{"about":"Prices are for United Kingdom in GBP. Every URL here is a plain path you can fetch directly.","product":{"basketKey":"d85f4299ea4f","name":"PISTON KIT 74-75 YAMAHA YZ 250 71.0mm +1.0mm OVER VINTCO PSY34-1.0","sku":"VIN-PSY34-1.0","brand":"Vintco","mpn":null,"gtin":null,"condition":"new","inStock":true,"stock":1,"price":{"amount":162.76,"formatted":"£162.76"},"summary":"VintCo Piston Kit PSY34-1.0 is a forged replacement piston assembly for vintage 2-stroke engines. It features a 71.0 mm size with a +1.0 mm oversize, measuring 70.94 mm with 0.06 mm clearance. The MoS2 coated piston is made in Germany using modern materials and manufacturing techniques for OEM-style fitment and performance. This complete kit includes the piston, rings, pin, and clips; the wrist pin bearing is sold separately. The supplied rings are intended for Nikasil-plated or iron-lined cylinders and are not compatible with the original chrome-plated Yamaha cylinder on 1974-1975 YZ250 models. Additional size options are available.","attributes":[],"image":"https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/VIN-PSY34-1_2E0/b28b2a025c9da73c.jpg","images":["https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/VIN-PSY34-1_2E0/b28b2a025c9da73c.jpg","https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/VIN-PSY34-1_2E0/a05aa0ad560a0629.jpg","https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/VIN-PSY34-1_2E0/759e2330d434bb59.jpg","https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/VIN-PSY34-1_2E0/86f268d1af0eb620.jpg","https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/VIN-PSY34-1_2E0/bc719225b708f5d1.jpg"],"description":"VintCo Piston Kit PSY34-1.0 is a forged replacement piston assembly for vintage 2-stroke engines. It features a 71.0 mm size with a +1.0 mm oversize, measuring 70.94 mm with 0.06 mm clearance. The MoS2 coated piston is made in Germany using modern materials and manufacturing techniques for OEM-style fitment and performance. This complete kit includes the piston, rings, pin, and clips; the wrist pin bearing is sold separately. The supplied rings are intended for Nikasil-plated or iron-lined cylinders and are not compatible with the original chrome-plated Yamaha cylinder on 1974-1975 YZ250 models. Additional size options are available.","descriptionMarkdown":"### VintCo Piston Kit 71.0mm +1.0mm Oversize for Vintage Yamaha YZ250\n\nThis VintCo piston kit is designed as a high-quality replacement for vintage 2-stroke engines. Engineered in Germany, this kit utilizes modern materials and manufacturing techniques to ensure OEM-style fitment and performance.\n\n**Key Features:**\n\n \n- Complete piston assembly including piston, rings, pin, and clips.\n \n- Piston measures 70.94mm with a +1.0mm oversize specification.\n \n- Features a forged piston construction for enhanced durability.\n \n- Includes MoS2 coating for effective break-in.\n \n- The supplied rings are designed for use with Nikasil-plated or iron-lined cylinders.\n \n- Please Note: The included rings are not compatible with the original chrome-plated cylinders found on 1974-1975 Yamaha YZ250 models.\n \n- Wrist pin bearing is sold separately.\n \n- Additional oversize options are available to suit various engine needs.\n\n**Specifications:**\n\n \n- Piston Size: 71.0 mm\n \n- Oversize: +1.0 mm\n \n- Clearance: 0.06 mm\n \n- Country of Manufacture: Germany","weightGrams":null,"fitments":[{"make":"YAMAHA","model":"YZ 250","cc":null,"notes":null,"years":"1974–1975"}],"collections":[],"links":{"page":"https://www.2brosparts.com/products/piston-kit-74-75-yamaha-yz-250-710mm-10mm-over-vintco-psy34-10","buyOneNow":"https://www.2brosparts.com/api/agent/checkout/GB/d85f4299ea4f:1","basketWithThis":"https://www.2brosparts.com/api/agent/basket/GB/d85f4299ea4f: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."]}}