Stihl MS 181 User Manual

91MS 171, MS 181, MS 211
: Use a blunt screwdriver to push
both manifold flanges (arrows) in
the direction of the cylinder.
: Push the carburetor carrier (1)
into the guides (arrows) in the
engine housing as far as stop.
When installing, make sure the
wiring harness is not pinched and
the manifold is not damaged.
– Pass the ends of the strings
through the bores (arrows) and
position the manifold flanges
against the bores in the
carburetor carrier (1).
533RA394 TG
1
533RA395 TG
: Pull the ends of the strings with
the manifold flanges (arrows)
through the bores.
The manifold flanges are thus
pulled through the carburetor carrier
and into position without being
damaged.
: Position the fuel hose (1) in the
guide (arrow) on the carburetor
carrier and route the hose
connector (2) over the rib – fuel
hose is attached.
533RA396 TG533RA218 TG
1
2
: Fit the wiring harness (1) in the
guide (arrow).
: Fit the sleeve (1).
The fuel hose (arrow) must attached
to the carburetor carrier.
– Make sure the wiring is properly
seated in its guides.
– Reassemble all other parts in the
reverse sequence.
– Tightening torques, b 3.5
533RA389 TG
1
533RA398 TG
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