Generic TR 125 Service Manual page 19

Spark plug without flashover
Fault Diagnosis
The spark plug Hot spark
jump weak or
no fire jump
Without sag
Normal
Normal Abnormal
Normal
Normal Abnormal
Abnormal
Adjustment Check
Replace new spark
plugs to check
Check the spark
plug check again
With sag
Check whether the plug
CDI group flabby
Abnormal
Examination of each terminal wire
plug CDI between conduction,
resistance value measurement
Related parts
inspection
Abnormal
Use the check CDI
group CDI test
Use the test CDI
ignition coil check
- 14 -
Fault Cause
Spark plug the bad
Spark plug cover relaxation
Plug contact undesirable
The Lord switch bad
Charging coil bad
Trigger bad
Ignition coil badly
The Lord wiring broken
Joint socket contact undesirable
Unhealthy CDI group
Unhealthy ignition coil