Instruction Manual

Table Of Contents
Engine power to ISO 7293: 1.3 kW (1.8 bhp) at
10,000 rpm
Idle speed:
1)
2,800 rpm
33.1.2 MS 181, MS 181 C
Displacement:
31.8 cc
Bore: 38 mm
Stroke: 28 mm
Engine power to ISO 7293: 1.5 kW (2.0 bhp) at
10,000 rpm
Idle speed:
1)
2,800 rpm
33.1.3 MS 211, MS 260 C
Displacement:
35.2 cc
Bore: 40 mm
Stroke: 28 mm
Engine power to ISO 7293: 1.7 kW (2.3 bhp) at
10,000 rpm
Idle speed:
1)
2,800 rpm
33.2 Ignition System
Electronic magneto ignition
Spark plug (resistor type): NGK CMR6H
BOSCH USR4AC
Electrode gap: 0.5 mm
33.3 Fuel System
All position diaphragm carburetor with integral
fuel pump
Fuel tank capacity:
270 cc (0.27 l)
33.4 Chain Lubrication
Fully automatic, speed-controlled oil pump with
rotary piston
Oil tank capacity:
265 cc (0.265 l)
33.5 Weight
dry, without bar and chain
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
33.6 Cutting Attachments for
MS 171, MS 171 C, MS 181,
MS 181 C
Actual cutting length may be less than the speci‐
fied length
33.6.1 Rollomatic E Mini Light guide bars
Cutting lengths: 30, 35 cm
Pitch: 3/8" P (9.32 mm)
Groove width: 1.1 mm
Nose sprocket: 7-tooth
33.6.2 Rollomatic E Mini guide bars
Cutting lengths: 30, 35, 40 cm
Pitch: 3/8" P (9.32 mm)
Groove width: 1.1 mm
Nose sprocket: 7-tooth
33.6.3 3/8" Picco chain
Picco Micro Mini 3 (61 PMM3) Type 3610
Pitch: 3/8" P (9.32 mm)
Drive link gauge: 1.1 mm
33.6.4 Chain Sprocket
6-tooth for 3/8" P (spur sprocket)
Max. chain speed according to
ISO 11681:
24.8 m/s
Chain speed at maximum power:
18.6 m/s
33.7 Cutting Attachments for
MS 211, MS 211 C
Actual cutting length may be less than the speci‐
fied length
33.7.1 Rollomatic E Light and Rollomatic E
guide bars
Cutting lengths: 30, 35, 40 cm
Pitch: 3/8" P (9.32 mm)
Groove width: 1.3 mm
Nose sprocket: 9-tooth
33.7.2 3/8" Picco chains
Picco Micro 3 (63 PM3) Type 3636
Picco Duro 3 (63 PD3) Type 3612
Picco Super 3 (63 PS3) Type 3616
Pitch: 3/8" P (9.32 mm)
Drive link gauge: 1.3 mm
33.7.3 Chain Sprocket
6-tooth for 3/8" P (spur sprocket)
Max. chain speed according to
ISO 11681:
24.8 m/s
Chain speed at maximum power:
18.6 m/s
33.8 Noise and Vibration Data
For further details on compliance with Vibration
Directive 2002/44/EC see www.stihl.com/vib.
33.8.1 Sound pressure level L
p
to ISO 22868
MS 171: 99 dB(A)
MS 171 C: 99 dB(A)
MS 181: 100 dB(A)
MS 181 C: 100 dB(A)
MS 211: 100 dB(A)
MS 211 C: 100 dB(A)
33.8.2 Sound power level L
w
to ISO 22868
MS 171: 112 dB(A)
1)
to ISO 11681 +/- 50 rpm
English 33 Specifications
42 0458-533-8321-E