people 125 Manuel atelier : Page 23

          1. GENERAL INFORMATION                                               PEOPLE 125/150
 NO SPARK AT SPARK PLUG

 Inspection/Adjustment                   Symptom                 Probable Cause

 Replace with a new
 spark plug and inspect
 again

                            Good spark       Weak or no spark   Faulty spark plug

 Check spark plug cap
 and high-tension wire
 for looseness

                             Loose                 Not loose    Loose spark plug cap


 Check CDI unit coupler
 for looseness


                               Normal              Abnormal     Poorly connected coupler

 Measure resistance
 between terminals of
 CDI unit coupler


                               Normal              Abnormal


 Check related parts

                                                                Faulty ignition switch
                                                                Weak battery
                               Normal              Abnormal     Faulty pulser coil
                                                                Faulty ignition coil
                                                                Faulty charging system
                                                                Broken wire harness
                                                                Poorly connected coupler

 Check CDI unit with
 the CDI unit tester


                               Normal              Abnormal       Faulty CDI unit

 Check ignition coil with
 the CDI unit tester

                                         Normal                   Faulty ignition coil




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