15. IGNITION SYSTEM
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: 0.2～0.3Ω
Remove the spark plug cap and measure the
secondary coil resistance between the spark
plug wire and the primary coil terminal.
Resistance: 3.2～4.8Ω (without plug cap)
Measure the spark plug cap resistance.
Remove the spark plug cap and measure the
spark plug resistance.
Resistance: 4.2～5.8KΩ
PERFORMANCE TEST
Test performance with a CDI tester.
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.
This test is for reference only. Accurate
test should be performed with a CDI
tester.
Measure the resistance in the XK
range.
Operate the CDI tester by following
the manufacturer‘s instructions.
• Use the special connector to connect
the CDI unit.
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