Athena P400485600125 Top End Gasket KitEngineereed specifically for Yamaha dirt bikes to be resistant to impact and fatigueBuilt from race proven designs to Yamaha factory specificationsChosen by the top race teams in all forms of racing including super cross, motocross, GNCC, superbike, and moreMaximizes HP and service life in Yamaha Dirt Bikes and offroad vehiclesFits the following rides Yamaha YZ 125 1986-1993
