Instruction Manual

MS 171, MS 171 C, MS 181, MS 181 C, MS 211, MS 211 C
English
49
EPA / CEPA
The Emission Compliance Period
referred to on the Emissions
Compliance Label indicates the number
of operating hours for which the engine
has been shown to meet Federal
emission requirements.
Category
Engine
STIHL single-cylinder two-stroke engine
MS 171, MS 171 C
MS 181, MS 181 C
MS 211, MS 211 C
Ignition system
Electronic magneto ignition
(breakerless)
This ignition system fulfills all
requirements of the Canadian
Interference-Causing Equipment
Standard CAN ICES-2/NMB-2.
Fuel system
All-position diaphragm carburetor with
integral fuel pump
Chain lubrication
Fully automatic, speed-controlled oil
pump with rotary piston
Weight
Cutting attachment MS 171, MS 171 C
The actual bar length may be less than
the specified bar length.
STIHL cutting attachments complying
with CSA Standard Z 62.3:
Rollomatic E Mini guide bars
Saw chain 3/8" Picco
Specifications
A = 300 hours
B = 125 hours
C = 50 hours
Displacement: 31.8 cm
3
Cylinder bore: 38 mm
Piston stroke: 28 mm
Engine power accord-
ing to ISO 7293:
1.3 kW (1.8 HP)
at 10,000 rpm
Idle speed: 2,800 rpm
Maximum permissible
speed with cutting
attachment: 13,500 rpm
Displacement: 31.8 cm
3
Cylinder bore: 38 mm
Piston stroke: 28 mm
Engine power accord-
ing to ISO 7293:
1.5 kW (2.0 HP)
at 10,000 rpm
Idle speed: 2,800 rpm
Maximum permissible
speed with cutting
attachment: 13,500 rpm
Displacement: 35.2 cm
3
Cylinder bore: 40 mm
Piston stroke: 28 mm
Engine power accord-
ing to ISO 7293:
1.7 kW
(2.3 HP) at
10000 rpm
Idle speed: 2,800 rpm
Maximum permissible
speed with cutting
attachment: 13,500 rpm
Spark plug
(suppressed): NGK CMR6H
Bosch USR4AC
Electrode gap: 0.5 mm
Fuel tank capacity: 270 cm
3
(0.27 l)
Oil tank capacity: 265 cm
3
(0.265 l)
Dry, without cutting attachment
MS 171: 4.3 kg
MS 171 C: 4.6 kg
MS 181: 4.3 kg
MS 181 C: 4.6 kg
MS 211: 4.3 kg
MS 211 C: 4,6 kg
Bar lengths: 30, 35, 40 cm
Pitch: 3/8" P (9.32 mm)
Groove width: 1.1 mm
Sprocket nose: 7-toothed
Picco Micro Mini 3 (61 PMM3) Series
3610
Pitch: 3/8" P (9.32 mm)
Drive link gauge: 1,1 mm