Stihl MS 181 User Manual

66 MS 171, MS 181, MS 211
: Check operation
– short circuit wire connector
must touch the contact spring
(arrow) in position “
0“.
– Install the carburetor, b 14.3
– Install the throttle rod, b 14.6
– Install the handle molding,
b 12.2
– Reassemble all other parts in the
reverse sequence.
– Tightening torques, b 3.5
12.2 Throttle Trigger /
Interlock Lever
– Remove the filter base, b 14.2
: Use a screwdriver to ease the
lugs (arrows) apart and push
them through the handle frame
from below.
533RA174 TG
533RA260 TG
: Remove the handle molding (1).
: Disconnect the throttle rod (1)
from the throttle trigger (arrow).
: Pry the interlock lever (1) out of
its mounts and lift it away.
533RA261 TG
1
533RA247 TG
1
533RA263 TG
1
: Remove the throttle trigger (1)
with torsion spring (2).
– Inspect the interlock lever,
throttle trigger and torsion spring
and replace if necessary.
: Attach the torsion spring (1) to
the throttle trigger (2)
– note installed position (arrow).
: Place throttle trigger (1) in
mounts (arrow) in rear handle.
5
33RA264 TG
1
2
1
1
533RA267 TG
2
5
33RA268 TG
1
1
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Stihl MS 181 Specifications

General

Idle speed	- RPM
Motor type	2-stroke motor
Chain pitch	3/8 \
Blade length	400 mm
Product color	Black, Grey, Orange
Chain tensioner	Yes
Motor speed (max)	10000 RPM
Fuel tank capacity	0.266 L
Engine displacement	31.8 cm³
Power source	Gasoline
Sound power level	112 dB
Vibration emission	3.5 m/s²
Sound pressure level	100 dB

Weight and Dimensions

Weight	43004300 g