{"product_id":"vertex-vtk22520b-top-end-piston-kit-53-94-mm-for-yamaha-yz125","title":"Vertex Top End Piston Kit, 53.94 mm for Yamaha YZ125 (VTK22520B)","description":"\u003cp\u003eRestore reliable top-end performance with the Vertex VTK22520B Top End Piston Kit for Yamaha YZ125 motorcycles. This cast OE replacement piston is manufactured from gravity-cast aluminum alloy with 18% silicone content, providing a dependable replacement solution for routine engine rebuilding and maintenance. The kit is designed to support proper fitment and consistent performance when replacing worn or damaged top-end components.\u003cbr\u003eFeature: Heat-treated piston uses a T-5 hardening and tempering cycle to improve durability under demanding operating conditions. The piston skirt features a high-tech molybdenum disulfide coating that helps promote faster break-in and increased piston life. This coating supports smoother initial operation while helping reduce friction during the early stages of service.\u003cbr\u003eThe Vertex VTK22520B kit includes the primary components needed for a complete top-end piston replacement, including the piston, piston rings, wrist pin, circlips, top-end gaskets, and wrist pin bearing. Supplying these matched components in one package helps simplify installation and supports dependable engine assembly. As a cast replacement piston rather than a forged design, it is intended as an OE-style solution for Yamaha YZ125 applications requiring a compatible top-end service kit.\u003cbr\u003eFeature: Application-specific replacement kit for Yamaha YZ125 models. Feature: Includes piston, rings, wrist pin, circlips, top-end gaskets, and wrist pin bearing. Feature: Cast aluminum alloy construction with 18% silicone content. Feature: Molybdenum disulfide-coated skirt supports faster break-in and extended piston service life. Feature: Vertex part number VTK22520B.\u003c\/p\u003e\u003cp\u003e\u003cb\u003eFeatures:\u003c\/b\u003e\u003c\/p\u003e\u003cul\u003e\u003cli\u003eHeat-treated piston with a T-5 hardening and tempering cycle\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eMolybdenum disulfide-coated piston skirt supports faster break-in and increased piston life\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eGravity-cast aluminum alloy construction with 18% silicone content\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eCast OE replacement piston for Yamaha YZ125 applications\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eTop-end kit includes piston, rings, wrist pin, circlips, top-end gaskets, and wrist pin bearing\u003c\/li\u003e\u003c\/ul\u003e\r\n\u003cp\u003eShips from Parts Unlimited.\u003c\/p\u003e","brand":"Vertex","offers":[{"title":"Default Title","offer_id":60117727772958,"sku":"VTK22520B","price":208.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1091\/7884\/7518\/files\/410280.png?v=1791111109","url":"https:\/\/shoplepier.com\/products\/vertex-vtk22520b-top-end-piston-kit-53-94-mm-for-yamaha-yz125","provider":"LEPIER POWERSPORTS","version":"1.0","type":"link"}