Help in case of malfunction
Malfunction
Engine does not start.
Uneven function
Loss of power during
operation
Please enter the engine serial number and date
of purchase below. You will need this information
Engine serial number:
Date of purchase:
493127_d
Cause
Lack of fuel
Poor quality, contaminated fuel,
old fuel in tank
Incorrect starting procedure
Spark plug not connected
■
Spark plug wet
■
Dirty spark plug electrodes
■
Incorrect spark plug elec-
trode gap
Air filter clogged
Unsuitable oil for the season
Vapour bubbles forming within
the carburettor due to high tem-
peratures
Combustion problems
Ignition problems
■
Dirty spark plug electrodes
■
Incorrect spark plug elec-
trode gap
Spark plug connector poorly fit-
ted
Air filter clogged
Choke engaged
Combustion problems
Ignition problems
Air filter clogged
Combustion problems
Remedy
Top up with fuel.
Empty tank and fill with fresh fuel.
Execute the starting process correctly.
Check the spark plug connector, make
sure that it is firmly seated on the spark
plug.
Check the spark plug.
Check and clean the air filter.
Check the oil, replace if necessary.
Wait a few minutes, then try again.
Only have the check performed in a
customer service workshop!
Only have the check performed in a
customer service workshop!
Check the spark plug.
Check the spark plug connector, make
sure that it is firmly seated on the spark
plug.
Check and clean the air filter.
Disengage the choke.
Only have the check performed in a
customer service workshop!
Only have the check performed in a
customer service workshop!
Check and clean the air filter.
Only have the check performed in a
customer service workshop!
when ordering replacement parts and when mak-
ing technical or warranty inquiries.
Engine serial number:
25