Vertex Pistons VTK23119B - Vertex Piston 05-21 Yamaha YZ 125 125cc Top End Piston Kit

Vertex Pistons VTK23119B - Vertex Piston 05-21 Yamaha YZ 125 125cc Top End Piston Kit

Exact fit A, B or C pistons match your cylinder bore perfectly to maximize power and performance, while reducing blow-by and oil consumption. All piston kits include piston, rings, wrist pin and circlips required.