{"about":"Prices are for United Kingdom in GBP. Every URL here is a plain path you can fetch directly.","product":{"basketKey":"eb5f8b24c019","name":"PISTON KIT 88-90 MTX125 56.00, WOSSNER 8190DB HONDA ROAD","sku":"56-W905.B","brand":"Wossner","mpn":null,"gtin":null,"condition":"new","inStock":true,"stock":1,"price":{"amount":122.21,"formatted":"£122.21"},"summary":"Wossner forged piston kit 8190DB is a +0.01mm oversized piston with a 56.01mm bore and high-precision design, offering excellent strength, thermal efficiency, and reliability for standard rebuild applications. This piston is forged for superior mechanical strength and features an elliptical profile for a uniform bearing surface under thermal expansion. It is designed for optimized heat dissipation and even distribution of thrust loads, reducing the risk of piston collapse. Made in Germany, this piston meets the demanding requirements of high-performance engines. Specifications include a bore measurement of 55.97mm, display volume of 124 cm&sup3;, stroke of 50.60mm, clearance of 0.04mm, and compression height of 30.60mm. This is a 2-stroke piston. Part number 56-W905.B, Wossner piston for Honda MTX125 with 56.01 mm bore, PN# 8190DB. Includes lock P/N CW16, pin P/N WP036, and ring set P/N RSB5600 x 2.","attributes":[{"label":"General Product Group","value":"Engine"},{"label":"General Product Type","value":"Pistons & Kits"},{"label":"General Size","value":"56.00mm"},{"label":"Variant Id","value":"258184"}],"image":"https://www.oro2u.com/media/catalog/product/s/t/stock57130_1.jpg","images":["https://www.oro2u.com/media/catalog/product/s/t/stock57130_1.jpg","https://www.oro2u.com/media/catalog/product/s/t/stock57130_2.jpg","https://www.oro2u.com/media/catalog/product/s/t/stock57130_3.jpg","https://www.oro2u.com/media/catalog/product/s/t/stock57130_4.jpg"],"description":"Wossner forged piston kit 8190DB is a +0.01mm oversized piston with a 56.01mm bore and high-precision design, offering excellent strength, thermal efficiency, and reliability for standard rebuild applications. This piston is forged for superior mechanical strength and features an elliptical profile for a uniform bearing surface under thermal expansion. It is designed for optimized heat dissipation and even distribution of thrust loads, reducing the risk of piston collapse. Made in Germany, this piston meets the demanding requirements of high-performance engines. Specifications include a bore measurement of 55.97mm, display volume of 124 cm&sup3;, stroke of 50.60mm, clearance of 0.04mm, and compression height of 30.60mm. This is a 2-stroke piston. Part number 56-W905.B, Wossner piston for Honda MTX125 with 56.01 mm bore, PN# 8190DB. Includes lock P/N CW16, pin P/N WP036, and ring set P/N RSB5600 x 2.","descriptionMarkdown":"### Wossner 8190DB Forged Piston Kit for Honda MTX 125 RALLY\n\nThis Wossner forged piston kit, part number 8190DB, is precision-engineered for Honda MTX 125 RALLY models produced between 1988 and 1990. Designed as a +0.01mm oversized replacement, this kit features a 56.01mm bore and offers superior strength, efficient thermal management, and reliable performance for standard engine rebuilds. Manufactured in Germany, this high-quality piston is built to meet the rigorous demands of performance-oriented engines.\n\n### Key Features:\n\n \n- Forged Construction: Delivers exceptional mechanical strength for enhanced durability.\n \n- Elliptical Piston Profile: Ensures a consistent bearing surface, adapting to thermal expansion for optimal performance.\n \n- Optimised Heat Dissipation: Efficiently transfers heat from the combustion chamber to the cylinder walls, improving thermal stability.\n \n- Even Thrust Load Distribution: Minimizes the risk of piston collapse by distributing thrust forces uniformly.\n \n- Premium Quality: Proudly made in Germany for guaranteed quality and reliability.\n\n### Specifications:\n\n \n- Bore Diameter: 56.01mm (Measured: 55.97mm)\n \n- Display Volume: 124 cm&sup3;\n \n- Stroke: 50.60mm\n \n- Piston Clearance: 0.04mm\n \n- Compression Height: 30.60mm\n \n- Wossner Compression Ratio: 2-stroke\n \n- OEM Compression Ratio: 2-stroke\n \n- Wossner Part Number: 8190DB\n \n- Lock Ring Part Number: CW16\n \n- Piston Pin Part Number: WP036\n \n- Ring Set Part Number: RSB5600 (Quantity: 2)","weightGrams":null,"fitments":[{"make":"HONDA","model":"MTX 125","cc":null,"notes":null,"years":"1988–1990"},{"make":"HONDA","model":"MTX RALLY 125","cc":null,"notes":null,"years":"1988–1999"}],"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-88-90-mtx125-5600-wossner-8190db-honda-road","buyOneNow":"https://www.2brosparts.com/api/agent/checkout/GB/eb5f8b24c019:1","basketWithThis":"https://www.2brosparts.com/api/agent/basket/GB/eb5f8b24c019:1"}},"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."]}}