{"about":"Prices are for United Kingdom in GBP. Every URL here is a plain path you can fetch directly.","product":{"basketKey":"224cb640a706","name":"CYLINDER SLEEVE 74-76 YAMAHA YZ 125 56mm VINTCO SLY01A","sku":"VIN-SLY01A","brand":"Vintco","mpn":null,"gtin":null,"condition":"new","inStock":true,"stock":1,"price":{"amount":169.09,"formatted":"£169.09"},"summary":"VintCo SLY01A is a 56 mm replacement cast iron cylinder sleeve for vintage Yamaha YZ125 models. Made in the USA for VintCo by Advanced Sleeve, this sleeve is intended for installation in the original cylinder by an experienced and qualified machinist. It features correctly angled ports to reduce port-matching work and can be bored and honed to suit the stock-size VintCo piston kit PSY01-00. Manufactured using modern materials and production methods for OEM-equivalent fitment and performance. Includes dimensional data for machining and installation. Specifications: Bore 56 mm, Height 117.5 mm, Outside Diameter 59.9 mm, Flange Outside Diameter 63.5 mm, Flange Height 5.2 mm, Wall Thickness 3.6 mm, Intake 22.5 mm, Exhaust Port Location 25.4 mm.","attributes":[],"image":"https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/VIN-SLY01A/402ab94c053db0d8.jpg","images":["https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/VIN-SLY01A/402ab94c053db0d8.jpg","https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/VIN-SLY01A/bc22f53aff8c461e.jpg","https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/VIN-SLY01A/980a1fcfe3b12f92.jpg","https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/VIN-SLY01A/eb3ce0dbf2c3b3d2.jpg"],"description":"VintCo SLY01A is a 56 mm replacement cast iron cylinder sleeve for vintage Yamaha YZ125 models. Made in the USA for VintCo by Advanced Sleeve, this sleeve is intended for installation in the original cylinder by an experienced and qualified machinist. It features correctly angled ports to reduce port-matching work and can be bored and honed to suit the stock-size VintCo piston kit PSY01-00. Manufactured using modern materials and production methods for OEM-equivalent fitment and performance. Includes dimensional data for machining and installation. Specifications: Bore 56 mm, Height 117.5 mm, Outside Diameter 59.9 mm, Flange Outside Diameter 63.5 mm, Flange Height 5.2 mm, Wall Thickness 3.6 mm, Intake 22.5 mm, Exhaust Port Location 25.4 mm.","descriptionMarkdown":"### VintCo Replacement Cylinder Sleeve for Yamaha YZ125\n\nRestore your vintage Yamaha YZ125 with this high-quality replacement cylinder sleeve from VintCo. Manufactured in the USA by Advanced Sleeve, this cast-iron sleeve is engineered for precise fitment and reliable performance. Designed as a direct replacement for original equipment, it is intended for professional installation by an experienced machinist.\n\nThis cylinder sleeve features correctly angled ports, minimizing the need for extensive port-matching during installation. It can be accurately bored and honed to precisely match the stock-size VintCo piston kit (PSY01-00), ensuring optimal engine function. Modern materials and advanced production methods are utilized in its construction, guaranteeing OEM-equivalent fitment and durability.\n\n#### Key Features:\n\n \n- Replacement cylinder sleeve designed for Yamaha YZ125 motorcycles.\n \n- Precision manufactured in the USA for VintCo by Advanced Sleeve.\n \n- Intended for professional installation by a qualified machinist.\n \n- Pre-angled ports reduce port-matching labor.\n \n- Boreable and honeable to accommodate stock-size VintCo pistons.\n \n- Constructed with modern materials for superior durability and performance.\n \n- Includes dimensional data for accurate machining and installation.\n\n#### Specifications:\n\n \n- Material: Cast iron\n \n- Bore: 56 mm\n \n- Height: 117.5 mm\n \n- Outside Diameter: 59.9 mm\n \n- Flange Outside Diameter: 63.5 mm\n \n- Flange Height: 5.2 mm\n \n- Wall Thickness: 3.6 mm\n \n- Intake Port Size: 22.5 mm\n \n- Exhaust Port Location: 25.4 mm","weightGrams":null,"fitments":[{"make":"YAMAHA","model":"YZ 125","cc":null,"notes":null,"years":"1974–1976"}],"collections":[],"links":{"page":"https://www.2brosparts.com/products/cylinder-sleeve-74-76-yamaha-yz-125-56mm-vintco-sly01a","buyOneNow":"https://www.2brosparts.com/api/agent/checkout/GB/224cb640a706:1","basketWithThis":"https://www.2brosparts.com/api/agent/basket/GB/224cb640a706:1"}},"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."]}}