{"about":"Prices are for United Kingdom in GBP. Every URL here is a plain path you can fetch directly.","product":{"basketKey":"15d30bf6a522","name":"PISTON KIT 74-75 YAMAHA YZ 250 70.0mm STANDARD VINTCO PSY34-00","sku":"VIN-PSY34-00","brand":"Vintco","mpn":null,"gtin":null,"condition":"new","inStock":true,"stock":1,"price":{"amount":162.76,"formatted":"£162.76"},"summary":"This VintCo piston kit is designed for 1974-1975 Yamaha YZ250 models and provides a replacement piston assembly for vintage 2-stroke engine rebuilds. It is manufactured using modern materials and production methods for OEM-style fit and performance. This kit includes the piston, rings, pin and clips for straightforward installation. The supplied rings are not compatible with the original chrome-plated Yamaha cylinder used on 1974-1975 YZ250 models. A wrist pin bearing is available separately, and additional size options are also available. Features include a complete piston kit, suitability for vintage 2-stroke Yamaha YZ250 engine rebuilds, OEM-style fit and performance, and rings compatible with Nikasil-plated or iron-lined cylinders. Specifications include VintCo Part Number PSY34-00, piston size 70.0 mm standard, piston measurement 69.94 mm, clearance 0.06 mm, forged piston, MoS2 coating for break-in, and made in Germany.","attributes":[],"image":"https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/VIN-PSY34-00/41196fd298cf40e8.jpg","images":["https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/VIN-PSY34-00/41196fd298cf40e8.jpg","https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/VIN-PSY34-00/4408e543f08cbc5e.jpg","https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/VIN-PSY34-00/95031e515e194ce2.jpg","https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/VIN-PSY34-00/0588db55dc51d68f.jpg","https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/VIN-PSY34-00/cb60260a71186fa1.jpg"],"description":"This VintCo piston kit is designed for 1974-1975 Yamaha YZ250 models and provides a replacement piston assembly for vintage 2-stroke engine rebuilds. It is manufactured using modern materials and production methods for OEM-style fit and performance. This kit includes the piston, rings, pin and clips for straightforward installation. The supplied rings are not compatible with the original chrome-plated Yamaha cylinder used on 1974-1975 YZ250 models. A wrist pin bearing is available separately, and additional size options are also available. Features include a complete piston kit, suitability for vintage 2-stroke Yamaha YZ250 engine rebuilds, OEM-style fit and performance, and rings compatible with Nikasil-plated or iron-lined cylinders. Specifications include VintCo Part Number PSY34-00, piston size 70.0 mm standard, piston measurement 69.94 mm, clearance 0.06 mm, forged piston, MoS2 coating for break-in, and made in Germany.","descriptionMarkdown":"### VintCo Piston Kit for Yamaha YZ250 (1974-1975) - 70.0mm Standard\n\nRevitalize your vintage 2-stroke Yamaha YZ250 engine with this VintCo piston kit. Designed for 1974 and 1975 models, this comprehensive kit provides essential components for engine rebuilds, offering OEM-style fit and performance.\n\n**Key Features:**\n\n \n- Complete Piston Assembly: Includes piston, high-quality rings, wrist pin, and clips for a hassle-free installation.\n \n- Engineered for Vintage Performance: Manufactured using modern materials and production techniques to match original specifications.\n \n- MoS2 Coated Piston: Features a Molybdenum Disulfide coating for optimized break-in performance.\n \n- Forged Piston Construction: Ensures durability and strength for demanding vintage engine applications.\n \n- Cylinder Compatibility: The included rings are specifically designed for use with Nikasil-plated or iron-lined cylinders. Note: These rings are not compatible with the original chrome-plated Yamaha cylinder found on 1974-1975 YZ250 models.\n \n- Made in Germany: Proudly manufactured in Germany, reflecting a commitment to quality and precision.\n\n**Specifications:**\n\n \n- Piston Diameter: 70.0 mm (Standard size)\n \n- Actual Piston Measurement: 69.94 mm\n \n- Recommended Piston Clearance: 0.06 mm\n \n- VintCo Part Number: PSY34-00\n\n**Additional Information:**\n\n \n- A compatible wrist pin bearing is available separately to complete your rebuild.\n \n- This kit is available in additional sizes to suit various engine requirements.","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-250-700mm-standard-vintco-psy34-00","buyOneNow":"https://www.2brosparts.com/api/agent/checkout/GB/15d30bf6a522:1","basketWithThis":"https://www.2brosparts.com/api/agent/basket/GB/15d30bf6a522:1"}},"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."]}}