{"product_id":"cylinder-full-race-kit-54mm-yamaha-yz-125-22-25-athena-p400485100102-std-bore-piston-included","title":"CYLINDER FULL RACE KIT 54MM YAMAHA YZ 125 22-25, ATHENA P400485100102 STD BORE, (Piston included)","description":"\u003cp\u003eThe Athena Standard Bore Racing Cylinder Kit is engineered for high-performance applications in the Yamaha YZ 125 and compatible models. Designed to optimize engine power and thermal management, this 54mm full race kit includes a lightweight piston and modular cylinder head to elevate responsiveness and durability under competitive conditions.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eFeatures\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cul\u003e\n\t\u003cli\u003e\n\t\u003cp\u003eHigh-performance aluminum cylinder with precision-machined intake and exhaust ports for optimized combustion efficiency\u003c\/p\u003e\n\t\u003c\/li\u003e\n\t\u003cli\u003e\n\t\u003cp\u003eRacing cylinder head featuring a modular bronze insert for superior heat dissipation and thermodynamic performance\u003c\/p\u003e\n\t\u003c\/li\u003e\n\t\u003cli\u003e\n\t\u003cp\u003eLightweight single-ring piston with Oil Dot technology for reduced friction and enhanced lubrication\u003c\/p\u003e\n\t\u003c\/li\u003e\n\t\u003cli\u003e\n\t\u003cp\u003eEngineered for increased power output, throttle responsiveness, and mechanical reliability\u003c\/p\u003e\n\t\u003c\/li\u003e\n\t\u003cli\u003e\n\t\u003cp\u003eDesigned for seamless compatibility with OEM engine components\u003c\/p\u003e\n\t\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003eSpecifications\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cul\u003e\n\t\u003cli\u003e\n\t\u003cp\u003eBore Size: 54mm (Standard Bore)\u003c\/p\u003e\n\t\u003c\/li\u003e\n\t\u003cli\u003e\n\t\u003cp\u003eCylinder Material: Aluminum with optimized porting\u003c\/p\u003e\n\t\u003c\/li\u003e\n\t\u003cli\u003e\n\t\u003cp\u003eHead Insert: Modular bronze design\u003c\/p\u003e\n\t\u003c\/li\u003e\n\t\u003cli\u003e\n\t\u003cp\u003ePiston Type: Lightweight, single-ring with Oil Dots\u003c\/p\u003e\n\t\u003c\/li\u003e\n\t\u003cli\u003e\n\t\u003cp\u003eKit Includes: Cylinder, head with insert, piston, and associated hardware\u003c\/p\u003e\n\t\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003eCross-Reference OEM Part Numbers\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cul\u003e\n\t\u003cli\u003e\n\t\u003cp\u003eP400485100102\u003c\/p\u003e\n\t\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003eVehicle Fitments\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cul\u003e\n\t\u003cli\u003e\n\t\u003cp\u003eYamaha YZ 125 cc 2022–2025\u003c\/p\u003e\n\t\u003c\/li\u003e\n\t\u003cli\u003e\n\t\u003cp\u003eYamaha YZ X 125 cc 2023–2025\u003c\/p\u003e\n\t\u003c\/li\u003e\n\t\u003cli\u003e\n\t\u003cp\u003eFantic XX 2T 125 cc 2022–2025\u003c\/p\u003e\n\t\u003c\/li\u003e\n\t\u003cli\u003e\n\t\u003cp\u003eFantic XE 2T 125 cc 2023–2024\u003c\/p\u003e\n\t\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Athena","offers":[{"title":"Default Title","offer_id":51803488682250,"sku":"56-K1993.54.CKA.RACE","price":891.32,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0898\/2757\/4026\/files\/56-K1993_54_CKA_RACE.png?v=1759612671","url":"https:\/\/2bros-mx.com\/products\/cylinder-full-race-kit-54mm-yamaha-yz-125-22-25-athena-p400485100102-std-bore-piston-included","provider":"2bros-mx.com","version":"1.0","type":"link"}