{"product_id":"wiseco-re905m05400-piston-kit-2-126-in-bore-for-yamaha-yz125-x","title":"Wiseco Piston Kit, 2.126 in Bore for Yamaha YZ125\/X (RE905M05400)","description":"\u003cp\u003eUpgrade your Yamaha YZ125 or YZ125X with the Wiseco RE905M05400 Piston Kit, engineered for demanding motocross and off-road applications. This high-performance piston uses Wiseco’s 2000 Series alloy to deliver extreme strength under severe operating conditions while maintaining a lightweight design through dedicated forging. The result is dependable performance, responsive power, and durability suited to high-performance two-stroke engines.\u003cbr\u003eWiseco equips the RE905M05400 with premium-quality piston rings selected to enhance sealing for the specific application. Improved ring seal helps support consistent compression, efficient combustion, and long service life. The ArmorFit™ skirt coating conforms to the cylinder bore to promote precise piston control, reduce friction, and help limit wear during operation. This coating also supports smooth movement and reliable performance across changing engine temperatures.\u003cbr\u003eArmorPlating® provides additional protection for the piston crown against harmful detonation while improving the pin bore to help reduce wear and bore deformation. The treatment also enhances ring sealing for sustained performance and durability. Built for riders and builders who demand dependable engine components, this Wiseco piston kit combines advanced materials, application-focused engineering, and American manufacturing in a direct-fit solution for compatible Yamaha YZ125\/X models. The kit is made in the USA and uses a 2.126-inch piston diameter.\u003c\/p\u003e\u003cp\u003e\u003cb\u003eFeatures:\u003c\/b\u003e\u003c\/p\u003e\u003cul\u003e\u003cli\u003e2000 Series alloy provides extreme strength for demanding engine conditions\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eDedicated forging delivers increased strength with a lightweight piston design\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003ePremium-quality piston rings enhance sealing for the application\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eArmorFit™ skirt coating conforms to the bore for improved piston control and wear resistance\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eArmorPlating® protects the crown from harmful detonation\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eArmorPlating® improves pin-bore durability and helps reduce wear and bore deformation\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eEnhanced ring seal supports long service life and consistent performance\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eMade in the USA\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eCompatible with Yamaha YZ125 and YZ125X applications\u003c\/li\u003e\u003c\/ul\u003e\r\n\u003cp\u003eShips from Parts Unlimited.\u003c\/p\u003e","brand":"Wiseco","offers":[{"title":"Default Title","offer_id":60117687337246,"sku":"RE905M05400","price":221.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1091\/7884\/7518\/files\/147419.png?v=1791109229","url":"https:\/\/shoplepier.com\/products\/wiseco-re905m05400-piston-kit-2-126-in-bore-for-yamaha-yz125-x","provider":"LEPIER POWERSPORTS","version":"1.0","type":"link"}