Stihl FS 50 Service Manual

53Series 4144 Components FC, FS, KM
: Inspect the tip (arrow) for
damage or wear and replace the
screw (L) if necessary.
– Screw down the low speed
screw (L) as far as stop.
– Continue with high speed screw.
High speed screw
: Use special tool 5910 890 4501
to pry the limiter cap (1) off the
high speed screw.
Do not re-install used cap – always
fit a new cap.
296RA263 TG
545RA015 TG
1
: Take out the high speed
screw (1).
: Inspect the tip (arrow) for
damage or wear and replace the
high speed screw if necessary.
– Screw down the high speed
screw (H) as far as stop.
545RA016 TG
1
296RA267 TG
Pre-installing limiter caps
Low speed screw (L)
Always use a new limiter cap and
position it so that the long part of the
cap butts against the underside of
the stop (arrow).
: Push the limiter cap (1) on to the
low speed screw as far as the first
detent – the limiter cap is thus
prepared for final installation.
296RA264 TG
1

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