Specifications

(5)Trouble shooting:
1.Hard starting or can’t start:
check there is fuel or not
pipe between fuel tank and
carburetor is blocked
float is blocked
Fuel gauze is blocked
Auto cock is malfunctioned
spark plug out of order
dirty
CDI unit out of order
pulse generator out of order
ignition coil cable disconnect
or short circuit
Ignition coil disconnect or
short circuit
main switch out of order
defective magneto coil
starting clutch out of order
valve is too tight, no clearance
valve base out of order
Cylinder piston, piston ring out
out of order
cylinder gasket leakage
valve burns out
wrong valve timing
bad action of auto choke
air trapped in intake manifold
wrong ignition timing
bad adjustment of carburetor’s
fuel adjusting screw
carburetor fuel level too high
malfunction of auto choke
throttle valve open too largely
Check and adjust Trouble condition The reason
The fuel supplies carburetor
enough or smooth
loosen carburetor draining
screw, check if inside of
carburetor have fuel or not
No fuel supplies
carburetor
Remove spark plug , insert
spark plug cover , and touch
with engine check there is
any spark
there is sparking in
spark plug
No sparking or
weak sparking
Measurement of
compression pressure
pressure is normal
unsufficient or no
pressure
start engine as the
instruction of starting
engine
engine has no
knocking
engine knocking
and can’t start
Remove spark plug and
check again
dry wet