Pulser Coil - KYMCO MX 125 Service Manual

15
. IGNITION SYSTEM
Remove the front cover.
Remove the spark plug cap.
Disconnect the ignition coil wires.
This test is to inspect the continuity of
ignition coil.
Measure the resistance between the ignition
coil primary coil terminals.
Resistance: 0.2 0.3Ω/20
Remove the spark plug cap and measure the
secondary coil resistance between the spark
plug wire and the primary coil terminal.
Resistance: 3.2 4.8KΩ/20
This test is for reference only. Accurate
test should be performed with a CDI
tester.
Measure the spark plug cap resistance.
Remove the spark plug cap and measure the
spark plug resistance.
Resistance: 4.2 5.2KΩ/20
Measure the resistance in the XKΩ range
of the electric tester.
PERFORMANCE TEST
Test the performance with a CDI tester.
• Operate the CDI tester by following
the manufacturer's instructions.
• Use the special connector to connect
the CDI unit.
If the spark is weak, inspect the spark plug
and CDI unit. If both of them are normal,
replace the ignition coil with a new one.
Ignition Coil
MX'er SYSTEM

PULSER COIL

INSPECTION
15-6