2007-2009 Kawasaki KFX50 service manual, Page 206Get this manual
14BATTERYCHARGING SYSTEMA.CGENERATOR TESTING INSTRUMENTS Electric tester: YF-3501 TROUBLESHOOTING No power Dead battery Disconnected battery cable Fuse burned out Faulty ignition switch Low power Weak battery Loose battery connection Charging system failure Faulty regulatorrectifier