Ignition Coil Inspection - KYMCO MX’er 125 Service Manual

15
. IGNITION SYSTEM
Switch Range Good CDI
1. OFF No spark
2. P No spark
3. EXT No spark
4. ON1 Good spark
5. ON2 Good spark
If the CDI unit is faulty, replace it with a new
one.
Remove the seat.
Disconnect the change gear control coupler and
remove the change gear control unit.
Measure the resistance between the terminals
using the electric tester.
Testing Range
Use the xKΩ range for the Sanwa Tester.
Use the xKΩ range for the Kowa Tester.
Probe⊕
Black
(-)Probe
Black
Green
Green/
Yellow
Green/
Pink
Light Green/
Red
Blue/
Yellow
Yellow/
Brown
Note: The readings in this table are taken with a
Sanwa Tester.
15-5
Faulty CDI


Good spark
No spark
No spark
Green/
Green
Yellow
5-50K 5-50K
5-50K
5-50K
50-200K 50-200K
0 5-50K
Ignition Coil
Spark Plug
Blue/Yellow Yellow/Brown
Black
Green /Pink
Green/ Light Green/
Pink Red
5-50K 5-50K
5-50K 5-50K
10-50K 10-50K
0
0
50-200K 50-200K
5-50K 5-50K

IGNITION COIL INSPECTION

CONTINUITY TEST
Remove the front cover.
Remove the spark plug cap.
Disconnect the ignition coil wires.
*
This test is to inspect the continuity of
ignition coil.
Spark
Window
MX'er SYSTEM
CDI Unit
Light Green/Red
Green Green /Yellow
Unit: KΩ
Blue/ Yellow/
Yellow Brown
5-50K 5-50K
5-50K 0
10-50K 5-50K
5-50K