MAINTENANCE & TROUBLESHOOTING
Maintenance
Before fixing your equipment, make sure the engine is turned off and
completely cooled down.
Spark Plug:
PROBLEM
Spark Plug
No Spark
Ignition coil
Good Compression
Poor Compression
Normal
Spark
Carburetor Not
Engine Lacks Power:
PROBLEM
Good Compression
Ratio
Engine Overheats
Engine is noisy or
knocking
CAUSE
1. Spark plug is wet
2. Spark plug is dirty
3. The insulation is damaged
4. Spark gap is off
1. Wrap of wire damaged
2. Insulation of coil bad
3. The wire of coil broken
1. Too much fuel in the cylinder
ratio
2. Water or dirt in the fuel
1. Cylinder and piston ring worn or
torn
Ratio
2. The plug is loose
1. No fuel in the tank
2. Filter gauge is clogged
Fueling
3. Fuel tank has a hole
CAUSE
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
1. Gas is thin in fuel mix
2. Cylinder is dirty
3. Oil is bad
4. No connection with hose
1. Fuel bad Replace fuel
2. Dirt in cylinder
3. Parts are worn
19
SOLUTION
Dry Spark
Plug
Clean
Replace
Adjust
Fix or Replace
Replace
Replace
Drain
Replace
Replace
Tighten
Add Fuel
Clean
Clean
SOLUTION
Clean
Tighten
Stop Engine. Let Cool.
Replace Fuel
Clean
Replace Fuel
Clean
Replace Fuel with New 50:1
Pre Mix Fuel
Adjust hose connection
Replace Fuel
Clean
Fix or Replace