KYMCO MXU 300 - PULSER COIL INSPECTION

17. IGNITION SYSTEM
17-7
MXU 300/250
Measure the spark plug cap resistance.
Remove the spark plug cap and measure the
spark plug resistance.
Resistance: 4.2～5.2KΩ/20◦C
PERFORMANCE TEST
Test the performance with a ignition unit
tester.
If the spark is weak, inspect the spark plug
and ignition unit. If both of them are normal,
replace the ignition coil with a new one.
PULSER COIL
INSPECTION
Remove the front fender. (Refer to the
chapter 2)
Disconnect the pulser coil wire coupler and
measure the resistance between the blue/
yellow and green/white wire terminals.
Resistance: 105～110Ω/20◦C
Refer to the “A.C.
GENERATOR/FLYWHEEL” section in the
chapter 16 to remove or install.
Ignition Coil
CDI Uni
t
Spark Plug
CDI Teste
r
• Operate the ignition unit tester by
following the manufacturer‘s
instructions.
• Use the special connector to connect
the ignition unit.
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Measure the resistance in the XKΩ range
of the electric tester.
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