Operations Manual

Table Of Contents
MAINTENANCE & TROUBLESHOOTING
Maintenance
Before fixing your equipment, make sure the engine is turned off and
completely cooled down.
Spark Plug:
PROBLEM
CAUSE
SOLUTION
No Spark
Spark Plug
1. Spark plug is wet
Dry Spark
Plug
2. Spark plug is dirty
Clean
3. The insulation is damaged
Replace
4. Spark gap is off
Adjust
Ignition coil
1. Wrap of wire damaged
Fix or Replace
2. Insulation of coil bad
Replace
3. The wire of coil broken
Replace
Normal
Spark
Good Compression
ratio
1. Too much fuel in the cylinder
Drain
2. Water or dirt in the fuel
Replace
Poor Compression
Ratio
1. Cylinder and piston ring worn or
torn
Replace
2. The plug is loose
Tighten
Carburetor Not
Fueling
1. No fuel in the tank
Add Fuel
2. Filter gauge is clogged
Clean
3. Fuel tank has a hole
Clean
Engine Lacks Power:
PROBLEM
CAUSE
Good Compression
Ratio
1. Filter is clogged
2. Air passes through the
connection of carburetor
3. Engine overheats
4. Water in the fuel
5. Dirt clogs the muffler
Engine Overheats
1. Gas is thin in fuel mix
2. Cylinder is dirty
3. Oil is bad
4. No connection with hose
Engine is noisy or
knocking
1. Fuel bad Replace fuel
2. Dirt in cylinder
3. Parts are worn
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