Puxing PX1200BG - Ⅴ.troubleshooting

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5) Put the foam filter back into the shell of the air filter and make sure the foam filter at the
right position without spare room
6) Install the shell of the air filter then fix the clips
Ⅴ.Troubleshooting
1. Engine startup failure, causes and troubleshooting
phenomenon
causes
solutions
Normal
compression
ratio
Normal
spark
plug
Abnormal
intake
system
Poor
intake
or no
intake
Did not open the gas
valve
Open the gas valve
The main plug jet
Re-cleaning, blowing
through
Normal
intake
Inlet pressure error
Adjust the inlet pressure
The gas composition
error
Use the regulated gas
Normal
intake
system
Normal
high
voltage
spark
Abnormal
spark plug
Electrode dirt , carbon
deposit
Remove the dirt and
carbon deposit
Insulator damage,
severe burning cloud
electrode
Change the spark plug
Electrode gap not proper
Adjust the electrode gap
Abnormal
high
voltage
spark
Normal
spark
plug
High-voltage damage
Change the high-voltage
Magneto stator coil
damage
Chang the ignition stator
Magnet demagnetization
Change the flywheel
Abnormal
compression
ratio
Normal
Gas
supply
system
Abnormal
ignition
system
Piston ring wear overrun
Change with new piston
ring set
Piston ring break off
Change with new piston
ring set
Piston ring cement
Remove the carbon
deposit
No spark plug gasket or
not tighten
Fixed with gasket and
tighten
Between Cylinder body
and cylinder head
joint surface leakage,
Check cylinder head
gasket and cylinder
block roughness of
cylinder head joint
surface, screw cylinder
head bolt according to
the required torque and
sequence.
Valve leakage
Check Valve lash and
valve sealing, repair if
necessary