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 16-2