{"about":"Prices are for United Kingdom in GBP. Every URL here is a plain path you can fetch directly.","product":{"basketKey":"088fd876df04","name":"PISTON KIT 90-93 YZ125 57.00, WOSSNER 8114D100 YAMAHA MX","sku":"56-W629+100.WO","brand":"Wossner","mpn":null,"gtin":null,"condition":"new","inStock":true,"stock":1,"price":{"amount":125.68,"formatted":"£125.68"},"summary":"The Wossner 8114D100 piston kit features a 57.00mm bore (actual 56.94mm) and is designed for exceptional strength and optimized heat transfer to the cylinder walls. The forged, elliptically designed piston ensures a uniform bearing surface during heat expansion, minimizing localized pressure and evenly distributing thrust loads to prevent piston collapse. Manufactured in Germany, this kit includes essential components for reliable engine performance. Features include forged piston construction for enhanced strength and durability, engineered for efficient combustion chamber heat transfer, elliptical design for a uniform bearing surface under thermal expansion, reduced localized pressure, and prevention of piston collapse. Made in Germany. Specifications include a bore size of 57.00mm (actual 56.94mm), 124cm&sup3; display, 50.70mm stroke, 0.06mm clearance, 2 stroke compression ratio (Wossner and OEM), and 28.00mm compression height. Cross-reference OEM part numbers include Wossner Piston Kit Part No: 8114D100, Lock Part No: CW16, Pin Part No: WP036, Ring Set Part No: RSB5700, and Rod Part No: P2047.","attributes":[{"label":"General Product Group","value":"Engine"},{"label":"General Product Type","value":"Pistons & Kits"},{"label":"General Size","value":"57.00mm"},{"label":"Variant Id","value":"257163"}],"image":"https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/56-W629_2B100_2EWO/5fce0804bf50051c.jpg","images":["https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/56-W629_2B100_2EWO/5fce0804bf50051c.jpg","https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/56-W629_2B100_2EWO/84365b88ea375919.jpg","https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/56-W629_2B100_2EWO/f344010b7183ede0.jpg","https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/56-W629_2B100_2EWO/37cda48f2528a582.jpg"],"description":"The Wossner 8114D100 piston kit features a 57.00mm bore (actual 56.94mm) and is designed for exceptional strength and optimized heat transfer to the cylinder walls. The forged, elliptically designed piston ensures a uniform bearing surface during heat expansion, minimizing localized pressure and evenly distributing thrust loads to prevent piston collapse. Manufactured in Germany, this kit includes essential components for reliable engine performance. Features include forged piston construction for enhanced strength and durability, engineered for efficient combustion chamber heat transfer, elliptical design for a uniform bearing surface under thermal expansion, reduced localized pressure, and prevention of piston collapse. Made in Germany. Specifications include a bore size of 57.00mm (actual 56.94mm), 124cm&sup3; display, 50.70mm stroke, 0.06mm clearance, 2 stroke compression ratio (Wossner and OEM), and 28.00mm compression height. Cross-reference OEM part numbers include Wossner Piston Kit Part No: 8114D100, Lock Part No: CW16, Pin Part No: WP036, Ring Set Part No: RSB5700, and Rod Part No: P2047.","descriptionMarkdown":"### Wossner 57.00mm Piston Kit for Yamaha YZ125\n\nUpgrade your Yamaha YZ125's performance and reliability with this high-quality Wossner piston kit. Engineered for strength and durability, this kit features a precisely manufactured forged piston designed to optimise engine operation.\n\n**Key Features:**\n\n \n- Forged Piston Construction: Provides exceptional strength and enhanced durability for demanding engine conditions.\n \n- Optimised Heat Transfer: Designed to efficiently transfer heat to the cylinder walls, promoting consistent engine temperature.\n \n- Elliptical Design: Ensures a uniform bearing surface during thermal expansion, minimising localised pressure and preventing piston collapse.\n \n- Even Thrust Load Distribution: The elliptical shape helps to evenly distribute thrust loads, contributing to smoother engine operation.\n \n- Manufactured in Germany: Guarantees precision engineering and high-quality standards.\n\n**Specifications:**\n\n \n- Bore Size: 57.00mm (Actual 56.94mm)\n \n- Stroke: 50.70mm\n \n- Clearance: 0.06mm\n \n- Compression Height: 28.00mm\n \n- Engine Displacement: 124cm&sup3;\n\n**Included Components:**\n\n \n- Wossner Piston Kit Part No: 8114D100\n \n- Lock Part No: CW16\n \n- Pin Part No: WP036\n \n- Ring Set Part No: RSB5700\n \n- Rod Part No: P2047","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-90-93-yz125-5700-wossner-8114d100-yamaha-mx","buyOneNow":"https://www.2brosparts.com/api/agent/checkout/GB/088fd876df04:1","basketWithThis":"https://www.2brosparts.com/api/agent/basket/GB/088fd876df04:1"}},"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."]}}