17. STARTING SYSTEM K-PIPE 125 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. Disconnect the starter motor wire. Remove the three starter motor mounting bolts and the motor. Case Starter Gear O-Ring DISASSEMBLY Remove the four starter motor case mounting screws, and disassemble them. Gear Cover Gasket Commutator Bearing INSPECTION Inspect the commutator bars for discoloration. Bars discolored in pairs indicate grounded armature coils. Turn the outer race of the bearing with your fingers. The bearing should turn smoothly and quietly. Also check that the inner race of the bearing fits tightly on the armature shaft. Check for continuity between pairs of Continuity commutator bars. Also, make a resistance check between individual commutator bars and the armature shaft. There should be no continuity. Commutator bar pairs Continuity: normal Commutator bars and armature shaft No continuity: normal No Continuity 17-3