2007-2009 Kawasaki KFX50 service manual, Page 40Get this manual
1GENERAL INFORMATION POOR CHARGING (BATTERY OVER DISCHARGING OR OVERCHARGING) Undercharging InspectionAdjustment Symptom Probable Cause
Start engine and test limit voltage of battery terminals Normal voltage Measure resistance between AC generator coil terminals Normal Connect battery (+) wire to regulatorrectifier coupler red wire and battery (-) wire to engine ground and test voltage Normal voltage Check regulatorrectifier coupler for loose connection Normal Abnormal Faulty regulatorrectifier Poorly connected coupler Faulty A.Cgenerator
Overcharging InspectionAdjustment Symptom Probable Cause