kpw 50 Workshop-manual : Page 23

Microfiches
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          1. GENERAL INFORMATION                                                               K-PIPE 50


 NO SPARK AT SPARK PLUG

 Inspection/Adjustment                       Symptom                  Probable Cause
 Replace with a new
 spark plug and inspect
 again


                              Weak or no spark          Good spark   Faulty old spark plug

 Check spark plug cap
 and ignition coil wire for
 looseness


                                 Not loose                Loose      Loose spark plug cap

 Check CDI unit coupler
 for looseness


                                  Normal                Abnormal     Poorly connected coupler

 Measure resistance
 between CDI unit
 coupler wire terminals


                                  Normal                Abnormal

   Check related parts


                                                                     Faulty ignition switch
                                  Normal                Abnormal     Faulty exciter coil
                                                                     Faulty pulser coil
                                                                     Faulty ignition coil
                                                                     Broken wire harness
                                                                     Poorly connected coupler
Check CDI unit with a
CDI unit tester


                                  Normal                Abnormal     Faulty CDI unit

 Check ignition coil with
 a CDI unit tester

                                             Abnormal                Faulty ignition coil




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