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Trouble shooting
Engine does not start
Cause
No spark in the spark pluc
. Wet spark plug electrodes
. Carbon deposited on the elektrodes
Reparation
ake them агу
_
leaning
O =
Spark plug
. Insulation failure by insulater damage
ES
Inproper spark gap
Exchange or repair
е the switch to ON _
change
3. Primery
wiring earthed
epair
Zündfunke ist vorhanden
. Over sucking of fuel
. Too rich fuel
. Overflow
Drain excess fuel
Adjust carburetor
Adjust or exchange carburetor
. Clogging of air cleaner
Wash with mixed gasoline
. Faulty fuel
Change with proper fuel
Fueling normal but poor
. Worn out cylinder, piston or piston ring
Exchange
2. Gas leakage from cylinder and
Ee
compression
Apply liquid gasket and reassemble
crank case gasket
. Choked breather air hole
Cleaning
No fuel supply
. Clogged carburetor
Cleaning
Clogged fuel filter
Exchange fuel filter
Lack of power or unstable running
Problem
Cause
. Air penetration from fuel pipe joints etc.
2. Air penetration from intake tube joint or
carburetor joint
. Water in fuel
. Piston starts to seize
. Muffler choked with carbon
Cleaning
. Fuel too lean
Adjust carburetor
. Clogging of cylinder fin with dust
Cleaning
Overheating
. Inferior fuel
Change with proper fuel
. Carbon depositet in combustion chamber
[Cleaning
. Spark plug electrode red hot
Clean, adjust spark gap (0.6-0.7mm)
. Dirty air cleaner
Wash with mixed gasoline
Others
. Over loading
Reduce load
Compression and fueling is
normal
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—
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O
Reparation
Secure connection
Compression is normal and
Change gasket or thighten screws
no misfire
Change with proper fuel
Replace piston (and cylinder
AN
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сл
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WARNING:
Fuell must never be poured into the waste water or anywhere else. This would
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be punishable facts of the case. In the sewer there is an extreme risc of
explosion by spontanous ignition even at low temperature with damage which
cannot be forseen.
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