{"about":"Prices are for United Kingdom in GBP. Every URL here is a plain path you can fetch directly.","product":{"basketKey":"97dd63afc5c1","name":"PISTON KIT 2004 CR125 54.00, WOSSNER 8100DA HONDA MX","sku":"56-W840+00A.WO","brand":"Wossner","mpn":null,"gtin":null,"condition":"new","inStock":true,"stock":1,"price":{"amount":115.32,"formatted":"£115.32"},"summary":"The Wossner 8100DA piston kit features a standard 54.00mm bore and 53.95mm piston diameter. This forged piston kit is designed for optimal heat transfer and reliable performance in two-stroke engines. Its elliptical shape ensures even expansion and pressure distribution, preventing piston collapse. Manufactured in Germany to strict quality standards, this kit delivers consistent results. Features include forged construction for superior strength, efficient combustion chamber heat transfer, an elliptical profile for uniform expansion, and high-precision German engineering. Specifications include a bore of 54.00 mm, piston diameter of 53.95 mm, displacement of 125 cm&sup3;, stroke of 54.50 mm, piston clearance of 0.05 mm, compression height of 28.00 mm, and a 2-stroke compression ratio. Lock part number is CW15, pin part number is WP032, ring set part number is RSB5400, and rod part number is P2009. Cross-reference OEM part numbers include 13110-KSR-A00 and 840M05400.","attributes":[{"label":"General Product Group","value":"Engine"},{"label":"General Product Type","value":"Pistons & Kits"},{"label":"General Size","value":"54.00mm"},{"label":"Variant Id","value":"257987"}],"image":"https://www.oro2u.com/media/catalog/product/s/t/stock56933_1.jpg","images":["https://www.oro2u.com/media/catalog/product/s/t/stock56933_1.jpg","https://www.oro2u.com/media/catalog/product/s/t/stock56933_2.jpg","https://www.oro2u.com/media/catalog/product/s/t/stock56933_3.jpg","https://www.oro2u.com/media/catalog/product/s/t/stock56933_4.jpg"],"description":"The Wossner 8100DA piston kit features a standard 54.00mm bore and 53.95mm piston diameter. This forged piston kit is designed for optimal heat transfer and reliable performance in two-stroke engines. Its elliptical shape ensures even expansion and pressure distribution, preventing piston collapse. Manufactured in Germany to strict quality standards, this kit delivers consistent results. Features include forged construction for superior strength, efficient combustion chamber heat transfer, an elliptical profile for uniform expansion, and high-precision German engineering. Specifications include a bore of 54.00 mm, piston diameter of 53.95 mm, displacement of 125 cm&sup3;, stroke of 54.50 mm, piston clearance of 0.05 mm, compression height of 28.00 mm, and a 2-stroke compression ratio. Lock part number is CW15, pin part number is WP032, ring set part number is RSB5400, and rod part number is P2009. Cross-reference OEM part numbers include 13110-KSR-A00 and 840M05400.","descriptionMarkdown":"### Wossner 8100DA Piston Kit for 2004 Honda CR125\n\nThis Wossner 8100DA piston kit is a standard-size forged piston designed for optimal performance and durability. Engineered with precision, this kit features a 54.00mm bore and a 53.95mm piston diameter. The forged construction ensures superior strength, while the elliptical piston shape promotes even expansion and pressure distribution, effectively preventing piston collapse. Manufactured in Germany, this piston kit is built to strict quality standards for reliable operation in two-stroke engines.\n\n**Key Features:**\n\n \n- Forged construction for enhanced strength and longevity.\n \n- Designed for efficient heat transfer from the combustion chamber to the cylinder walls.\n \n- Elliptical profile ensures uniform expansion and reduces localized pressure.\n \n- High-precision engineering and manufacturing standards from Germany.\n\n**Specifications:**\n\n \n- Bore: 54.00 mm\n \n- Piston Diameter: 53.95 mm\n \n- Displacement: 125 cm&sup3;\n \n- Stroke: 54.50 mm\n \n- Piston Clearance: 0.05 mm\n \n- Compression Height: 28.00 mm\n \n- Lock Part Number: CW15\n \n- Pin Part Number: WP032\n \n- Ring Set Part Number: RSB5400\n \n- Rod Part Number: P2009\n\n**Cross-Reference OEM Part Numbers:**\n\n \n- 13110-KSR-A00\n \n- 840M05400","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-2004-cr125-5400-wossner-8100da-honda-mx","buyOneNow":"https://www.2brosparts.com/api/agent/checkout/GB/97dd63afc5c1:1","basketWithThis":"https://www.2brosparts.com/api/agent/basket/GB/97dd63afc5c1:1"}},"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."]}}