17. STARTING SYSTEM ZING125 Wire Lock Nut STARTER MOTOR REMOVAL Before removing the starter motor, turn the ignition switch OFF and remove the battery ground. Then, turn on the ignition switch and push the starter button to see if the starter motor operates properly. Mounting Bolts Front Cover Remove the starter motor wire lock nut. Remove the two starter motor mounting bolts and the motor. DISASSEMBLY Remove the two starter motor case bolts to remove the front cover, rear cover, commutator, housing and other parts. O-ring Rear Cover Case Bolts Commutator INSPECTION Inspect the removed parts. Inspect the commutator for wear, damage, discoloration and other visual faults. Replace if necessary. Clean the commutator if there is metal powder between the segments. Check for continuity between pairs of the commutator segments and there should be continuity. Also, make a continuity check between individual commutator segments and the armature shaft. There should be no continuity. 17-2