{"about":"Prices are for United Kingdom in GBP. Every URL here is a plain path you can fetch directly.","product":{"basketKey":"2aa947484f45","name":"PISTON KIT 94-96 YZ125 54.00 B, WOSSNER 8116DB YAMAHA MX","sku":"56-W647+00B.WO","brand":"Wossner","mpn":null,"gtin":null,"condition":"new","inStock":true,"stock":1,"price":{"amount":115.06,"formatted":"£115.06"},"summary":"Wossner Piston Kit 8116DB is a +0.01 oversize forged piston with a 54.01mm bore, engineered for Yamaha YZ125 models. Manufactured in Germany, this piston offers exceptional strength and efficient heat management. Its elliptical profile supports uniform load distribution during heat expansion, reducing localised stress and improving engine reliability under demanding conditions. Features include forged construction for durability, an elliptical piston design to evenly distribute thrust loads during thermal expansion, and efficient heat transfer to cylinder walls. Specifications: Bore 54.01 mm, Actual Piston Diameter 53.95 mm, Stroke 54.50 mm, Displacement 124 cm³, Clearance 0.06 mm, Compression Height 28.00 mm, Wossner Compression Ratio 2-stroke, OEM Compression Ratio 2-stroke. Cross-reference OEM part numbers include Wossner Piston: 8116DB, Lock: CW16, Pin: WP036, Ring Set: RSB5400, Rod: P2047. Internal Part No: 56-W647+00B.WO. Weight: 182 grams.","attributes":[{"label":"General Product Group","value":"Engine"},{"label":"General Product Type","value":"Pistons & Kits"},{"label":"General Size","value":"54.00 mm"},{"label":"Variant Id","value":"257314"}],"image":"https://www.oro2u.com/media/catalog/product/s/t/stock56260_1.jpg","images":["https://www.oro2u.com/media/catalog/product/s/t/stock56260_1.jpg","https://www.oro2u.com/media/catalog/product/s/t/stock56260_2.jpg","https://www.oro2u.com/media/catalog/product/s/t/stock56260_3.jpg","https://www.oro2u.com/media/catalog/product/s/t/stock56260_4.jpg"],"description":"Wossner Piston Kit 8116DB is a +0.01 oversize forged piston with a 54.01mm bore, engineered for Yamaha YZ125 models. Manufactured in Germany, this piston offers exceptional strength and efficient heat management. Its elliptical profile supports uniform load distribution during heat expansion, reducing localised stress and improving engine reliability under demanding conditions. Features include forged construction for durability, an elliptical piston design to evenly distribute thrust loads during thermal expansion, and efficient heat transfer to cylinder walls. Specifications: Bore 54.01 mm, Actual Piston Diameter 53.95 mm, Stroke 54.50 mm, Displacement 124 cm³, Clearance 0.06 mm, Compression Height 28.00 mm, Wossner Compression Ratio 2-stroke, OEM Compression Ratio 2-stroke. Cross-reference OEM part numbers include Wossner Piston: 8116DB, Lock: CW16, Pin: WP036, Ring Set: RSB5400, Rod: P2047. Internal Part No: 56-W647+00B.WO. Weight: 182 grams.","descriptionMarkdown":"### Wossner Forged Piston Kit for Yamaha YZ125\n\nThis Wossner Piston Kit is a high-performance upgrade designed for enhanced strength and reliability. Engineered with a forged construction, this piston offers superior durability for demanding riding conditions. Its specialized elliptical profile is crucial for managing thermal expansion, ensuring uniform load distribution and reducing stress on critical engine components. Precision manufactured in Germany, this kit promotes efficient heat transfer to the cylinder walls, contributing to optimal engine performance and longevity.\n\n### Key Features:\n\n\t\n- Forged Construction: Provides exceptional strength and resilience for high-stress environments.\n\t\n- Elliptical Piston Design: Optimizes thrust load distribution during thermal expansion, enhancing reliability.\n\t\n- Efficient Heat Transfer: Facilitates effective heat dissipation to the cylinder walls for improved performance.\n\t\n- German Engineering: Manufactured to exacting standards for precision and quality.\n\n### Specifications:\n\n\t\n- Bore: 54.01 mm\n\t\n- Actual Piston Diameter: 53.95 mm\n\t\n- Stroke: 54.50 mm\n\t\n- Displacement: 124 cm&sup3;\n\t\n- Clearance: 0.06 mm\n\t\n- Compression Height: 28.00 mm\n\t\n- Wossner Compression Ratio: 2-stroke\n\t\n- OEM Compression Ratio: 2-stroke\n\n### Included Components:\n\n\t\n- Piston\n\t\n- Lock (CW16)\n\t\n- Pin (WP036)\n\t\n- Ring Set (RSB5400)","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-94-96-yz125-5400-b-wossner-8116db-yamaha-mx","buyOneNow":"https://www.2brosparts.com/api/agent/checkout/GB/2aa947484f45:1","basketWithThis":"https://www.2brosparts.com/api/agent/basket/GB/2aa947484f45:1"}},"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."]}}