{"about":"Prices are for United Kingdom in GBP. Every URL here is a plain path you can fetch directly.","product":{"basketKey":"e822d4a2d964","name":"PISTON KIT 04-17 XT660R 100 C, FORGED WOSSNER 8617DC","sku":"56-W203.C.WO","brand":"Wossner","mpn":null,"gtin":null,"condition":"new","inStock":false,"stock":0,"price":{"amount":187.42,"formatted":"£187.42"},"summary":"Piston kit 100.02mm Bore 99.97 Wossner 8617DC (+0.02). Wossner forged pistons are superior in strength and design. Engineered to provide the best possible path for combustion chamber heat transfer to cylinder walls. Elliptically designed to provide a more uniform bearing surface under piston heat expansion, eliminating localized pressure and distributing thrust loads more evenly, thereby preventing piston collapse. Made in Germany. Part No. 56-W203.C.WO. Wossner Piston Yamaha XT660R. Lock P/N CW23. Pin P/N WP024. Ring Set P/N 1000XSY-3. Display (cm3) 660. Hub stroke (mm) 84.00. Clearance (mm) 0.05. Wossner compression Ratio: 10.70:1. OEM Compression ratio: 10.00:1. Dome volume (cm3) -0.30. Compression height (mm) 27.50. Theoretical weight (G) 528.","attributes":[{"label":"General Product Group","value":"Engine"},{"label":"General Product Type","value":"Pistons & Kits"},{"label":"General Size","value":"100mm"},{"label":"Variant Id","value":"254979"}],"image":"https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/56-W203_2EC_2EWO/3c0a8b2d0d6a1b9e.jpg","images":["https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/56-W203_2EC_2EWO/3c0a8b2d0d6a1b9e.jpg","https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/56-W203_2EC_2EWO/60ed693a2adf6aba.jpg","https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/56-W203_2EC_2EWO/2a8f36b35b926e02.jpg"],"description":"Piston kit 100.02mm Bore 99.97 Wossner 8617DC (+0.02). Wossner forged pistons are superior in strength and design. Engineered to provide the best possible path for combustion chamber heat transfer to cylinder walls. Elliptically designed to provide a more uniform bearing surface under piston heat expansion, eliminating localized pressure and distributing thrust loads more evenly, thereby preventing piston collapse. Made in Germany. Part No. 56-W203.C.WO. Wossner Piston Yamaha XT660R. Lock P/N CW23. Pin P/N WP024. Ring Set P/N 1000XSY-3. Display (cm3) 660. Hub stroke (mm) 84.00. Clearance (mm) 0.05. Wossner compression Ratio: 10.70:1. OEM Compression ratio: 10.00:1. Dome volume (cm3) -0.30. Compression height (mm) 27.50. Theoretical weight (G) 528.","descriptionMarkdown":"### Wossner Forged Piston Kit for Yamaha XT660R\n\nUpgrade your engine's performance and durability with this high-quality Wossner forged piston kit. Engineered for precision and strength, this piston kit is designed to meet the demands of performance motorcycle enthusiasts.\n\n### Key Features:\n\n \n- Forged Strength: Wossner forged pistons offer superior strength and reliability compared to cast pistons, ensuring longevity under high stress.\n \n- Optimized Heat Transfer: Designed to efficiently transfer combustion chamber heat to the cylinder walls, promoting optimal engine temperature management.\n \n- Elliptical Design: The piston features an elliptical shape that adapts to heat expansion, providing a more uniform bearing surface. This eliminates localized pressure and distributes thrust loads evenly, preventing piston collapse and ensuring consistent performance.\n \n- Precision Sizing: Includes a piston with a 100.02mm bore and a 99.97mm bore measurement, with a +0.02mm offset for precise fitting.\n \n- Performance Enhancement: Features a Wossner compression ratio of 10.70:1, compared to the OEM ratio of 10.00:1, for increased power output.\n \n- Quality Craftsmanship: Made in Germany, guaranteeing exceptional manufacturing standards.\n \n- Complete Kit: This kit includes the piston, lock pin (CW23), pin (WP024), and ring set (1000XSY-3) for a comprehensive engine rebuild.\n \n- Specific Dimensions: Includes details such as a 27.50mm compression height and -0.30 cm³ dome volume.","weightGrams":null,"fitments":[{"make":"YAMAHA","model":"MT-03 660","cc":null,"notes":null,"years":"2006–2011"},{"make":"YAMAHA","model":"XT 600","cc":null,"notes":null,"years":"2004–2011"},{"make":"YAMAHA","model":"XT R 660","cc":null,"notes":null,"years":"2004–2012"},{"make":"YAMAHA","model":"XT TENERE Z 660","cc":null,"notes":null,"years":"2008–2013"},{"make":"YAMAHA","model":"XT X 660","cc":null,"notes":null,"years":"2004–2011"},{"make":"YAMAHA","model":"XTZ 660","cc":null,"notes":null,"years":"2008–2013"},{"make":"YAMAHA","model":"XTZ TENERE 660","cc":null,"notes":null,"years":"2008–2013"}],"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-04-17-xt660r-100-c-forged-wossner-8617dc","buyOneNow":null,"basketWithThis":null}},"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."]}}