TROUBLESHOOTING
38
PROBLEM
CAUSE
ACTION
Engine will not start
User error
Fuel valve closed
Choke valve open
Engine switch in OFF position
Open the fuel valve
Close the choke with cold engine
Turn the engine switch to ON
Fuel system
Fuel tank empty
Machine stored without observing
proper procedure from chapter
“Storage/Winter storage”
Contamination, water or ice in fuel
system
Carburetor problems
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
Spark plug
Wrong spark plug type
Build-up on electrodes Short circuit
Gasoline or oil on the spark plug
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
No spark after checking spark plug Faulty engine switch, cable or
ignition
Contact an authorized service
workshop
Low compression
Serious interior engine damage or
faulty valves
Contact an authorized service
workshop
Engine is weak or runs unevenly
Air filter
Clogged air filter
Clean or replace the air filter
Fuel system
Machine stored without observing
proper procedure from chapter
“Storage/Winter storage”
Clean tank, sludge reservoir and
empty carburetor Fill the tank with
fresh fuel
Blue or voluminous
blue-white exhaust
Contaminated or incorrect fuel
Clean tank, sludge reservoir and
empty carburetor Fill the tank with
proper fuel
Black exhaust
Choke left on
Clogged air filter
Carburetor problems
Open choke valve
Clean or replace the air filter
Contact an authorized service
workshop
Ignition system
Wrong spark plug type
Build-up on electrodes Short circuit
Faulty ignition unit
Replace the spark plug
Check electrode gap and clean or
replace spark plug
Contact an authorized service
workshop
Low compression
Serious interior engine damage or
faulty valves
Contact an authorized service
workshop
Summary of Contents for SG13
Page 36: ...36 8064 026 For maintenance of the engine refer to the manufacturer s Owners Manual ...
Page 45: ...45 SERVICE JOURNAL Action Date stamp signature ...
Page 46: ...46 Action Date stamp signature ...
Page 47: ......
Page 48: ...Original instructions 2010 03 11 115 15 19 26 z SS 6I z SS 6I ...