CDI ignition box "PP" - Premium Performance for all Derbi Senda Euro 4 models. The factory speed limit is increased from 8000 rpm to 10.000 rpm. When using this CDI it is strongly recommended to adjust the carburettor, exhaust and gear ratio. We do also offer full derestriction kits, please contact us for part number and information. Compared to cheap replicas from Asia, the PP CDI has the following advantages: *Ignition time adjustment from 14 to 17 degrees (original Piaggio CDI 17 to 20 degrees) *Significant reduction of the exhaust gas temperature *Increase of max. speed to 10.000 rpm (motor protection) *Manufactured by Piaggio OEM Supplier *CDI mapping developed on engine test bench *No engine control light warning