{"about":"Prices are for United Kingdom in GBP. Every URL here is a plain path you can fetch directly.","product":{"basketKey":"4720e2661d62","name":"PISTON KIT 85-86 CR125 54.25, WOSSNER 8127D025 HONDA MX","sku":"56-W563+025.WO","brand":"Wossner","mpn":null,"gtin":null,"condition":"new","inStock":true,"stock":1,"price":{"amount":122.21,"formatted":"£122.21"},"summary":"The Wossner forged piston kit features a 54.25 mm bore (54.19 mm actual) and is designed for enhanced durability and heat management. This +0.25 mm oversize piston utilizes an elliptical design for even expansion and optimal thrust load distribution, manufactured in Germany for high performance and structural integrity. Features include a forged piston design for superior strength and thermal resilience, an elliptical shape for even bearing surface under heat expansion, and efficient heat transfer promotion from the combustion chamber to the cylinder wall. It reduces localized pressure and piston collapse risk. Specifications include a bore size of 54.25 mm (54.19 mm), piston part number 8127D025, lock part number CW14, pin part number WP025, ring set part number RSB5425 x 2, displacement of 124 cm³, stroke of 54.00 mm, clearance of 0.06 mm, 2-stroke compression ratio with Wossner & OEM, and a compression height of 28.00 mm.","attributes":[{"label":"General Product Group","value":"Engine"},{"label":"General Product Type","value":"Pistons & Kits"},{"label":"General Size","value":"54.25mm"},{"label":"Variant Id","value":"256870"}],"image":"https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/56-W563_2B025_2EWO/229ef532810d68f9.jpg","images":["https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/56-W563_2B025_2EWO/229ef532810d68f9.jpg","https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/56-W563_2B025_2EWO/c075475176466cdb.jpg","https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/56-W563_2B025_2EWO/0522b3f979d30585.jpg","https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/56-W563_2B025_2EWO/acc76d2eaf867e35.jpg"],"description":"The Wossner forged piston kit features a 54.25 mm bore (54.19 mm actual) and is designed for enhanced durability and heat management. This +0.25 mm oversize piston utilizes an elliptical design for even expansion and optimal thrust load distribution, manufactured in Germany for high performance and structural integrity. Features include a forged piston design for superior strength and thermal resilience, an elliptical shape for even bearing surface under heat expansion, and efficient heat transfer promotion from the combustion chamber to the cylinder wall. It reduces localized pressure and piston collapse risk. Specifications include a bore size of 54.25 mm (54.19 mm), piston part number 8127D025, lock part number CW14, pin part number WP025, ring set part number RSB5425 x 2, displacement of 124 cm³, stroke of 54.00 mm, clearance of 0.06 mm, 2-stroke compression ratio with Wossner & OEM, and a compression height of 28.00 mm.","descriptionMarkdown":"### Wossner Forged Piston Kit 54.25mm - Enhanced Performance and Durability\n\nUpgrade your motorcycle's engine with the Wossner Forged Piston Kit, engineered for superior performance and longevity. This high-quality piston features a 54.25 mm bore (54.19 mm actual size) and is designed as a +0.25 mm oversize replacement. Its advanced elliptical design ensures even expansion under heat, promoting optimal thrust load distribution and maintaining a consistent bearing surface. This translates to improved heat transfer from the combustion chamber to the cylinder wall, reducing localized pressure and the risk of piston collapse, even under demanding riding conditions.\n\nPrecision manufactured in Germany, Wossner pistons are renowned for their exceptional strength and thermal resilience. This kit is specifically designed for applications requiring enhanced durability and reliable performance.\n\n#### Key Features:\n\n\t\n- Forged piston construction for superior strength and thermal resilience.\n\t\n- Elliptical piston shape ensures even bearing surface during heat expansion.\n\t\n- Promotes efficient heat transfer, aiding in cooling.\n\t\n- Reduces localized pressure points and the risk of piston collapse.\n\t\n- Precision-engineered and manufactured in Germany.\n\n#### Specifications:\n\n\t\n- Bore Size: 54.25 mm (54.19 mm actual)\n\t\n- Piston Part Number: 8127D025\n\t\n- Lock Part Number: CW14\n\t\n- Pin Part Number: WP025\n\t\n- Ring Set Part Number: RSB5425 x 2\n\t\n- Displacement: 124 cm&sup3;\n\t\n- Stroke: 54.00 mm\n\t\n- Clearance: 0.06 mm\n\t\n- Compression Ratio: 2-stroke (Wossner & OEM)\n\t\n- Compression Height: 28.00 mm","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-85-86-cr125-5425-wossner-8127d025-honda-mx","buyOneNow":"https://www.2brosparts.com/api/agent/checkout/GB/4720e2661d62:1","basketWithThis":"https://www.2brosparts.com/api/agent/basket/GB/4720e2661d62:1"}},"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."]}}