{"about":"Prices are for United Kingdom in GBP. Every URL here is a plain path you can fetch directly.","product":{"basketKey":"c0b79cafb56f","name":"PISTON KIT 76-81 YAMAHA MX YZ 125 57.0mm 1.0mm OVER VINTCO PSY01-1.0","sku":"VIN-PSY01-1.0","brand":"Vintco","mpn":null,"gtin":null,"condition":"new","inStock":true,"stock":1,"price":{"amount":121.9,"formatted":"£121.90"},"summary":"This VintCo piston kit features a 57.0 mm forged piston in +1.0 mm oversize, along with rings, pin and clips, for vintage 2-stroke engine service and rebuild work. The piston is manufactured in Germany using modern methods for OEM-style fitment and includes a MoS2 coating for running-in. A wrist pin bearing is available separately. Specifications include VintCo Part Number PSY01-1.0, item category Piston Kits, piston diameter 57.0 mm, oversize +1.0 mm, piston size 56.94 mm, clearance 0.06 mm, forged piston construction, and manufactured in Germany. Cross-reference OEM part numbers: 537-11638-02-00, 2K6-11638-00-00, 3R3-11638-00-00, 3N8-11638-10-00.","attributes":[],"image":"https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/VIN-PSY01-1_2E0/b8d9594d10750571.jpg","images":["https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/VIN-PSY01-1_2E0/b8d9594d10750571.jpg"],"description":"This VintCo piston kit features a 57.0 mm forged piston in +1.0 mm oversize, along with rings, pin and clips, for vintage 2-stroke engine service and rebuild work. The piston is manufactured in Germany using modern methods for OEM-style fitment and includes a MoS2 coating for running-in. A wrist pin bearing is available separately. Specifications include VintCo Part Number PSY01-1.0, item category Piston Kits, piston diameter 57.0 mm, oversize +1.0 mm, piston size 56.94 mm, clearance 0.06 mm, forged piston construction, and manufactured in Germany. Cross-reference OEM part numbers: 537-11638-02-00, 2K6-11638-00-00, 3R3-11638-00-00, 3N8-11638-10-00.","descriptionMarkdown":"### VintCo Piston Kit for Vintage Yamaha MX and YZ 125\n\nRestore the power and performance of your vintage Yamaha motorcycle with this premium VintCo piston kit. Engineered for 1976–1981 Yamaha YZ125 and 1976 Yamaha MX125 models, this kit is specifically designed for classic 2-stroke engine rebuilds. Experience OEM-style fitment and reliability thanks to modern manufacturing techniques used in Germany.\n\n**Key Features:**\n\n \n- Complete piston kit includes piston, rings, pin, and clips.\n \n- Forged piston construction ensures durability and performance.\n \n- MoS2 coating aids in the break-in process for optimal engine health.\n \n- Manufactured in Germany with precision for a perfect fit.\n \n- Designed for vintage 2-stroke Yamaha applications.\n \n- Wrist pin bearing is available separately to complete your rebuild.\n \n- Multiple oversize options are available to suit your specific needs.\n\n**Specifications:**\n\n \n- Piston Diameter: 57.0 mm\n \n- Oversize: +1.0 mm\n \n- Piston Size: 56.94 mm\n \n- Clearance: 0.06 mm\n \n- Construction: Forged\n \n- Country of Manufacture: Germany","weightGrams":null,"fitments":[{"make":"YAMAHA","model":"MX 125","cc":null,"notes":null,"years":"1976"},{"make":"YAMAHA","model":"YZ 125","cc":null,"notes":null,"years":"1976–1981"}],"collections":[],"links":{"page":"https://www.2brosparts.com/products/piston-kit-76-81-yamaha-mx-yz-125-570mm-10mm-over-vintco-psy01-10","buyOneNow":"https://www.2brosparts.com/api/agent/checkout/GB/c0b79cafb56f:1","basketWithThis":"https://www.2brosparts.com/api/agent/basket/GB/c0b79cafb56f: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. 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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."]}}