{"product_id":"athena-forged-dome-piston-kit-53-95-mm-for-yamaha-yz125-part-s410485302007-b","title":"Athena Forged Dome Piston Kit 53.95 mm for Yamaha YZ125, Part S410485302007.B","description":"\u003cp\u003eThe Athena Forged Dome Piston Kit is engineered for reliable high-performance service in select Yamaha YZ125 two-stroke applications. This kit features a 53.95 mm forged piston with a 14.3:1 compression ratio and a dome-style crown designed to support efficient combustion and strong engine performance. Athena manufactures precision engine components for powersports applications, helping provide dependable fit, durability, and consistent operation.\u003c\/p\u003e\u003cp\u003eThis piston kit fits 2001, 2002, 2003, and 2004 Yamaha YZ125 models. Verify the existing bore, piston clearance, and engine specifications before installation to ensure the correct replacement size and compatibility. The kit is identified by Athena manufacturer part number S410485302007.B and vendor part number 68-4872B.\u003c\/p\u003e\u003cp\u003eDesigned as a replacement or performance-oriented service component, the Athena forged construction provides strength for demanding motocross and off-road riding conditions. Proper installation should include inspection of the cylinder, piston pin, circlips, rings, and related top-end components, along with assembly according to Yamaha service procedures and the piston manufacturer’s recommendations.\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: Forged dome piston kit\u003c\/li\u003e\n\u003cli\u003ePiston Size: 53.95 mm\u003c\/li\u003e\n\u003cli\u003eCompression Ratio: 14.3:1\u003c\/li\u003e\n\u003cli\u003eApplication: Yamaha YZ125\u003c\/li\u003e\n\u003cli\u003eFitment: 2001, 2002, 2003, and 2004 Yamaha YZ125\u003c\/li\u003e\n\u003cli\u003eManufacturer Part Number: S410485302007.B\u003c\/li\u003e\n\u003cli\u003eVendor Part Number: 68-4872B\u003c\/li\u003e\n\u003cli\u003eConstruction: Forged piston design for demanding two-stroke applications\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":67549823762667,"sku":"68-4872B","price":130.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0611\/3882\/9547\/files\/4bd2-5b8e8f3754c7a.jpg?v=1790695653","url":"https:\/\/ctracingservices.com\/products\/athena-forged-dome-piston-kit-53-95-mm-for-yamaha-yz125-part-s410485302007-b","provider":"Cascade Tire \u0026 Racing Services","version":"1.0","type":"link"}