary":"Set of 4 forged Wossner pistons for Yamaha R1 YZF1000 2007-2008. Standard bore size 77.00mm, actual piston diameter 76.96mm. Features an elliptical design for consistent pressure distribution under heat expansion and improved heat transfer to cylinder walls. Manufactured in Germany. Part Number: K8753DA-4. Bore Size: 77.00mm. Displacement: 1000cc (998cm³). Stroke: 58.00mm. Clearance: 0.05mm. Wossner Compression Ratio: 10.20:1. OEM Compression Ratio: 11.80:1. Dome Volume: -2.60cm³. Compression Height: 22.80mm. Includes cross-reference for Clip: CW17, Piston Pin: WP111, and Replacement Ring Set: RIK77.00D3.","attributes":[{"label":"General Product Group","value":"Engine"},{"label":"General Product Type","value":"Pistons & Kits"},{"label":"Variant Id","value":"259117"}],"image":"https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/56-W9901_2E000_2EWO/f703bd78a2d2ab93.jpg","images":["https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/56-W9901_2E000_2EWO/f703bd78a2d2ab93.jpg"],"description":"Set of 4 forged Wossner pistons for Yamaha R1 YZF1000 2007-2008. Standard bore size 77.00mm, actual piston diameter 76.96mm. Features an elliptical design for consistent pressure distribution under heat expansion and improved heat transfer to cylinder walls. Manufactured in Germany. Part Number: K8753DA-4. Bore Size: 77.00mm. Displacement: 1000cc (998cm³). Stroke: 58.00mm. Clearance: 0.05mm. Wossner Compression Ratio: 10.20:1. OEM Compression Ratio: 11.80:1. Dome Volume: -2.60cm³. Compression Height: 22.80mm. Includes cross-reference for Clip: CW17, Piston Pin: WP111, and Replacement Ring Set: RIK77.00D3.","descriptionMarkdown":"### Wossner Forged Piston Kit for Yamaha YZF1000\n\nEnhance the performance and longevity of your Yamaha YZF1000 with this Wossner forged piston kit. Engineered for high-performance applications, this set of four pistons is designed to meet the demands of serious riders. Manufactured in Germany, Wossner pistons are renowned for their precision and durability.\n\n**Key Features:**\n\n \n- Set of 4 high-quality forged Wossner pistons\n \n- Standard bore size of 77.00mm (actual piston diameter 76.96mm)\n \n- Elliptical piston design to manage thrust loads and heat expansion\n \n- Optimized for improved thermal efficiency and strength\n \n- Precision manufacturing in Germany ensures top-tier quality\n\n**Specifications:**\n\n \n- Part Number: K8753DA-4\n \n- Bore Size: 77.00mm\n \n- Actual Piston Diameter: 76.96mm\n \n- Engine Displacement: 1000cc\n \n- Displayed Displacement: 998cm³\n \n- Stroke: 58.00mm\n \n- Piston to Cylinder Clearance: 0.05mm\n \n- Wossner Compression Ratio: 10.20:1\n \n- OEM Compression Ratio: 11.80:1\n \n- Dome Volume: -2.60cm³\n \n- Compression Height: 22.80mm\n\n**Included Components & Replacements:**\n\n \n- Piston Clips: CW17\n \n- Piston Pins: WP111\n \n- Replacement Ring Set: RIK77.00D3","weightGrams":null,"fitments":[],"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-set4-yzf1000-07-08-wossner-k8753da-4-yamaha","buyOneNow":"https://www.2brosparts.com/api/agent/checkout/GB/0401fa6e3580:1","basketWithThis":"https://www.2brosparts.com/api/agent/basket/GB/0401fa6e3580:1"}},"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."]}}