{"about":"Prices are for United Kingdom in GBP. Every URL here is a plain path you can fetch directly.","product":{"basketKey":"59e228522073","name":"PISTON KIT 98-01 YZ125 55.00, WOSSNER 8091D100 YAMAHA MX","sku":"56-W726_100.WO","brand":"Wossner","mpn":null,"gtin":null,"condition":"new","inStock":true,"stock":1,"price":{"amount":125.4,"formatted":"£125.40"},"summary":"Wossner 55.00mm Piston Kit. This forged piston kit has a 55.00mm bore (+1.00mm oversize) and is manufactured in Germany. Features include forged piston construction for strength and durability, efficient heat transfer, and an elliptical design for even pressure distribution and minimal distortion. Specifications: Bore size 55.00 mm, actual piston size 54.95 mm, display 125 cm³, stroke 54.50 mm, clearance 0.05 mm, compression ratio 2-stroke, compression height 28.00 mm. Included components: Piston Wossner PN# 8091D100, Lock PN# CW15, Pin PN# WP032, Ring Set PN# RSB5500, Rod PN# P2019.","attributes":[{"label":"General Product Group","value":"Engine"},{"label":"General Product Type","value":"Pistons & Kits"},{"label":"General Size","value":"55.0mm"},{"label":"Variant Id","value":"257560"}],"image":"https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/56-W726_5F100_2EWO/ec12830a676472fb.jpg","images":["https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/56-W726_5F100_2EWO/ec12830a676472fb.jpg","https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/56-W726_5F100_2EWO/408f70f82ab934d1.jpg","https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/56-W726_5F100_2EWO/67287a8e9eb17b83.jpg","https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/56-W726_5F100_2EWO/3b67495be8e942f5.jpg"],"description":"Wossner 55.00mm Piston Kit. This forged piston kit has a 55.00mm bore (+1.00mm oversize) and is manufactured in Germany. Features include forged piston construction for strength and durability, efficient heat transfer, and an elliptical design for even pressure distribution and minimal distortion. Specifications: Bore size 55.00 mm, actual piston size 54.95 mm, display 125 cm³, stroke 54.50 mm, clearance 0.05 mm, compression ratio 2-stroke, compression height 28.00 mm. Included components: Piston Wossner PN# 8091D100, Lock PN# CW15, Pin PN# WP032, Ring Set PN# RSB5500, Rod PN# P2019.","descriptionMarkdown":"### Wossner Forged Piston Kit - 55.00mm Bore\n\nUpgrade your motorcycle's performance with this high-quality Wossner forged piston kit. Engineered in Germany, this piston is designed for optimal strength, durability, and heat management in demanding two-stroke engine environments.\n\n**Key Features:**\n\n \n- Forged Construction: Provides superior strength and resilience compared to cast pistons.\n \n- Optimized Heat Transfer: Efficiently dissipates heat from the combustion chamber to the cylinder wall, preventing pre-ignition and detonation.\n \n- Elliptical Design: Ensures even pressure distribution across the piston surface, minimizing distortion under high operating temperatures and loads.\n \n- Precision Manufactured: Crafted in Germany to exacting standards for reliable performance and consistent quality.\n\n**Specifications:**\n\n \n- Bore Size: 55.00 mm\n \n- Actual Piston Size: 54.95 mm\n \n- Cubic Capacity: 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- Compression Ratio: 2-stroke (Wossner and OEM compatible)\n\n**Included Components:**\n\n \n- Wossner Piston (PN# 8091D100)\n \n- Lock Rings (PN# CW15)\n \n- Piston Pin (PN# WP032)\n \n- Ring Set (PN# RSB5500)\n \n- Connecting Rod (PN# P2019)","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-98-01-yz125-5500-wossner-8091d100-yamaha-mx","buyOneNow":"https://www.2brosparts.com/api/agent/checkout/GB/59e228522073:1","basketWithThis":"https://www.2brosparts.com/api/agent/basket/GB/59e228522073:1"}},"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."]}}