14
Failed to push fuel-injec�ng pump
Push fuel-injec�ng pump un�l fuels
runs through lines
Water mixed with fuel Replace the fuel
Deteriora�on of spark plug or carbon
build up
Replace the spark plug
Bad contact between spark plug and
lead wire
Check the spark plug
The choke is the fully open Open to full posi�on
Wrong ra�o of fuel Replace
Water In Fuel Replace the fuel
The air filter is dirty Check and clean
Outlet o
f cylinder and muffler are
dirty
Remove the dirt
Piston, piston ring, and/or cylinder
have been worn
Replace
Fuel is out Add fuel (50:1 premix)
The lead wire of the plug is loose Check and replace
Spark plug is covered with carbon Replace the spark plug
The filter is clogged Clean
Water in fuel Replace fuel (50:1 premix)
The air vent in the tank lid is clogged Clean
Fails to Start
It starts but cannot
run at high spee
d
It runs but does not
work efficiently
Stops while running
9. TROUBLESHOOTING
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