| As Nelly says - check the connector with the yellow wires.
Further, if you have access to a digital multimeter connect it across the two yellow wires with it set to read AC volts. With the engine running you should get a reading of approx 15V/1000rpm. i.e. 30v at 2000rpm or 60v at 4,000rpm. If you get something like this then the stator is OK.
Then connect it across the battery with it set to DC volts. With the battery in a good state of charge it should read about 12.5V or so. Start the bike and watch the meter. It should rise to at least 13.8V at 2,000rpm and not exceed 14.6 volts at any revs. If no rise in volts at the battery or it rises too much then the regulator is duff. |