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9. TROUBLE SHOOTING
Depending on the symptoms that you notice, you can discover the probable cause and solve the problem.
The cylinder’s
compression is
normal
The spark plug
is OK
Probable Cause
Corrective Action
YES
YES
No fuel in the tank
Fill fuel tank with fuel
The gasoline filter is dirty
Clean the filter
There is water in the fuel
Replace fuel
The gasoline used is not the right
kind
Change the fuel with one with
proper octane
The carburetor is dirty
Send your machine to the
service technician
YES
No
The switch is “O”
Turn the switch to “I”
The spark plug is dirty
Clean the spark plug
The spark plug pipe is not connected
Connect the spark plug
No compression
YES
The spark plug is loose
Tighten the spark plug
The piston and its segments are
worn
Send your machine to the
service technician
The cylinder is scratched
Send your machine to the
service technician
The engine
does not turn
Cold engine
Send your machine to the
service technician
