with rotor 2kg  - full lights system (12V 180W)

will fit Bultaco  with nut M18 such as Alpina, Metralla, Sherpa and Matador, Mercurio.
Solid state ignition

 

Ignition with own power supply from within the system. Replaces original Magneto as well as all ignition parts.

 

Does not require changes on crankcase.