KYMCO X -Town 125 ABS Service Manual page 21

1. GENERAL INFORMATION
POOR PERFORMANCE AT LOW AND IDLE SPEED
1. Check ignition timing
Correct
2. Inspect the fuel flow
Normal
3. Inspect the fuel injector
Normal
4. Check for leaks in the intake pipe
No leak
5. Perform spark test
Good spark
1-19
Incorrect
Abnormal
Abnormal
Leaking
Weak or intermittent spark
X -Town 125 ABS/ CBS
Possible cause
 Improper ignition timing
 Faulty pressure regulator
 Faulty injector
 Loose insulator clamp
 Damage insulator
 Faulty the spark plug
 Faulty carbon or wet fouled spark
plug
 Faulty ECU
 Faulty ignition coil
 Faulty ignition pulse generator
 Faulty ignition switch
 Loose or disconnected spark plug
wires