{"about":"Prices are for United Kingdom in GBP. Every URL here is a plain path you can fetch directly.","product":{"basketKey":"2d8cd4e5ec0d","name":"PISTON KIT 73-75 YAMAHA RD 250 55.5mm 1.5mm OVER VINTCO PSY17-1.5","sku":"VIN-PSY17-1.5","brand":"Vintco","mpn":null,"gtin":null,"condition":"new","inStock":true,"stock":1,"price":{"amount":152.3,"formatted":"£152.30"},"summary":"VintCo piston kit for vintage 2-stroke Yamaha RD250 models from 1973 to 1975. This complete piston assembly includes the piston, rings, pin, and clips. The forged piston features MoS2 coating for running-in and is designed for OEM-level or better fitment and performance. Manufactured in Germany. Piston size is 55.5 mm with an oversize of +1.5 mm. The piston measurement is 55.43 mm with a clearance of 0.07 mm. A wrist pin bearing is sold separately. Additional size options are available.","attributes":[],"image":"https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/VIN-PSY17-1_2E5/8daafdb5beb8f743.jpg","images":["https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/VIN-PSY17-1_2E5/8daafdb5beb8f743.jpg","https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/VIN-PSY17-1_2E5/8970fb4995b6af58.jpg","https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/VIN-PSY17-1_2E5/352702f78800615c.jpg","https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/VIN-PSY17-1_2E5/dcc2cc763303e4f7.jpg","https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/VIN-PSY17-1_2E5/c5002a075bb1143e.jpg"],"description":"VintCo piston kit for vintage 2-stroke Yamaha RD250 models from 1973 to 1975. This complete piston assembly includes the piston, rings, pin, and clips. The forged piston features MoS2 coating for running-in and is designed for OEM-level or better fitment and performance. Manufactured in Germany. Piston size is 55.5 mm with an oversize of +1.5 mm. The piston measurement is 55.43 mm with a clearance of 0.07 mm. A wrist pin bearing is sold separately. Additional size options are available.","descriptionMarkdown":"### VintCo Piston Kit 55.5mm +1.5mm Oversize for Yamaha RD250\n\nThis VintCo Piston Kit is designed for vintage 2-stroke Yamaha RD250 models from 1973 to 1975. It provides a complete piston assembly, utilizing modern manufacturing techniques and materials to ensure OEM-level or superior fitment and performance for your engine rebuild.\n\n**Key Features:**\n\n \n- Complete piston assembly for vintage Yamaha RD250 2-stroke engines.\n \n- Includes piston, rings, pin, and clips for a full installation.\n \n- Forged piston construction for enhanced durability.\n \n- Features a MoS2 coating for optimized break-in periods.\n \n- Engineered for precise fitment and reliable performance, meeting or exceeding OEM standards.\n \n- Wrist pin bearing is sold separately.\n \n- Additional piston sizes are available to suit various engine specifications.\n\n**Specifications:**\n\n \n- Piston Diameter: 55.5 mm\n \n- Oversize: +1.5 mm\n \n- Actual Piston Measurement: 55.43 mm\n \n- Piston to Cylinder Clearance: 0.07 mm\n \n- Manufactured in Germany.","weightGrams":null,"fitments":[{"make":"YAMAHA","model":"RD 250","cc":null,"notes":null,"years":"1973–1975"}],"collections":[],"links":{"page":"https://www.2brosparts.com/products/piston-kit-73-75-yamaha-rd-250-555mm-15mm-over-vintco-psy17-15","buyOneNow":"https://www.2brosparts.com/api/agent/checkout/GB/2d8cd4e5ec0d:1","basketWithThis":"https://www.2brosparts.com/api/agent/basket/GB/2d8cd4e5ec0d: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."]}}