TROUBLESHOOTING
Symptom
Engine will not start
User error
Fuel system
Spark plug
No spark after checking spark plug
Low compression
Engine is under-powered or runs unevenly
Air filter
Fuel system
Blue or voluminous
Black exhaust
Ignition system
Low compression
Cause
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.
Gasoline or oil on the spark plug.
Faulty engine switch, cable or ignition.
Serious interior engine damage or faulty valves.
Clogged air filter
Machine stored without observing proper procedure from chapter “Storage/Winter storage”
Contaminated or incorrect fuel
Choke left on
Clogged air filter
Carburetor problems
Wrong spark plug type
Faulty ignition unit.
Serious interior engine damage or faulty valves.
Action
Open the fuel valve.
Close the choke with cold engine. Turn the engine switch to ON Fill with fuel
Clean tank, sludge reservoir and empty carburetor. Fill the tank with fresh fuel.
Clean tank, sludge reservoir and empty carburetor. Fill the tank with fresh fuel.
Contact an authorized service workshop.
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 an authorized service workshop.
Contact an authorized service workshop.
Clean or replace the air filter
Clean tank, sludge reservoir and empty carburetor. Fill the tank with fresh fuel.
Clean tank, sludge reservoir and empty carburetor. Fill the tank with proper fuel.
Open choke valve
Clean or replace the air filter
Contact an authorized service workshop.
Replace the spark plug
Check electrode gap and clean or replace spark plug.
Contact an authorized service workshop.
Contact an authorized service workshop.
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