TROUBLESHOOTING
SymptomCauseAction
The engine will not start
User errorFuel valve closed.Open the fuel valve.
Choke valve open.Close the choke with cold
engine.
Engine switch in OFF position.Turn the engine switch to ON.
Fuel systemFuel tank empty.Fill with fuel.
Machine stored withoutClean tank, sludge reservoir and
observing proper procedureempty carburetor.
from chapter ?Storage/WinterFill the tank with fresh fuel.
storage?
Contamination, water or ice inClean tank, sludge reservoir,
fuel system.fuel lines and carburetor. Fill
the tank with fresh fuel.
Carburetor problems.Contact an authorized service
workshop.
Spark plugWrong spark plug type.Replace the spark plug.
Build-up on electrodes.Check electrode gap and clean or
Short circuit.replace spark plug.
Gasoline or oil on the spark plug.Clean the spark plug. Air the
engine out. Start with full throttle.
No spark afterFaulty engine switch, cableContact an authorized service
checking spark plugor ignition.workshop.
Low compressionSerious interior engineContact an authorized service
damage or faulty valves.workshop.
Engine is under powered or runs unevenly
Air filterClogged air filter.Clean or replace the air filter.
Fuel systemMachine stored without observ-Clean tank, sludge reservoir and
ing proper procedure fromempty carburetor.
chapter ?Storage/Winter storage?Fill the tank with fresh fuel.
(Blue exhaust)Tank filled with 2-cycle mixed oil.Fill the tank with proper fuel.
(Voluminous blue-whiteTank filled with diesel.Clean tank, sludge reservoir
exhaust)and empty carburetor.
Fill the tank with proper fuel.
(Black exhaust)Choke left on.Open choke valve.
Clogged air filter.Clean or replace the air filter.
Carburetor problems.Contact an authorized service
workshop.
Ignition systemWrong spark plug type.Replace the spark plug.
Build-up on electrodes.Check electrode gap and clean or
Short circuit.replace spark plug.
Faulty ignition unit.Contact an authorized service
workshop.
Low compressionSerious interior engine damageContact an authorized service
(possible blueor faulty valve.workshop.
exhaust)
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