Ignition System - KYMCO PEOPLE S 125 Service Manual

15

. IGNITION SYSTEM

SPECIFICATIONS
Item
Spark plug
Spark plug gap
Ignition timing
Ignition coil resistance (20℃)
Pulser coil resistance (20℃)
Ignition coil primary side max. voltage
Pulser coil max. voltage
TESTING INSTRUMENT
Kowa Electric Tester
TROUBLESHOOTING
High voltage too low
• Weak battery or low engine speed
• Loose ignition system connection
• Faulty CDI unit
• Faulty ignition coil
• Faulty pulser coil
Normal high voltage but no spark at plug
• Faulty spark plug
• Electric leakage in ignition secondary circuit
• Faulty ignition coil
Good spark at plug but engine would not start
• Faulty CDI unit or incorrect ignition timing
• Improperly tightened A.C. generator flywheel
15-3
Standard type
Hot type
Cold type
"F" mark
Full advance
Primary coil
Secondary with plug cap
coil without plug cap
No high voltage
• Faulty ignition switch
• Faulty CDI unit
• Poorly connected or broken CDI ground wire
•Dead battery or faulty regulator/rectifier
• Faulty ignition coil connector
• Faulty pulser coil
PEOPLE S 4T
Standard
C7HSA(NGK)
C6HSA(NGK)
C8HSA(NGK)
0.6～0.7mm
15°BTDC/1,700±100rpm
28°BTDC/5,000±100rpm
0.1～1.0Ω
7～12KΩ
2～4KΩ
70～130Ω
12V min.
2.1V min.