Stihl FS 50 Service Manual

29Series 4144 Components FC, FS, KM
Machine runs trouble-free,
no further action necessary
no
Install new
ignition module,
see "Series 4144 Powerhead"
yes
no
– Look for fault in fuel system or
carburetor
– Check engine for leaks
– Check position of flywheel on
crankshaft,
see "Series 4144 Powerhead"
yes
Check stop switch:
– Short circuit wire chafed?
– Operation of stop switch:
– Idle position = no connection
– Position "
0" = connection
– Install new short circuit wire if necessary,
b 5.9
2
3
Powerful
spark?
Engine
runs

Stihl FS 50 Specifications

General

Engine Displacement	27.2 cc
Power Output	0.8 kW
Engine Type	2-stroke
Shaft Type	Straight
Starter System	Recoil
Overall Length	147 cm
Vibration Level	4.5 m/s²