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VAPE Electronic Ignition Simson DUO 4/1 - KR51/1S - K
electronic ignition for Simson DUO 4/1 (engine KR51/1S)
Replacement system for ignitions where base plate is fixed by clamps (not screwed).
For engines KR51/1S, years 1973 - 1989.
Magnet based generator with integrated fully electronic ignition. Output at 12V/100W DC. Replaces original 6 Volt Dynamo.
Installs into original recess of engine without need for change there. Solid state ignition with own power supply from within the system.
Your bike drives then only with DC, the complicated AC/DC-mixture will be omitted.
No need for changes on engine housing. The system may be run without battery.
Advantages:
- all parts are new
- more light output
- very stable ignition with solid spark
- better starting, better fuel burning
- no wear anymore on points

An original VAPE/Powerdynamo product
(photos similar, installation proposals)
Technical Data for VAPE ignition for Simson DUO 4/1 (engine KR51/1S)
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![]() | Installation tips |