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Abnormal combustion
Engine cannot start
because
of
lacking
IV. STOP SUDDENLY WHEN RUNNING
TROUBLE
Stop suddenly
when running
V. GASOLINE ENGINE IS EXCEESIVELY HOT
TROUBLE
Gasoline engine is
excessively hot
Roller bearing for crankshaft main
shaft is worn
Engine is too hot
Too
much
combustion chamber
Improper
gasoline quality
There is water in float chamber
Improper
clearance
spark
Incorrect ignition time
Something wrong with induced coil,
and so on
Fuel supply
system
Ignition system
The other
CAUSE
Improper ignition time
Insufficient fuel supply
Exhaust pipe is blocked up
Flow guard is leaking
carbon
deposit
gasoline
brand
spark
plug
electrodes
CAUSE
Fuel is used up
Carburetor is clogged
Float is leaking
Needle valve sticks
Spark plug is struck
through,
short-circuited by carbon
deposit
Side electrode of spark
plug is dropped out
High-pressure wire is
dropped out
Ignition coil is struck
through to be
short-circuited
Parking wire is located
on engine body
Cylinder is pulled
damage, valve is
dropped out
20
Replace roller bearing
Shoot trouble
in
Clear away
or
low
Replace
gasoline
Clean
Adjust
Readjust
Check
damaged parts
Refill fuel
Check fuel line and dredge
Repair
Dismantle
and criminate it
or
Replace spark plug
Replace spark plug
Replace ignition coil
Find out meeting and
Repair or replace damaged
REMEDY
Adjust ignition advance angle
properly
Refill engine oil
Dredge exhaust pipe
Repair damaged part
with
qualified
and
replace
REMEDY
float
chamber
Weld on
insulate
parts
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