kpw 125 Manuale-dofficina : Pagina 165

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          15. IGNITION SYSTEM                                 SPORT CUB 125


 TROUBLESHOOTING
 Engine stalls immediately after it starts
 · Weak spark
 · Improper ignition timing
 · Faulty CDI unit


 No spark at plug
 · Faulty ignition switch
 · Poorly connected, broken or shorted wire
 -Between pulser coil, CDI unit and ignition coil
 -Between exciter coil and CDI unit
 -Between CDI unit and ignition coil
 -Between CDI unit and ignition switch
 -Between ignition coil and spark plug


 Engine starts but runs poorly
 · Faulty ignition coil
 · Poorly connected wire
 · Faulty spark plug
 · Spark plug cap electricity leakage
 · Faulty A.C. generator
 · Stator not installed properly (Loose)
 · Faulty CDI unit




15-3