TGB Xmotion 125 Owner's Manual page 204

c.
d.
3. Defective ignition timing.
a. Defective flywheel magneto.
b. Defective C.D.I .
c.
d. Too high electric resistance of spark plug.
Starter System
Starter motor unable to run.
1. Damaged battery.
2. Battery circuit broken, bad contact or too large resistance at connections.
3. Fuse fused.
4. Defective main switch.
5. Defective front and rear brake switches.
6. Defective starter motor switch.
7. Defective starter motor relay.
8. Defective starter motor.
9. Circuitry conductor defective or broken.
10. Starter motor drive pinion locked with the over speed clutch gear.
Weak drive of starter motor:
1. Insufficient recharging of battery.
2. Bad contact on circuit conductors.
3. Strange object introduced in the starter motor pinion.
4. Armature shaft bent.
5. Commutator unclean or worn.
6. Brush worn or spring too weak.
7. Starting motor of relay defective.
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Defective spark plug.
I. Spark plug covered by carbon.
II. Electric leakage in ceramic part of spark plug.
Electric leakage from spark plug rubber screen.
Too large gap of spark plug.
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