No fueling form carburetor
No fuel in fuel tank
Fill fuel
Filter net dirty
Clean it
Air hole of fuel tank blocked
Clean it
2. Engine output is insufficient:
TROUBLE
CAUSE
REMEDIES
Compression ratio& fire is normal
Filter plate clogged
wash
Fuel mixed with water
Change fuel
Fuel mixed with water
Shut down or cool it
Carbon lay down in muffler
Clean it
Engine overheat
Consistency of fuel is too thin
Adjust carburetor
Carbon lay down on cylinder cover
Clean it
Engine oil is bad
Use special mobile oil
No connection with hose
connect
Dash sound
Bad fuel
Replace
Carbon lay down in combustion chamber
Clean it
Running parts wore and tore
Check & change
3. The engine shuts down in running:
TROUBLE
CAUSE
REMEDIES
The engine shut down
suddenly
The lead wire of sparking plug loosened
Connect if firm
The piston bitten
Change the piston or
remedy it
The sparking plug laid down the carbon or
short circuited
The fuel burned up
Feed the fuel
The engine shut down
slowly
Inside the carburetor clogged
Clean it
The air hole of fuel tank clogged
Clean it
The fuel mix with water
Replace the fuel
4. The engine shuts down difficultly
TROUBLE
CAUSE
REMEDIES
The fuel lever handle is located at the lowest
position, the engine still runs.
The fuel pulling cord is too short (the
idle speed is higher)
Adjust the pull
cord
5. Spraying:
TROUBLE
CAUSE
REMEDIES
No spray mixture jet or jet
intermittently
Nozzle switch or control
value clogged
Clean it
Liquid lead pipe clogged
Clean it
No pressure or the pressure
is lower
Tighten the tank lid and screw down
two wing nuts
Spray mixture leakage
The spraying lid plate fitted
incorrect
Refit it
Every threaded joint
loosened
Screw down it