JSJ offer new Jetski regulators and rectifiers. A regulator is a crucial part on your Jetski. It controls the output of power provided by the stator converts the power then returns the power to the battery thus creating a charge basically working like am alternator on a car. Regulators/rectifiers can also be the leading cause of intermittent or no power to your skis ecu or mpem. Jet ski Junky offers Sea-Doo , Yamaha Waverunner, Kawasaki Jetski and Polaris water craft regulators .