The Bosch is a magneto. Now don't push the panic button,  and tell us how you went about trouble shooting the low voltage side of the distributor as well as the hight tension side. I would guess it also has a 2 piece distributor cap that is held together with screws. The last one I worked on a few years ago I had to take it apart clean the terminals, install new wires, regap the points and it then started right up. So tell me what you have done and check your message board.