US Praxis PRX130, Owner'S Manual

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33
Symptom Cause Action
The engine won’t start
­ User error
­ Fuel system
­ Spark plug
­ No spark after
checking spark plug
­ Low compression
Fuel valve closed.
Choke valve open.
Engine switch in OFF position.
Fuel tank empty.
Machine stored without observing
proper procedure from chapter
“Storage/Winter storage”.
Contamination, water or ice in fuel
system.
Carburetor problems.
Wrong spark plug type.
Buildup on electrodes.
Short circuit.
Gasoline or oil on the spark plug.
Faulty engine switch, cable or
ignition.
Serious interior engine damage or
faulty valves.
Open the fuel valve. Close the
choke with cold engine. Turn
engine switch to ON.
Fill with fuel.
Clean tank, sludge reservoir and
empty carburetor.
Fill the tank with fresh fuel.
Clean tank, sludge reservoir,
fuel lines and carburetor Fill the
tank with fresh fuel.
Replace the spark plug. Check
electrode gap and clean or
replace spark plug. Clean the
spark plug. Air the engine out.
Start with full throttle.
Contact authorized service
workshop.
Contact an authorized service
workshop.
TROUBLE SHOOTING
­Continued­