{"about":"Prices are for United Kingdom in GBP. Every URL here is a plain path you can fetch directly.","product":{"basketKey":"63a4bd091ac1","name":"PISTON KIT 74-75 YAMAHA YZ 250 70.5mm 0.5mm OVER VINTCO PSY34-0.5","sku":"VIN-PSY34-0.5","brand":"Vintco","mpn":null,"gtin":null,"condition":"new","inStock":true,"stock":1,"price":{"amount":162.76,"formatted":"£162.76"},"summary":"VintCo piston kit for 1974-1975 Yamaha YZ250 models. This kit is a 70.5 mm piston in +0.5 mm oversize for vintage 2-stroke engine rebuilds. It uses modern materials and manufacturing methods for OEM-level fitment and performance. Includes piston, rings, pin, and clips. Forged piston with MoS2 coating for break-in. Wrist pin bearing sold separately. Rings are compatible with Nikasil plating or an iron liner only. Made in Germany. Piston size: 70.5 mm. Oversize: +0.5 mm. Piston measurement: 70.44 mm. Clearance: 0.06 mm. VintCo Part Number: PSY34-0.5.","attributes":[],"image":"https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/VIN-PSY34-0_2E5/ebd39e792cce3b06.jpg","images":["https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/VIN-PSY34-0_2E5/ebd39e792cce3b06.jpg","https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/VIN-PSY34-0_2E5/14e6686a9c8cbf34.jpg","https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/VIN-PSY34-0_2E5/b99133f8481b7432.jpg","https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/VIN-PSY34-0_2E5/26123c345f91c338.jpg","https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/VIN-PSY34-0_2E5/c8965d7188e36bf6.jpg"],"description":"VintCo piston kit for 1974-1975 Yamaha YZ250 models. This kit is a 70.5 mm piston in +0.5 mm oversize for vintage 2-stroke engine rebuilds. It uses modern materials and manufacturing methods for OEM-level fitment and performance. Includes piston, rings, pin, and clips. Forged piston with MoS2 coating for break-in. Wrist pin bearing sold separately. Rings are compatible with Nikasil plating or an iron liner only. Made in Germany. Piston size: 70.5 mm. Oversize: +0.5 mm. Piston measurement: 70.44 mm. Clearance: 0.06 mm. VintCo Part Number: PSY34-0.5.","descriptionMarkdown":"### VintCo Piston Kit 70.5mm +0.5mm Oversize for Vintage Yamaha YZ250\n\nRevitalize your vintage 2-stroke engine with this premium VintCo piston kit, engineered for 1974-1975 Yamaha YZ250 models. Crafted using modern manufacturing techniques and materials, this kit ensures OEM-level fitment and performance for your classic motorcycle rebuild. Each kit includes a high-quality piston, rings, wrist pin, and clips, providing a comprehensive solution for your engine's needs.\n\n**Key Features:**\n\n \n- Complete piston kit for a straightforward engine rebuild, including piston, rings, pin, and clips.\n \n- Specifically designed for 1974-1975 Yamaha YZ250 motorcycles, perfect for vintage applications.\n \n- Features a forged piston for enhanced durability and strength.\n \n- Equipped with an MoS2 coating on the piston skirt to aid in the break-in process.\n \n- Please note: Wrist pin bearing is sold separately.\n \n- Important compatibility information: The included rings are designed for use with Nikasil plating or an iron liner only. They are not compatible with the original chrome-plated Yamaha cylinder found on 1974-1975 YZ250 models.\n \n- Manufactured in Germany to exacting standards.\n\n**Specifications:**\n\n \n- Piston Size: 70.5 mm\n \n- Oversize: +0.5 mm\n \n- Actual Piston Measurement: 70.44 mm\n \n- Recommended Piston Clearance: 0.06 mm","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-250-705mm-05mm-over-vintco-psy34-05","buyOneNow":"https://www.2brosparts.com/api/agent/checkout/GB/63a4bd091ac1:1","basketWithThis":"https://www.2brosparts.com/api/agent/basket/GB/63a4bd091ac1:1"}},"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."]}}