1. GENERAL INFORMATION ATV 300/250 POOR CHARGING (BATTERY OVER DISCHARGING OR OVERCHARGING) Undercharging Inspection/Adjustment Symptom Probable Cause Start engine and test limit voltage of battery terminals Voltage does not Dead battery Normal voltage increase Faulty battery Measure resistance between AC generator coil terminals Faulty A.C. generator coil Normal Resistance too high Broken yellow wire Shorted pink and yellow Connect battery (+) wire wires to regulator/rectifier coupler red wire and battery (-) wire to engine ground and test voltage Normal voltage No voltage Broken red wire Check regulator/rectifier coupler for loose connection Faulty regulator/rectifier Normal Abnormal Poorly connected coupler Faulty A.C. generator Overcharging Inspection/Adjustment Symptom Probable Cause Connect battery (+) wire to regulator/rectifier coupler green wire and battery (-) wire to engine ground and test voltage Battery has voltage Battery has no with ignition voltage with ignition Broken green wire switch "ON" switch "ON" Check regulator/rectifier coupler for loose connection Normal Abnormal Poorly connected coupler Faulty regulator/rectifier 1-25