16. BATTERY/CHARGING SYSTEM/ A.C. GENERATOR MXU 250R/300R CHARGING SYSTEM CHARGING VOLTAGE INSPECTION Start the engine and warm it up to operating temperature; stop the engine. Connect the multi-meter between the positive and negative terminals of the battery. Make sure the battery is in good condition before performing this test. To prevent a short, make absolutely certain which are the positive and negative terminals or cable. Restart the engine. Measure the voltage on the multimeter when the engine runs at 5000 rpm. Limit Voltage: 13.5 V 15.5V REGULATOR/RECTIFIER Regulator/Rectifier Connectors INSPECTION Remove the right side cover. (Refer to chapter 2) Remove the regulator/rectifier wire connectors. Check the continuity between the wire terminals. Lock Nut Regulator/Rectifier Normal Direction: Continuity Normal Red/White Direction (+) Probe (-) Probe I Yellow Green Yellow II Red/White Yellow Reverse Direction: No Continuity (+) Probe (-) Probe Reverse I Green Yellow Green Direction II Yellow Red/White 16-6