Testing Chinese Magneto
CDI system
Look for current brakes (shorts)
Test coils
Test CDI Module
Capacitive
Discharge Ignition System
Stator, Pick-Up (sensor or trigger), External CDI Module and Ignition
(externa)l Coil
Rotor with magnets revolves around stator coils producing an EM Field
This current is grounded directly into the frame.
Pickup or Trigger
Coil emits
pulses,
to CDI
CDI brakes stator coil ground, current flows to Ignition coil.
Ignition
(external) Coil
Steps up
stator coil current, current arcs
across plug gap.
NO SPARK
If a good CDI module is available replace CDI
1 Check voltage to Ignition Coil - Voltage present check ignition coil.
2 No voltage to ignition coil check braking continuity at Trigger Coil
. No braking replace trigger
3 Trigger good check stator coil.
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