Your Roller does not come out or works with zündaus Setzer?Possible that your VoiceMax CDI is defective.
Then we have a better replacement for you. A brand with CDI ignition coil from our house Cito Merx at a price - unbeatable price.
The ignition unit such as the Malossi CDI includes a high-performance ignition unit. However, the big difference is built into the micro processor calculates the point the ignition time for each speed of. Yield for you, this means optimal performance in every rotation zone.