Kymco MO MXer50 Service Manual - chap 15 (imp accensione)
15. IGNITION SYSTEM
15-0
MX’er 50
15
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IGNITION SYSTEM
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SERVICE INFORMATION -------------------------------------------- 15- 2
TROUBLESHOOTING ------------------------------------------------- 15- 3
IGNITION COIL -------------------------------------------------------- 15- 4
A.C.GENGRATOR ------------------------------------------------------ 15- 5
CDI UNIT INSPECTION----------------------------------------------- 15- 6
15
15. IGNITION SYSTEM
15-1
MX’er 50
IGNITION CIRCUIT
Ignition Switch
CDI Unit
ntrol
A.C. Generator/ Pulser Coil
Spark Plug
Ignition Coil
15. IGNITION SYSTEM
15-2
MX’er 50
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
BR8HAS
Spark plug
Hot type
Cold type
Spark plug gap
0.6_ 0.7mm
Ignition timing
“F” mark
Full advance
22ºBTDC/2000±100rpm
Primary coil
0.2_ 0.3W
Ignition coil resistance (20¢J)
Secondary
with plug cap
8.0_ 9.3KW
coil
without plug cap
3.0_ 4.2KW
Pulser coil resistance (20¢J)
50_ 200W
Exciter coil resistance (20¢J)
400_ 700W
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