KYMCO Venox 250, Service Manual

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15
. IGNITION SYSTEM
15-2
VENOX250/250i
SERVICE INFORMATION
GENERAL INSTRUCTIONS
x
Inspect the ignition system according to the sequence specified in the Troubleshooting 15-3.
x
The ignition system has a CPU in the CDI unit, so the ignition timing is not adjustable.
x
Do not drop or impact the CDI unit with strong force to avoid damage. Be careful when
removing it.
x
Loose connector and poor wire connection are the main causes of faulty ignition system. Check
each connector before operation.
x
Check the spark plug heat range. Use of spark plug with improper heat range is the main cause of
poor engine performance or burned engine.
x
Perform inspections according to the servicing procedures specified in each section.
SPECIFICATIONS
Item Standard
Standard type CR8E
Hot type CR7E
Spark plug
Cold type CR9E
Spark plug gap 0.6
阡
0.7mm
Ignition timing BTDC 10
°±
2
°
/1000rpm
Ignition type Fully Transistor Ignition
Primary coil 3.57
:
~4.83
:
Ignition coil resistance
(20
℃
)
Secondary
coil
with plug cap 14.96K
:
~20.24 K
:
Pulser coil resistance (20
℃
) 396
阡
594
:
Ignition timing(VENOX 250I)--- BTDC 10°±2°/1300rpm
TESTING INSTRUMENT
Electric Tester