Digital Voltage Regulator Rectifier For Field Excited Coil

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  • Regular price $87.70
Tax included.

NWT Cycletronic Digital Voltage Regulator Rectifier with Field Excited Coil.  This is more common on your CB350-750s, SOHC CB650s, DOHC CB750-1000s, older KZ models, various Yamaha XJ and XS models and more.  Always double check if you are not sure.


  • 100% compatible with NWT Cycletronic X21 Systems
  • Suitable for ALL battery types including LITHIUM TYPES
  • Includes plug with wires, connectors, and hardware
  • Full documentations and thorough tech support
  • 1 year replacement warranty

DRR-F Install PDF

Unsure if this is the right part for your bike? Send an email with your bikes make, model, and year to or to 

If you are located outside of the Americas you can still purchase this item from NWT Europe as the exclusive supplier of NWT Cycletronic products for Europe and beyond.