{"product_id":"athena-p400485200001-54mm-cylinder-head-for-yamaha-yz125","title":"Athena P400485200001 54mm Cylinder Head for Yamaha YZ125","description":"\u003cp\u003eThe Athena P400485200001 54mm Cylinder Head is designed for reliable replacement performance on select Yamaha YZ125 models. Manufactured by Athena, this cylinder head is engineered to support proper combustion chamber function and dependable operation in compatible two-stroke applications.\u003c\/p\u003e\u003cp\u003eBuilt for a precise fit, the Athena cylinder head is suitable for the 2001, 2002, 2003, and 2004 Yamaha YZ125. Verify the motorcycle year and application before installation to ensure compatibility with the existing cylinder, piston, cooling system, and related engine components.\u003c\/p\u003e\u003cp\u003eThis replacement cylinder head is supplied under Athena manufacturer part number P400485200001 and vendor part number P400485200001. Its 54mm application makes it a suitable choice for restoring or maintaining the original engine configuration on compatible Yamaha YZ125 models. Professional installation and inspection of associated seals, fasteners, and mating surfaces are recommended for proper fit and service reliability.\u003c\/p\u003e\u003cp\u003e\u003cb\u003eFeatures:\u003c\/b\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eBrand: Athena\u003c\/li\u003e\n\u003cli\u003eProduct Type: Cylinder head\u003c\/li\u003e\n\u003cli\u003eSize: 54mm\u003c\/li\u003e\n\u003cli\u003eModel: Yamaha YZ125\u003c\/li\u003e\n\u003cli\u003eFitment: 2001 Yamaha YZ125\u003c\/li\u003e\n\u003cli\u003eFitment: 2002 Yamaha YZ125\u003c\/li\u003e\n\u003cli\u003eFitment: 2003 Yamaha YZ125\u003c\/li\u003e\n\u003cli\u003eFitment: 2004 Yamaha YZ125\u003c\/li\u003e\n\u003cli\u003eManufacturer Part Number: P400485200001\u003c\/li\u003e\n\u003cli\u003eVendor Part Number: P400485200001\u003c\/li\u003e\n\u003cli\u003eApplication: Replacement engine component for compatible Yamaha YZ125 models\u003c\/li\u003e\n\u003c\/ul\u003e\u003cbr\u003e\nFitment:\u003cbr\u003e\n2001 Yamaha YZ125\u003cbr\u003e\n2002 Yamaha YZ125\u003cbr\u003e\n2003 Yamaha YZ125\u003cbr\u003e\n2004 Yamaha YZ125","brand":"ATHENA","offers":[{"title":"Default Title","offer_id":67549782016235,"sku":"68-4873","price":261.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0611\/3882\/9547\/files\/1bb9-5bb38b751e264.jpg?v=1790694245","url":"https:\/\/ctracingservices.com\/products\/athena-p400485200001-54mm-cylinder-head-for-yamaha-yz125","provider":"Cascade Tire \u0026 Racing Services","version":"1.0","type":"link"}