{"about":"Prices are for United Kingdom in GBP. Every URL here is a plain path you can fetch directly.","product":{"basketKey":"8c3f9a5af757","name":"PISTON KIT 05-21 YZ125 54.00 D, PROX 01.2225.D","sku":"56-W845.D.PX","brand":"Pro-X Racing","mpn":null,"gtin":null,"condition":"new","inStock":true,"stock":1,"price":{"amount":128.36,"formatted":"£128.36"},"summary":"ProX Piston Kit 01.2225.D for 54.00mm bore engines. This kit includes piston rings, wrist pin, and circlips. ProX pistons are precision machined using state-of-the-art CNC equipment and the same low-expansion, low-friction piston alloy used by major Japanese engine manufacturers. Features an OEM-style tin coating for easier break-in. Replacement parts: piston rings 02.2222, piston pin 04.1546.7, piston clips 05.1510.","attributes":[{"label":"General Product Group","value":"Engine"},{"label":"General Product Type","value":"Pistons & Kits"},{"label":"General Size","value":"54.00mm"},{"label":"Variant Id","value":"258022"}],"image":"https://www.oro2u.com/media/catalog/product/s/t/stock56968_1.jpg","images":["https://www.oro2u.com/media/catalog/product/s/t/stock56968_1.jpg"],"description":"ProX Piston Kit 01.2225.D for 54.00mm bore engines. This kit includes piston rings, wrist pin, and circlips. ProX pistons are precision machined using state-of-the-art CNC equipment and the same low-expansion, low-friction piston alloy used by major Japanese engine manufacturers. Features an OEM-style tin coating for easier break-in. Replacement parts: piston rings 02.2222, piston pin 04.1546.7, piston clips 05.1510.","descriptionMarkdown":"### ProX Piston Kit 54.00mm Bore for Yamaha YZ125\n\nThis ProX Piston Kit is engineered for high-performance and durability, designed to bring your engine back to peak operating condition. Each kit is meticulously assembled and ready for immediate installation, ensuring a seamless replacement process.\n\nCrafted using the latest advancements in CNC machining technology, ProX pistons utilize a premium low-expansion, low-friction alloy. This material is the same choice employed by leading Japanese engine manufacturers, guaranteeing exceptional quality and performance.\n\nTo facilitate a smooth and efficient break-in period, this piston features an OEM-style tin coating. This coating helps to minimize initial wear when you first start your machine after installation.\n\n#### Key Features:\n\n \n- Complete Piston Kit: Includes piston rings, wrist pin, and circlips for a full replacement.\n \n- Precision Machined: Manufactured on state-of-the-art CNC equipment for exacting tolerances.\n \n- High-Quality Alloy: Uses a low-expansion, low-friction material trusted by major Japanese manufacturers.\n \n- Tin Coating: Features an OEM-style tin coating to aid in the break-in process.\n \n- Ready to Install: All components are supplied to ensure a straightforward installation.\n \n- 2-Stroke Design: Specifically designed for 2-stroke engines.\n\nThe included replacement parts are Piston Rings (02.2222), Piston Pin (04.1546.7), and Piston Clips (05.1510).","weightGrams":null,"fitments":[{"make":"FANTIC","model":"XE 125","cc":null,"notes":null,"years":"2021–2022"},{"make":"FANTIC","model":"XX 125","cc":null,"notes":null,"years":"2021"},{"make":"YAMAHA","model":"YZ 125","cc":null,"notes":null,"years":"2004–2021"},{"make":"YAMAHA","model":"YZ 125X","cc":null,"notes":null,"years":"2020–2022"}],"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-05-21-yz125-5400-d-prox-012225d","buyOneNow":"https://www.2brosparts.com/api/agent/checkout/GB/8c3f9a5af757:1","basketWithThis":"https://www.2brosparts.com/api/agent/basket/GB/8c3f9a5af757:1"}},"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."]}}