{"about":"Prices are for United Kingdom in GBP. Every URL here is a plain path you can fetch directly.","product":{"basketKey":"fe312306c2ea","name":"PISTON KIT VERTEX 49.5 YAMAHA YZ 85 02-18, VERTEX 22871200 BIG BORE OS +2.00","sku":"22871200","brand":"Vertex","mpn":null,"gtin":null,"condition":"new","inStock":true,"stock":1,"price":{"amount":101.8,"formatted":"£101.80"},"summary":"VERTEX PISTON KIT 22871200. Kit includes piston, rings, wrist pin, and circlips. Standard pistons and components are OEM replacements. All pistons are heat treated with a T-5 or T-6 hardening and tempering cycle. Replacement rings are sold individually. Made in Italy. Fitted in many OEM bikes as standard. BORE SIZE. 49.50mm BIG BORE +2.00 [BB 49.45mm]. Replacement Parts: Rings 53010004950, Pin 715378, Clips 72050. Cross reference numbers: Piston (Std) UR PURPLE 5PA-11631-00-D0, Piston (Std) UR GREEN 5PA-11631-00-C0, Piston (Std) UR ORANGE 5PA-11631-00-B0, Piston (Std) UR RED 5PA-11631-00-A0, Ring, Piston 5PA-11611-00-00, Pin, Piston 4ES-11633-00-00.","attributes":[{"label":"General Product Group","value":"Engine"},{"label":"General Product Type","value":"Pistons & Kits"},{"label":"General Size","value":"49.50mm"},{"label":"Variant Id","value":"282565"}],"image":"https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/22871200/791edbf97c7ac16c.png","images":["https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/22871200/791edbf97c7ac16c.png"],"description":"VERTEX PISTON KIT 22871200. Kit includes piston, rings, wrist pin, and circlips. Standard pistons and components are OEM replacements. All pistons are heat treated with a T-5 or T-6 hardening and tempering cycle. Replacement rings are sold individually. Made in Italy. Fitted in many OEM bikes as standard. BORE SIZE. 49.50mm BIG BORE +2.00 [BB 49.45mm]. Replacement Parts: Rings 53010004950, Pin 715378, Clips 72050. Cross reference numbers: Piston (Std) UR PURPLE 5PA-11631-00-D0, Piston (Std) UR GREEN 5PA-11631-00-C0, Piston (Std) UR ORANGE 5PA-11631-00-B0, Piston (Std) UR RED 5PA-11631-00-A0, Ring, Piston 5PA-11611-00-00, Pin, Piston 4ES-11633-00-00.","descriptionMarkdown":"### Vertex Big Bore Piston Kit 49.50mm for Yamaha YZ 85\n\nEnhance the performance of your Yamaha YZ 85 with this Vertex Big Bore Piston Kit. Designed for superior engine operation, this kit provides a direct replacement for standard pistons and components, offering an OEM-level fit with upgraded capabilities. All Vertex pistons undergo a rigorous T-5 or T-6 hardening and tempering cycle to ensure maximum durability and longevity.\n\n#### Key Features:\n\n \n- Big Bore Size: Features a 49.50mm bore size, representing a +2.00mm oversize compared to standard specifications.\n \n- Complete Kit: Includes everything needed for installation: piston, rings, wrist pin, and circlips.\n \n- High-Quality Materials: Crafted from premium materials and heat-treated for exceptional strength and resistance to wear.\n \n- OEM Replacement Standard: Standard pistons and components are designed to meet or exceed original equipment manufacturer specifications.\n \n- Made in Italy: Proudly manufactured in Italy, ensuring high standards of engineering and quality.\n \n- Factory Fitted: Vertex pistons are frequently fitted as standard equipment on many OEM motorcycles, attesting to their reliability and performance.\n\n**Replacement Parts Available Separately:**\n\n \n- Rings: 53010004950\n \n- Pin: 715378\n \n- Clips: 72050","weightGrams":null,"fitments":[],"collections":[{"name":"Engine","url":"https://www.2brosparts.com/api/agent/collection/GB/engine"},{"name":"Pistons & Kits","url":"https://www.2brosparts.com/api/agent/collection/GB/pistons-kits"}],"links":{"page":"https://www.2brosparts.com/products/piston-kit-vertex-495-yamaha-yz-85-02-18-vertex-22871200-big-bore-os-200","buyOneNow":"https://www.2brosparts.com/api/agent/checkout/GB/fe312306c2ea:1","basketWithThis":"https://www.2brosparts.com/api/agent/basket/GB/fe312306c2ea: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."]}}