{"about":"Prices are for United Kingdom in GBP. Every URL here is a plain path you can fetch directly.","product":{"basketKey":"59eae4041336","name":"PISTON KIT 87-90 TRX250 67.00, WOSSNER 8189DA HONDA ATV","sku":"56-W562.P4.WO","brand":"Wossner","mpn":null,"gtin":null,"condition":"new","inStock":true,"stock":1,"price":{"amount":153.68,"formatted":"£153.68"},"summary":"Wossner forged piston kit with 67.00 mm bore for 2-stroke engines. Features a forged construction and elliptical profile for effective heat expansion management, even distribution of thrust loads, and minimized stress concentration. Manufactured in Germany. Specifications include an actual bore diameter of 66.94 mm, compression height of 33.00 mm, display volume of 246 cm&sup3;, stroke of 72.00 mm, clearance of 0.06 mm, and a 2-stroke compression ratio (Wossner and OEM). Kit part number 8189D100 includes lock P/N CW18, pin P/N WP033, and ring set P/N RSB6700 (x2). Alternate part number 56-W562.P4.WO.","attributes":[{"label":"General Product Group","value":"Engine"},{"label":"General Product Type","value":"Pistons & Kits"},{"label":"General Size","value":"67.0mm"},{"label":"Variant Id","value":"256862"}],"image":"https://www.oro2u.com/media/catalog/product/s/t/stock55808_1.jpg","images":["https://www.oro2u.com/media/catalog/product/s/t/stock55808_1.jpg","https://www.oro2u.com/media/catalog/product/s/t/stock55808_2.jpg","https://www.oro2u.com/media/catalog/product/s/t/stock55808_3.jpg","https://www.oro2u.com/media/catalog/product/s/t/stock55808_4.jpg"],"description":"Wossner forged piston kit with 67.00 mm bore for 2-stroke engines. Features a forged construction and elliptical profile for effective heat expansion management, even distribution of thrust loads, and minimized stress concentration. Manufactured in Germany. Specifications include an actual bore diameter of 66.94 mm, compression height of 33.00 mm, display volume of 246 cm&sup3;, stroke of 72.00 mm, clearance of 0.06 mm, and a 2-stroke compression ratio (Wossner and OEM). Kit part number 8189D100 includes lock P/N CW18, pin P/N WP033, and ring set P/N RSB6700 (x2). Alternate part number 56-W562.P4.WO.","descriptionMarkdown":"### Wossner Forged Piston Kit - High Performance 2-Stroke Upgrade\n\nElevate your engine's performance and reliability with the Wossner Forged Piston Kit. Engineered for demanding 2-stroke applications, this high-quality piston is crafted using a robust forged construction for superior strength and thermal resistance.\n\n#### Key Features:\n\n\t\n- Forged Construction: Provides exceptional durability and withstands higher stresses compared to cast pistons.\n\t\n- Advanced Elliptical Profile: Designed to manage heat expansion effectively, ensuring uniform piston growth and minimizing stress concentrations for enhanced longevity.\n\t\n- Optimized Heat Transfer: Facilitates efficient heat transfer from the combustion chamber to the cylinder wall, contributing to consistent engine operation.\n\t\n- High-Performance Focus: Specifically intended for high-performance 2-stroke engine builds where reliability and power are paramount.\n\t\n- Precision Manufacturing: Manufactured in Germany to exacting standards, guaranteeing superior quality and performance.\n\n#### Specifications:\n\n\t\n- Bore Size: 67.00 mm (Oversize +1.00 mm)\n\t\n- Actual Bore Diameter: 66.94 mm\n\t\n- Compression Height: 33.00 mm\n\t\n- Stroke: 72.00 mm\n\t\n- Piston Clearance: 0.06 mm\n\t\n- Displacement Volume: 246 cm&sup3;\n\t\n- Compression Ratio: Designed for 2-stroke applications (compatible with Wossner and OEM specifications)\n\nThis Wossner piston kit includes essential components for a complete rebuild:\n\n\t\n- Forged Piston\n\t\n- Lock Rings (CW18)\n\t\n- Piston Pin (WP033)\n\t\n- Ring Set (RSB6700 x2)","weightGrams":null,"fitments":[{"make":"HONDA","model":"ATC R 250","cc":null,"notes":null,"years":"1985–1986"},{"make":"HONDA","model":"CR 250R","cc":null,"notes":null,"years":"1984–1985"},{"make":"HONDA","model":"TRX 250","cc":null,"notes":null,"years":"1987–1989"},{"make":"HONDA","model":"TRX 350","cc":null,"notes":null,"years":"2000–2006"},{"make":"HONDA","model":"TRX R 250","cc":null,"notes":null,"years":"1985–1989"}],"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-87-90-trx250-6700-wossner-8189da-honda-atv","buyOneNow":"https://www.2brosparts.com/api/agent/checkout/GB/59eae4041336:1","basketWithThis":"https://www.2brosparts.com/api/agent/basket/GB/59eae4041336:1"}},"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."]}}