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Description Routine
◆
● Plunger ring is damaged
● Air leakage from gasket position
Yes No or Lower
● Parts of Carburetor jammed
No Yes
● Spark plunger polluted/damaged
● Temperature of spark plunger wrong
Clean Dirt
● Valve socket not work well
● Mix air time not good
Check spark plunger
Check Carburetor jammed.
Engine is too hot or not
● Oil is not replaced
● Mix air rare
● Quality of oil bad
No Yes
Speed up or work at high
speed
Check oil quantity
level and quality
OK
●
● Too many oil
● Oil is not enough No
● Plunger or Cylinder damaged
● Too many carbon powers in firebox
● Ignition time wrong
● Mix air rare
● Ignition time wrong
● Quality of oil is bad
● Too many carbon powers in firebox
● Cooling liquid not enough
Reasons
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