{"about":"Prices are for United Kingdom in GBP. Every URL here is a plain path you can fetch directly.","product":{"basketKey":"9fd4b169d44e","name":"PISTON KIT XT TT SR 500 88.00, FORGED WOSSNER 8505D100","sku":"56-W4045+100","brand":"Wossner","mpn":null,"gtin":null,"condition":"new","inStock":true,"stock":2,"price":{"amount":231.1,"formatted":"£231.10"},"summary":"Wossner forged piston kit with 88.00 mm bore size for European Yamaha XT500, TT500, and SR500 models. Manufactured in Germany, this piston offers superior strength and heat transfer efficiency due to its forged construction and elliptical design, ensuring even load distribution and preventing piston collapse. Specifications include 87.93 mm actual bore, 84.00 mm stroke, 0.07 mm clearance, 29.00 mm compression height, +13.70 cm&sup3; dome volume, 9.80:1 compression ratio, 449 cm&sup3; displacement, and it is designed for 4-stroke engines. Wossner Part No. 8505D100.","attributes":[{"label":"General Product Group","value":"Engine"},{"label":"General Product Type","value":"Pistons & Kits"},{"label":"General Size","value":"88mm"},{"label":"Variant Id","value":"255512"}],"image":"https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/56-W4045_2B100/eb365d8df505b35d.jpg","images":["https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/56-W4045_2B100/eb365d8df505b35d.jpg","https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/56-W4045_2B100/0882a9416db4266e.jpg","https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/56-W4045_2B100/29042ad563037e82.jpg","https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/56-W4045_2B100/b6a7d1f6e2a758bc.jpg"],"description":"Wossner forged piston kit with 88.00 mm bore size for European Yamaha XT500, TT500, and SR500 models. Manufactured in Germany, this piston offers superior strength and heat transfer efficiency due to its forged construction and elliptical design, ensuring even load distribution and preventing piston collapse. Specifications include 87.93 mm actual bore, 84.00 mm stroke, 0.07 mm clearance, 29.00 mm compression height, +13.70 cm&sup3; dome volume, 9.80:1 compression ratio, 449 cm&sup3; displacement, and it is designed for 4-stroke engines. Wossner Part No. 8505D100.","descriptionMarkdown":"### Wossner Forged Piston Kit for Yamaha XT TT SR 500\n\nUpgrade your Yamaha XT500, TT500, or SR500 with this high-performance Wossner forged piston kit. Expertly manufactured in Germany, this piston is engineered for superior strength, durability, and optimal heat transfer, providing a significant performance advantage for your 4-stroke engine.\n\nThe advanced forged construction ensures exceptional resilience under demanding conditions, while the innovative elliptical design promotes even load distribution across the bearing surface. This reduces localized pressure and wear, preventing premature component failure and extending the life of your engine.\n\n**Key Features:**\n\n\t\n- Robust forged construction for enhanced strength and longevity.\n\t\n- Designed for efficient heat transfer to optimize engine performance.\n\t\n- Elliptical piston design for uniform load distribution and reduced wear.\n\t\n- Specifically for 4-stroke engine applications.\n\n**Specifications:**\n\n\t\n- Bore Size: 88.00 mm\n\t\n- Actual Bore: 87.93 mm\n\t\n- Stroke: 84.00 mm\n\t\n- Clearance: 0.07 mm\n\t\n- Compression Height: 29.00 mm\n\t\n- Dome Volume: +13.70 cm&sup3;\n\t\n- Compression Ratio: 9.80:1 (compared to OEM 9.00:1)\n\t\n- Displacement: 449 cm&sup3;\n\t\n- Origin: Made in Germany\n\n**Includes:**\n\n\t\n- Wossner Piston Part Number: 8505D100\n\t\n- Lock Piston Rings Part Number: CW20\n\t\n- Pin Part Number: WP052\n\t\n- Ring Set Part Number: 880XSY","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-xt-tt-sr-500-8800-forged-wossner-8505d100","buyOneNow":"https://www.2brosparts.com/api/agent/checkout/GB/9fd4b169d44e:1","basketWithThis":"https://www.2brosparts.com/api/agent/basket/GB/9fd4b169d44e: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."]}}