Stihl MS 171 Technical Information

Technical Information 27.2013 Page 3
TI_27_2013_30_01_01.fm
3. Starters
3.1 Easy2Start™ starter
The Easy2Start™ starter is converted from a
version with two pawls (1) to a version with one pawl
(2). The pawl does not change.
At the same time, the previous spring (3)
1128 195 3500 is replaced by the spring (4)
1118 195 3500.
Spare parts/service notes
The part number 1139 080 2103 for the
Easy2Start™ starter remains unchanged.
The previous spring 1128 195 3500 remains
available as a spare part.
3.2 Segment
The previous segment 1139 084 7800 is being
replaced by the new segment 1139 084 7802.
The new segment 1139 084 7802 has changed
geometrically and ensures a larger amount of
cooling air.
Spare parts/service notes
The new segment 1139 084 7802 can also be used
for previous versions.
The previous segment 1139 084 7800 is no longer
available as a spare part.
For MS 211 versions with a new "cylinder with piston
Ø 40 mm" 1139 020 1205, the previous segment
1139 084 7800 must not be used (see b 7).
Left: previous Easy2Start™ starter
1139 080 2103 with two pawls (1) and
previous spring (3)
Right: new Easy2Start™ starter 1139 080 2103
with one pawl (2) and a different spring (4)
21
3
1
4
533TI029 KN
Left: previous segment 1139 084 7800
Right: new segment 1139 084 7802
533TI030 KN
1139 084 7800 1139 084 7802

Stihl MS 171 Specifications

General

Idle speed	- RPM
Motor type	2-stroke motor
Chain pitch	3/8 \
Blade length	350 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	4.5 m/s²
Sound pressure level	99 dB