17FS 240 C, FS 260 C, FS 360 C, FS 410 C, FS 460 C-M
Problem Cause Remedy
Engine speed drops quickly under
load – low power, versions with M-
Tronic
Parts in carburetor or M-Tronic
wiring harness defective
Carry out M-Tronic diagnosis, if
necessary, replace carburetor or
M-Tronic wiring harness
Engine runs extremely richly, lacks
power and has very low final speed
Choke shutter does not open Check carburetor and choke shaft,
if necessary, repair lever at the
choke shaft (choke lever) or
replace carburetor
Engine does not start No spark Replace spark plug, check ignition
module/control unit, replace if
necessary
Starter grip not pulled forcefully
enough
– Fuel/air mixture too rich (flooded)
Remove and dry the spark plug,
crank the engine several times with
the starter to clear the combustion
chamber, reinsert and tighten spark
plug, repeat starting procedure
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