{"about":"Prices are for United Kingdom in GBP. Every URL here is a plain path you can fetch directly.","product":{"basketKey":"04eba63233b1","name":"PISTON KIT 88-90 MTX125 56.00, WOSSNER 8190DA HONDA ROAD","sku":"56-W905.A","brand":"Wossner","mpn":null,"gtin":null,"condition":"new","inStock":true,"stock":2,"price":{"amount":131.94,"formatted":"£131.94"},"summary":"Wossner forged piston kit 8190DA is designed for the Honda MTX 125 RALLY models from 1988 to 1990. With a 56mm bore and engineered for high thermal efficiency, this piston ensures reliable performance under demanding conditions. Manufactured in Germany, it offers a strong, precisely-machined solution for standard replacement. Features include forged construction for enhanced strength and durability, elliptical design promoting uniform bearing surface under heat expansion, maximised heat transfer from the combustion chamber to cylinder walls, and even thrust load distribution reducing the risk of piston collapse. Specifications: Bore: 56mm (Measured: 55.96mm), Display Volume: 124 cm&sup3;, Stroke: 50.60mm, Clearance: 0.04mm, Compression Height: 30.60mm, Wossner Compression Ratio: 2-stroke, OEM Compression Ratio: 2-stroke, Part No.: 56-W905.B (Wossner Piston Honda MTX125 56 mm Bore, PN# 8190DA), Lock P/N: CW16, Pin P/N: WP036, 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":"258183"}],"image":"https://www.oro2u.com/media/catalog/product/s/t/stock57129_1.jpg","images":["https://www.oro2u.com/media/catalog/product/s/t/stock57129_1.jpg"],"description":"Wossner forged piston kit 8190DA is designed for the Honda MTX 125 RALLY models from 1988 to 1990. With a 56mm bore and engineered for high thermal efficiency, this piston ensures reliable performance under demanding conditions. Manufactured in Germany, it offers a strong, precisely-machined solution for standard replacement. Features include forged construction for enhanced strength and durability, elliptical design promoting uniform bearing surface under heat expansion, maximised heat transfer from the combustion chamber to cylinder walls, and even thrust load distribution reducing the risk of piston collapse. Specifications: Bore: 56mm (Measured: 55.96mm), Display Volume: 124 cm&sup3;, Stroke: 50.60mm, Clearance: 0.04mm, Compression Height: 30.60mm, Wossner Compression Ratio: 2-stroke, OEM Compression Ratio: 2-stroke, Part No.: 56-W905.B (Wossner Piston Honda MTX125 56 mm Bore, PN# 8190DA), Lock P/N: CW16, Pin P/N: WP036, Ring Set P/N: RSB5600 x 2.","descriptionMarkdown":"### Wossner Forged Piston Kit for Honda MTX 125 RALLY\n\nThis Wossner forged piston kit is engineered for high performance and durability, designed as a direct replacement for Honda MTX 125 RALLY models. Manufactured in Germany, this piston utilizes advanced forging techniques and an elliptical design to ensure optimal performance and longevity.\n\n### Key Features:\n\n\t\n- Forged construction provides superior strength and resistance to wear.\n\t\n- Elliptical piston design promotes uniform bearing surface under thermal expansion.\n\t\n- Engineered for maximized heat transfer from the combustion chamber to the cylinder walls.\n\t\n- Even thrust load distribution minimizes the risk of piston collapse.\n\t\n- Precision manufactured in Germany for exceptional quality control.\n\n### Specifications:\n\n\t\n- Bore Size: 56.00mm (measured at 55.96mm)\n\t\n- Piston Clearance: 0.04mm\n\t\n- Compression Height: 30.60mm\n\t\n- Wossner Compression Ratio: 2-stroke\n\t\n- Includes necessary components for installation: Lock P/N: CW16, Pin P/N: WP036, Ring Set P/N: RSB5600 x 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-8190da-honda-road","buyOneNow":"https://www.2brosparts.com/api/agent/checkout/GB/04eba63233b1:1","basketWithThis":"https://www.2brosparts.com/api/agent/basket/GB/04eba63233b1:1"}},"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."]}}