The CDI component inspection is divided into two steps:
1. Inspect every wiring, winding or coil connected with CDI
2. Inspect the CDI component.
• Remove the CDI component.
• Inspect the conduction condition and the resistance value of the main switch, the ignition charging coil, the
trigger winding, and the ignition coil. When the main switch is in “OFF” position, it should be conducted, and
the resistance value of every coil should be the standard value.
• Inspect the resistance value between every CDI component terminal. If the actual value is not in the range of
the value in the chart, then the CDI component is faulty.
SW (B / W) EXT (B / R) PC (G / R) E (G or G / W) IGN (B / Y)
SW (B / W) 100 ~ : 50 ~ : 100 ~ : :
EXT (B / R) 0.5 ~ 50 100 ~ : : :
PC (G / R) 10 ~ 1000 10 ~ 1000 1 ~ 100 :
E (G or G / W) 0.5 ~ 50 0.5 ~ 50 1 ~ 10 :
B- Black W- White R - Red
• Remove the spark plug cap from the spark plug.
• Remove the primary ignition coil wires.
• Remove the ignition coil bolt from the ignition coil.
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