{"about":"Prices are for United Kingdom in GBP. Every URL here is a plain path you can fetch directly.","product":{"basketKey":"a36d175621b0","name":"PISTON KIT 05-21 YZ125 54.00 C, PROX 01.2225.C YAMAHA MX","sku":"56-W845.C.PX","brand":"Pro-X Racing","mpn":null,"gtin":null,"condition":"new","inStock":true,"stock":2,"price":{"amount":128.36,"formatted":"£128.36"},"summary":"ProX Piston Kit for Yamaha YZ125. This 2-stroke kit features a 54.00mm bore piston with a 53.97mm diameter. It includes piston rings, a wrist pin, and circlips for ready installation. ProX pistons are precisely machined using state-of-the-art CNC equipment and utilize a low-expansion, low-friction piston alloy common among major Japanese engine manufacturers. The kit features an OEM-style tin coating to aid in the break-in process. Replacement parts: Piston Rings 02.2222, Piston Pin 04.1546.7, Piston Clips 05.1510. Manufacturer part number 01.2225.C.","attributes":[{"label":"General Product Group","value":"Engine"},{"label":"General Product Type","value":"Pistons & Kits"},{"label":"General Size","value":"54.00mm"},{"label":"Variant Id","value":"258020"}],"image":"https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/56-W845_2EC_2EPX/179e3e64b66a0c81.jpg","images":["https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/56-W845_2EC_2EPX/179e3e64b66a0c81.jpg"],"description":"ProX Piston Kit for Yamaha YZ125. This 2-stroke kit features a 54.00mm bore piston with a 53.97mm diameter. It includes piston rings, a wrist pin, and circlips for ready installation. ProX pistons are precisely machined using state-of-the-art CNC equipment and utilize a low-expansion, low-friction piston alloy common among major Japanese engine manufacturers. The kit features an OEM-style tin coating to aid in the break-in process. Replacement parts: Piston Rings 02.2222, Piston Pin 04.1546.7, Piston Clips 05.1510. Manufacturer part number 01.2225.C.","descriptionMarkdown":"### ProX Piston Kit 54.00mm Bore - Ready for Installation\n\nThis ProX Piston Kit is designed for optimal performance and durability. Each kit includes the piston, piston rings, wrist pin, and circlips, ensuring you have all the necessary components for a straightforward installation.\n\nProX pistons are manufactured using advanced CNC equipment, employing a low-expansion, low-friction aluminum alloy identical to that used by major Japanese engine manufacturers. This advanced material contributes to excellent heat dissipation and reduced friction, enhancing engine efficiency and lifespan.\n\nThe piston features an OEM-style tin coating. This specialized coating aids the crucial break-in process when your machine is first started, promoting proper seating of the piston rings for long-term reliability.\n\n### Key Features:\n\n \n- Complete kit includes piston, rings, wrist pin, and circlips.\n \n- Precision machined using state-of-the-art CNC equipment.\n \n- Constructed from a low-expansion, low-friction piston alloy.\n \n- OEM-style tin coating for assisted break-in.\n \n- 54.00mm bore size.\n\n### Replacement Parts Included:\n\n \n- Piston Rings: 02.2222\n \n- Piston Pin: 04.1546.7\n \n- 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-c-prox-012225c-yamaha-mx","buyOneNow":"https://www.2brosparts.com/api/agent/checkout/GB/a36d175621b0:1","basketWithThis":"https://www.2brosparts.com/api/agent/basket/GB/a36d175621b0:1"}},"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."]}}