15. IGNITION SYSTEM AGILITY 50 TROUBLESHOOTING High voltage too low No or intermittent high voltage · Weak battery or low engine speed · Faulty ignition coil · Loose ignition system connection · Weak battery · Faulty ignition coil · Faulty charging system · Faulty CDI unit · Faulty pulser coil Intermittent high voltage · Faulty ignition switch · Poorly connected CDI unit coupler · Poorly connected or broken CDI ground wire · Faulty pulser coil · Loose high tension wire connection · Faulty CDI unit Normal high voltage but no spark at plug · Faulty spark plug · Faulty spark plug cap No high voltage · Faulty ignition switch · Dead battery or faulty regulator/rectifier · Faulty charging circuit · Faulty ignition coil · Faulty CDI unit 15-2