{"about":"Prices are for United Kingdom in GBP. Every URL here is a plain path you can fetch directly.","product":{"basketKey":"a1e33428a700","name":"PISTON KIT 05-07 CR125 54.00 B, WOSSNER 8170DB HONDA MX","sku":"56-W859.B.WO","brand":"Wossner","mpn":null,"gtin":null,"condition":"new","inStock":false,"stock":0,"price":{"amount":115.32,"formatted":"£115.32"},"summary":"Wossner 8170DB piston kit with a 54.01mm bore (+0.01mm oversize) is designed for Honda CR125R engines. This forged piston kit offers enhanced strength, superior heat dissipation, and optimised performance under high-stress two-stroke operating conditions. Features include a forged construction, efficient heat transfer engineering, and an elliptical profile for consistent bearing surface during heat expansion. This prevents localised pressure and minimises the risk of piston collapse. Manufactured in Germany. Specifications: Bore diameter 54.01 mm, displacement 125 cm&sup3;, stroke 54.50 mm, clearance 0.05 mm, compression ratio 2-stroke (Wossner and OEM specification), and compression height 28.00 mm. Includes piston kit part number 56-W859.B.WO, circlip CW15, wrist pin WP032, ring set RSB5400, and connecting rod P2009. Cross-reference OEM part numbers: 13110-KSR-730, 13120-KSR-730, 13111-KV3-000, 13111-KZ4-000, 13121-KSR-731, 94601-15000, Wossner 8170DA, Namura NX-10003, and Wiseco 859M05400.","attributes":[{"label":"General Product Group","value":"Engine"},{"label":"General Product Type","value":"Pistons & Kits"},{"label":"General Size","value":"54.00mm"},{"label":"Variant Id","value":"258081"}],"image":"https://www.oro2u.com/media/catalog/product/s/t/stock57027_1.jpg","images":["https://www.oro2u.com/media/catalog/product/s/t/stock57027_1.jpg","https://www.oro2u.com/media/catalog/product/s/t/stock57027_2.jpg","https://www.oro2u.com/media/catalog/product/s/t/stock57027_3.jpg","https://www.oro2u.com/media/catalog/product/s/t/stock57027_4.jpg"],"description":"Wossner 8170DB piston kit with a 54.01mm bore (+0.01mm oversize) is designed for Honda CR125R engines. This forged piston kit offers enhanced strength, superior heat dissipation, and optimised performance under high-stress two-stroke operating conditions. Features include a forged construction, efficient heat transfer engineering, and an elliptical profile for consistent bearing surface during heat expansion. This prevents localised pressure and minimises the risk of piston collapse. Manufactured in Germany. Specifications: Bore diameter 54.01 mm, displacement 125 cm&sup3;, stroke 54.50 mm, clearance 0.05 mm, compression ratio 2-stroke (Wossner and OEM specification), and compression height 28.00 mm. Includes piston kit part number 56-W859.B.WO, circlip CW15, wrist pin WP032, ring set RSB5400, and connecting rod P2009. Cross-reference OEM part numbers: 13110-KSR-730, 13120-KSR-730, 13111-KV3-000, 13111-KZ4-000, 13121-KSR-731, 94601-15000, Wossner 8170DA, Namura NX-10003, and Wiseco 859M05400.","descriptionMarkdown":"### Wossner Piston Kit for Honda CR125R (2005-2007)\n\nEnhance the performance and durability of your Honda CR125R with this Wossner 8170DB piston kit. Featuring a +0.01mm oversize forged construction, this piston is engineered to withstand the high demands of two-stroke engines, providing superior strength and efficient heat dissipation.\n\n**Key Features:**\n\n\t\n- Oversize forged piston designed for Honda CR125R.\n\t\n- Promotes efficient heat transfer from the combustion chamber.\n\t\n- Elliptical profile ensures a consistent bearing surface during heat expansion.\n\t\n- Minimizes the risk of piston collapse and localized pressure.\n\t\n- Manufactured in Germany for exceptional quality.\n\n**Specifications:**\n\n\t\n- Bore Diameter: 54.01 mm\n\t\n- Displacement: 125 cm&sup3;\n\t\n- Stroke: 54.50 mm\n\t\n- Clearance: 0.05 mm\n\t\n- Compression Ratio: 2-stroke (Wossner and OEM specification)\n\t\n- Compression Height: 28.00 mm\n\n**Included Components:**\n\n\t\n- Piston Kit\n\t\n- Circlip (CW15)\n\t\n- Wrist Pin (WP032)\n\t\n- Ring Set (RSB5400)\n\t\n- Connecting Rod (P2009)","weightGrams":null,"fitments":[{"make":"GAS-GAS","model":"EC 125","cc":null,"notes":null,"years":"2009–2011"},{"make":"GAS-GAS","model":"ME 125","cc":null,"notes":null,"years":"2000–2011"},{"make":"GASGAS","model":"EC 125","cc":null,"notes":null,"years":"2000–2008"},{"make":"HONDA","model":"CR 125","cc":null,"notes":null,"years":"2004–2007"},{"make":"HONDA","model":"CR 125R","cc":null,"notes":null,"years":"2005–2007"},{"make":"HUSQVARNA","model":"CR 125","cc":null,"notes":null,"years":"1997–2014"},{"make":"HUSQVARNA","model":"SM 125","cc":null,"notes":null,"years":"1998–2014"},{"make":"HUSQVARNA","model":"SM S 125","cc":null,"notes":null,"years":"1998–2014"},{"make":"HUSQVARNA","model":"WR 125","cc":null,"notes":null,"years":"1997–2014"},{"make":"HUSQVARNA","model":"WRE 125","cc":null,"notes":null,"years":"1998–2010"},{"make":"YAMAHA","model":"YZ 125","cc":null,"notes":null,"years":"1997–2001"}],"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-05-07-cr125-5400-b-wossner-8170db-honda-mx","buyOneNow":null,"basketWithThis":null}},"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."]}}