um CHILL 125 cc. Service Manual page 38

5. Maintenance depending on the performance.
Before issue analysis, please check:
 The MIL works well.
 Clear the history malfunction code.

When the malfunction code comes again, note the conditions
Check the following
 Whether there is leakage of the fuel pipe or not.
 Whether there is block/leakage or damage of the intake pipe.
 Aging level of the high-voltage cable.
 Whether the ground connection is strong enough.
 All the connectors connected well.
Note: if any item above exists, please do the repair before issue analysis.
CHILL 125 cc. SERVICE MANUAL AND EFI DIAGNOSTIC
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38