Motorcycle voltage regulator rectifier is applicable; please verify your vehicle model/type before purchasing. Application：Motorcycle Voltage Control Unit Motorbike Charging Regulator for CG125 FXD125 GY6125 Function: Motorcycle Regulating Rectifier Reduces Load on Generator and Imves Engine Efficiency performance. Appearance: Compact Appearance of Motorcycle Regulator Rectifier is Matched With Engine area Which is More Coordinated and unified.