Stihl FS 50 Service Manual

15Series 4144 Components FC, FS, KM
5. Engine
5.1 Removing and Installing
– Remove the drive tube, b 9.1
– Remove the rewind starter,
b 6.2
: Take out the screw (arrow).
– Remove the filter cover (1).
: Take out the screw (arrow).
: Pull boot (1) off the spark plug.
545RA025 TG
1
545RA026 TG
1
: Pull the protective cap (1) off the
spark plug boot (2).
– Push the boot on to the spark
plug.
– Turn the machine over.
: Take out the screws (arrows).
– Turn the machine over
: Remove the shroud (1).
1
2
938RA087 TG545RA027 TG545RA028 TG
1
: Disconnect the short circuit wire
(1) and ground wire (2).
: Disconnect the tank vent hose (1)
from the filter housing (arrow).
: Disconnect the fuel return hose
(2) and fuel suction hose (1) from
the stubs (arrows).
– Install new fuel hoses, b 8.9.2
545RA029 TG
2
1
1
545RA030 TG545RA031 TG
1
2

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