quannon 125 Workshop-manual : Page 147

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          16. IGNITION SYSTEM                                                        QUANNON 125


 SPECIFICATIONS
                              Item                                     Standard

  Spark plug                            Standard type                 NGK CR8E

  Spark plug gap                                                   0.6mm ~ 0.7mm
                                "F" mark
  Ignition timing                                                     Repeatedly
                                Full advance
                                Primary coil                          0.20.3
 Ignition coil resistance (20) Secondary     without plug cap        3.2 ~ 4.8K
                                coil         with plug cap           7.6 ~ 8.6K
  Pulser coil resistance (20)                                        100 ~ 120


 TESTING INSTRUMENT
 Electric tester:

 TROUBLESHOOTING
 No spark at plug                                   Engine starts but turns poorly
 · Faulty spark plug                                · Ignition primary circuit
 · Poorly connected, broken or shorted wire           --Faulty ignition coil
 · Faulty ignition switch                             --Poorly connected wire or connector
 · Faulty ignition coil                               --Poorly contacted ignition switch
 · Faulty ignition unit                             · Ignition secondary circuit
 · Faulty A.C. generator                              --Faulty ignition coil
                                                      --Faulty spark plug
                                                      --Faulty high-tension wire
                                                      --Poorly insulated plug cap
                                                    · Improper ignition timing
                                                      --Faulty A.C. generator
                                                      --Stator not installed properly
                                                      --Faulty ignition unit




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