Stihl FS 50 Service Manual

16 Series 4144 Components FC, FS, KM
– Press down the throttle lever until
the nipple (arrow) projects.
: Turn the pin (2) until the slot is in
line with the throttle cable (1).
– Remove the throttle cable (1).
– Turn the machine over.
: Take out the screws (arrows).
– Turn the machine over again and
lift the engine out.
545RA032 TG
1
2
545RA033 TG
: Remove the air baffle (1).
– Inspect the muffler and replace if
necessary, b 5.8
– Check the air filter, carburetor
and spacer flange, replace as
necessary, b 8.1, b 8.2, b 8.7
– Troubleshooting, b 4.4, b 4.5
All other operations are described in
the service manual for the "Series
4144 Powerhead".
5.2 Leakage test
See service manual for "Series
4144 Powerhead"
5.3 Oil seals
See service manual for "Series
4144 Powerhead"
5.4 Ignition Module /
Spark Plug Boot
See service manual for "Series
4144 Powerhead"
5.5 Clutch
See service manual for "Series
4144 Powerhead"
5.6 Flywheel
See service manual for "Series
4144 Powerhead"
5.7 Motor
See service manual for "Series
4144 Powerhead"
545RA034 TG
1
Installing
: Position the engine so that the
clutch (1) faces the drive tube
mounting (arrow) in the engine
housing.
: Fit the air baffle (1) over the
clutch drum with its straight side
facing up and the air slots (arrow)
facing the drive tube mounting.
: Position engine with air baffle on
the mounts (arrows) on the
engine housing.
545RA035 TG
1
545RA036 TG
1
545RA037 TG

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