{"about":"Prices are for United Kingdom in GBP. Every URL here is a plain path you can fetch directly.","product":{"basketKey":"86531bdd860e","name":"PISTON KIT 01-04 YFM660 101.00, WOSSNER 8507D100 YAMAHA ATV","sku":"56-W8507+100.WO","brand":"Wossner","mpn":null,"gtin":null,"condition":"new","inStock":true,"stock":1,"price":{"amount":231.1,"formatted":"£231.10"},"summary":"Wossner Piston Kit 8507D100 (+1.00) with a 101mm bore (oversize +1.00). Features a forged design for enhanced durability and strength, optimised heat transfer from the combustion chamber to cylinder walls, and an elliptical profile that distributes load evenly and reduces the risk of piston collapse. Manufactured in Germany. Specifications: Bore: 101.00 mm, Measured Bore: 100.93 mm, Clearance: 0.07 mm, Compression Ratio: OEM, OEM Compression Ratio: 9.20:1, Dome Volume: -0.30 cm³, Compression Height: 27.00 mm, Display: 660 cm³, Hub Stroke: 84.00 mm. Part No.: 56-W8507+100.WO.","attributes":[{"label":"General Product Group","value":"Engine"},{"label":"General Product Type","value":"Pistons & Kits"},{"label":"General Size","value":"101.00mm"},{"label":"Variant Id","value":"258048"}],"image":"https://www.oro2u.com/media/catalog/product/s/t/stock56994_1.jpg","images":["https://www.oro2u.com/media/catalog/product/s/t/stock56994_1.jpg","https://www.oro2u.com/media/catalog/product/s/t/stock56994_2.jpg","https://www.oro2u.com/media/catalog/product/s/t/stock56994_3.jpg","https://www.oro2u.com/media/catalog/product/s/t/stock56994_4.jpg"],"description":"Wossner Piston Kit 8507D100 (+1.00) with a 101mm bore (oversize +1.00). Features a forged design for enhanced durability and strength, optimised heat transfer from the combustion chamber to cylinder walls, and an elliptical profile that distributes load evenly and reduces the risk of piston collapse. Manufactured in Germany. Specifications: Bore: 101.00 mm, Measured Bore: 100.93 mm, Clearance: 0.07 mm, Compression Ratio: OEM, OEM Compression Ratio: 9.20:1, Dome Volume: -0.30 cm³, Compression Height: 27.00 mm, Display: 660 cm³, Hub Stroke: 84.00 mm. Part No.: 56-W8507+100.WO.","descriptionMarkdown":"### Wossner Forged Piston Kit for Yamaha 660cc Engines\n\nEnhance the performance and durability of your Yamaha 660cc engine with this high-quality Wossner Forged Piston Kit. Engineered for precision and built to last, this kit is ideal for high-performance and heavy-duty applications. Manufactured in Germany, Wossner pistons are renowned for their superior metallurgy and advanced design.\n\n**Key Features:**\n\n \n- Forged Construction: Provides exceptional strength and durability, ensuring reliable performance under demanding conditions.\n \n- Optimized Thermal Performance: Designed for efficient heat transfer from the combustion chamber to the cylinder walls, helping to maintain optimal operating temperatures.\n \n- Elliptical Piston Profile: Ensures uniform thrust load distribution, reducing stress on the piston and minimizing the risk of piston collapse.\n \n- Precision Engineering: Manufactured with exacting tolerances for a perfect fit and optimal engine function.\n \n- Made in Germany: Guarantees high standards of quality and craftsmanship.\n\n**Specifications:**\n\n \n- Bore Size: 101.00 mm (Oversize +1.00)\n \n- Measured Bore: 100.93 mm\n \n- Piston Clearance: 0.07 mm\n \n- Compression Ratio: OEM\n \n- OEM Compression Ratio: 9.20:1\n \n- Dome Volume: -0.30 cm&sup3;\n \n- Compression Height: 27.00 mm\n \n- Engine Displacement: 660 cm&sup3;\n \n- Stroke: 84.00 mm\n \n- Piston Kit Model: 8507D100 (+1.00)","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-01-04-yfm660-10100-wossner-8507d100-yamaha-atv","buyOneNow":"https://www.2brosparts.com/api/agent/checkout/GB/86531bdd860e:1","basketWithThis":"https://www.2brosparts.com/api/agent/basket/GB/86531bdd860e: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."]}}