Stihl MS 181 User Manual

67MS 171, MS 181, MS 211
: When installing the interlock
levers, make sure the stop (1)
engages the guide (arrow).
– Set throttle trigger to the full
throttle position and hold it there.
: Attach interlock lever (2) to
torsion spring (3) and push it into
the guides (arrows) until it snaps
into position.
: Depress the interlock lever until
its stop (1) engages
– this is the position required for
mounting the handle molding.
533RA269 TG
1
533RA270 TG
1
2
3
: Attach the throttle rod (1) to the
throttle trigger (arrow).
Make sure the throttle rod is
properly located in the mounts,
b 14.6
: Fit forked end (arrow) of handle
molding (1) over the throttle rod
mount.
533RA271 TG
1
533RA200 TG
: Fit the handle molding (1) over
the interlock lever (arrow),
making sure the throttle rod
remains attached to the throttle
trigger – the handle molding
secures the throttle rod in
position.
: Push lugs (2) of handle molding
(1) into opening until they snap
into position.
– Check operation.
– Reassemble all other parts in the
reverse sequence.
– Tightening torques, b 3.5
533RA273 TG
1
2
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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