{"about":"Prices are for United Kingdom in GBP. Every URL here is a plain path you can fetch directly.","product":{"basketKey":"870840d9c796","name":"CYLINDER SLEEVE 81-81 YAMAHA YZ 80 49mm VINTCO SLY12A","sku":"VIN-SLY12A","brand":"Vintco","mpn":null,"gtin":null,"condition":"new","inStock":true,"stock":1,"price":{"amount":158.11,"formatted":"£158.11"},"summary":"Replacement cylinder sleeve for vintage Yamaha YZ80 applications, fits 1981 Yamaha YZ80. Made for VintCo by Advanced Sleeve in the USA to help restore worn or damaged original cylinders. Ports are angled to reduce port-matching work. Can be bored and honed to suit the stock-size VintCo piston kit. Intended for installation by an experienced and qualified machinist. VintCo Part Number: SLY12A. Piston Part Number: PSY12-00. Material: Cast iron. Bore: 49 mm. Height: 99.7 mm. Outside diameter: 59.7 mm. Flange outside diameter: 62.9 mm. Flange height: 3.8 mm. Wall thickness: 5.7 mm. Intake: 20.5 mm. Exhaust port location: 21.6 mm.","attributes":[],"image":"https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/VIN-SLY12A/f14319cde277a06f.jpg","images":["https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/VIN-SLY12A/f14319cde277a06f.jpg","https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/VIN-SLY12A/e3e818014efb3825.jpg","https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/VIN-SLY12A/1201c63082f3fb4d.jpg","https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/VIN-SLY12A/fc9568ede979c5d9.jpg","https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/VIN-SLY12A/907013c270b3084e.jpg"],"description":"Replacement cylinder sleeve for vintage Yamaha YZ80 applications, fits 1981 Yamaha YZ80. Made for VintCo by Advanced Sleeve in the USA to help restore worn or damaged original cylinders. Ports are angled to reduce port-matching work. Can be bored and honed to suit the stock-size VintCo piston kit. Intended for installation by an experienced and qualified machinist. VintCo Part Number: SLY12A. Piston Part Number: PSY12-00. Material: Cast iron. Bore: 49 mm. Height: 99.7 mm. Outside diameter: 59.7 mm. Flange outside diameter: 62.9 mm. Flange height: 3.8 mm. Wall thickness: 5.7 mm. Intake: 20.5 mm. Exhaust port location: 21.6 mm.","descriptionMarkdown":"### VintCo Cylinder Sleeve for Vintage Yamaha YZ80\n\nRestore your classic motorcycle with this high-quality replacement cylinder sleeve designed specifically for the 1981 Yamaha YZ80. This sleeve is the perfect solution for rebuilding original cylinders where sourcing complete replacements can be challenging. Crafted in the USA by Advanced Sleeve for VintCo, it utilizes modern manufacturing techniques and materials to ensure durability and performance.\n\nThis cylinder sleeve is engineered to simplify the rebuilding process. The port angles are strategically designed to minimize the need for extensive port-matching work, saving you time and effort. It can be precisely bored and honed to accommodate the stock-size VintCo piston kit, ensuring a perfect fit and optimal engine function.\n\n**Key Features:**\n\n \n- Direct replacement cylinder sleeve for vintage Yamaha YZ80 motorcycles.\n \n- Specifically designed for the 1981 Yamaha YZ80 model.\n \n- Manufactured in the USA by Advanced Sleeve for VintCo.\n \n- Ideal for restoring worn or damaged original cylinders.\n \n- Optimized port angles reduce the requirement for port-matching.\n \n- Bore and hone compatible with stock-size VintCo piston kits.\n \n- Intended for installation by an experienced and qualified machinist.\n\n**Specifications:**\n\n \n- Material: Cast iron\n \n- Country of manufacture: USA\n \n- Bore: 49 mm\n \n- Height: 99.7 mm\n \n- Outside diameter: 59.7 mm\n \n- Flange outside diameter: 62.9 mm\n \n- Flange height: 3.8 mm\n \n- Wall thickness: 5.7 mm\n \n- Intake port diameter: 20.5 mm\n \n- Exhaust port location: 21.6 mm","weightGrams":null,"fitments":[{"make":"YAMAHA","model":"YZ 80","cc":null,"notes":null,"years":"1981"}],"collections":[],"links":{"page":"https://www.2brosparts.com/products/cylinder-sleeve-81-81-yamaha-yz-80-49mm-vintco-sly12a","buyOneNow":"https://www.2brosparts.com/api/agent/checkout/GB/870840d9c796:1","basketWithThis":"https://www.2brosparts.com/api/agent/basket/GB/870840d9c796:1"}},"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."]}}