15. IGNITION SYSTEM ZING125
IGNITION COIL
CONTINUITY TEST
Remove the left decorative cover under the
fuel tank.
Disconnect the ignition coil black/yellow
wire coupler and measure the resistance
between the ignition coil primary wire
terminals.
Resistance: 0.20.3
Remove the spark plug cap and measure the
secondary coil resistance between the spark
plug wire and the primary coil terminal.
Resistance: 3.24.8 (without plug cap)
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: 4.25.8K
Measure the resistance in the XK
range.
Ignition Coil CDI Tester
PERFORMANCE TEST
Test 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.
Spark Plug CDI Unit
15-3