kymco mo mxer Manuale Di Servizio

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15
. IGNITION SYSTEM
15-2
MX’er SYSTEM
SERVICE INFORMATION
GENERAL INSTRUCTIONS
• Check the ignition system according to the sequence specified in the Troubleshooting.
• The ignition system adopts CDI unit , change gear control and the ignition timing cannot be
adjusted.
• If the timing is incorrect, inspect the CDI unit, A.C. generator, change gear control and replace
any faulty parts.  Inspect the CDI unit with a CDI tester
• Loose connector and poor wire connection are the main causes of faulty ignition system.  Check
each connector before operation.
• Use of spark plug with improper heat range is the main cause of poor engine performance.
• The inspections in this section are focused on maximum voltage. The inspection of ignition coil
resistance is also described in this section.
• Inspect the ignition switch according to the continuity table specified in page
 17-5.
• Inspect the spark plug referring to Section 3.
SPECIFICATIONS
Item
Standard
Standard type
CR8E
Spark plug
Hot  type
Cold type
Spark plug gap
0.6_
0.7mm
Ignition timing
“F” mark
Full advance
15ºBTDC/1,700±100rpm
Primary coil
0.2_
0.3W
Ignition coil resistance
(20℃ )
Secondary  with plug cap
3.2_
4.8KW
coil
 plug cap
4.2_
5.2KW
Pulser coil resistance (20℃ )
50_
60W
Exciter coil resistance (20℃ )
100_
120W
Ignition coil primary side max. voltage
12V min.
Pulser coil max. voltage
2.1V min.
TESTING INSTRUMENT
Kowa Electric Tester
or commercially available electric tester with resistance over 10MW/CDV