Electrosport ESR230 Regulator and Rectifier – Honda


SKU: ESR230 Categories: , Brand:


ESR230 is a high quality plug in replacement for the OEM regulator/rectifier used in various Honda’s.This regulator feeds the field coil inside the alternator that is fitted behind the cylinder block. When the alternator field coil fails (which happens a lot as these bikes are getting a little older) and its resistance drops to less than 1 Ohm it usually takes out the OEM regulator/rectifier too.Our ESR230 has a built in over-current and over-temperature safety circuit built in as part of the design which prevents failure due to a bad field rotor. This is a major improvement over the stock setup.The heatsink used in ESR230 gets rid of internal heat quickly and efficiently which makes for a very reliable unit.ESR230 comes with a full one year warranty.

CB750 Nighthawk (91-04)
CB1000 (93-96)
CBR1000F (90-96)
ST1100 / ST1100A Pan European (91-95)


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