125 For the front pulley screw of scooter, you can fix the magneto rotor with tools such as magneto clamp or directly fix the periphery of the front pulley with tools. You can also knock down the screw with a hammer and a flat shovel, but try not to do so. The rear pulley can be directly fixed on the shell with a magneto clamp, and then removed with a socket wrench. Of course, the screws can also be knocked down with a hammer and a flat shovel.