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TROUBLESHOOTING
Problem
Reason
Solution
Engine does
not start or it
is difficult to
start it
No ignition
(spark)
Spark plug
Moisture
present
Dry
Sediment on
the plug
Clean
Too small /
large gap
between the
electrodes
Set the gap
to 0.6-0.7mm
Damaged
insulation
Replace the
plug
Damaged
electrodes
Replace the
plug
The sparker
Damaged
wires
insulation
Replace or
repair
Damaged coil
insulation
Replace
Damaged coil
wire
Replace
Damaged
electronic
ignition device
Replace
The ignition is
working
properly
Normal
compression
ratio and
fuel
consumption
Excessive fuel
consumption
Reduce the
amount of
fuel
consumed
Poor quality
fuel, mixed
with water or
contaminated
Replace fuel
with new fuel
Incorrect
compression
ratio, correct
fuel
consumption
Worn or
damaged
cylinder and
piston ring
Replace
cylinder and
piston ring
Spark plug
loose
Tighten.
No fuel in
the
carburetor
No fuel in the
tank
Refill
Dirty filter
mesh
Clean