TROUBLE
CAUSE
REMEDY
Stop suddenly when
running
Fuel supply system
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2. Carburetor is clogged
3. Float chamber is leaking
4. Needle valye is sticked
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2. Check fuel line and dredge
3. Repair
4. Dismantle foat chamber and eliminate it
Ignition system
1. Spark plug is punctured, or short-circuited
by carbon deposit
2. Side electrode of spark plug is dropped out
3. High-tension wire is dropped out
4. Ignition coil is punctured or short-circuited
5. Parking wire is located on engine body
1. Replace spark plug
2. Replace spark plug
3. Weld on
4. Replace ignition coil
5. Find out meeting and insulate
The other
1. Cylinder is seriously scored and valve
dropped out
1. Repair or replace damaged parts
TROUBLE
CAUSE
REMEDY
Gasoline engine is
overheat
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gasoline
2. Exhaust pipe blocked up
3. Shroud leaking
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5. Connection rod deformation to make
piston and cylinder bushing side wear
6. Cylinder or piston or piston ring is worn
to make hunting between cylinder and
crankcase
7. Improper adjustment of engine governor
to produce speed high
8. Crankshaft main bearing burnt out
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2. Clean exhaust pipe
3. Repair damaged part
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5. Replace connection rod
6. Replace the won parts
7. Readjust engine governor
8. Replace main bearing
Stop Suddenly When Running
Gasoline Engine Is Overheat
15
| Troubleshooting
