Powerdynamo brings new ignition & light 
to your vintage motorcycl
 

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System 70 81 999 0XX
=> €/$
XX = 17 or 20 (mm)

generator / ignition
for BMW flat twin
R 50, R50S, R51/3, R60, R67, R69, R69S
Magnet based generator with integrated solid state ignition, output at 12V/150W DC. Ignition with own power supply from within the system. Replaces old generator L45/60L, regulator, magnet unit, centrifugal advance unit in above listed BMW with either 17 or 20mm crankpin.

Does not require changes on crankcase. The system is technically capable of running without battery.
Alternative system to 70 80 999 0XX Difference is that on system 70 81 999 trigger unit is crankshaft based freeing camshaft area to either accomodate ignition coil.
System may further be adapted for use in engines like Universal Meteor (Switzerland).
Advantage over original system
  • all parts are new
  • solid state ignition and advance
  • more light output
  • very stable ignition with solid spark
  • better starting, better fuel burning
  • no wear anymore on collector, governor and points
Documentation
Photos