Specifications - Stihl MS 171 Instruction Manual

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Specifications

Engine
STIHL single cylinder two-stroke engine
MS 171, MS 171 C
Displacement: 31.8 cc
Bore: 38 mm
Stroke: 28 mm
Engine power to 1.3 kW (1.8 bhp)
ISO 7293: at 10,000 rpm
1)
Idle speed: 2,800 rpm
MS 181, MS 181 C
Displacement: 31.8 cc
Bore: 38 mm
Stroke: 28 mm
Engine power to 1.5 kW (2.0 bhp)
ISO 7293: at 10,000 rpm
1)
Idle speed: 2,800 rpm
MS 211, MS 260 C
Displacement: 35.2 cc
Bore: 40 mm
Stroke: 28 mm
Engine power to 1.7 kW (2.3 bhp)
ISO 7293: at 10,000 rpm
1)
Idle speed: 2,800 rpm
1)
to ISO 11681 +/- 50 rpm
Ignition System
Electronic magneto ignition
48
Spark plug (resistor
type): NGK CMR6H
BOSCH USR4A
C
Electrode gap: 0.5 mm
Fuel System
All position diaphragm carburetor with
integral fuel pump
Fuel tank capacity: 270 cc (0.27 l)
Chain Lubrication
Fully automatic, speed-controlled oil
pump with rotary piston
Oil tank capacity: 265 cc (0.265 l)
Weight
dry, without bar and chain
MS 171:
MS 171 C
MS 181:
MS 181 C:
MS 211:
MS 211 C:
Cutting Attachments for MS 171,
MS 171 C, MS 181, MS 181 C
Actual cutting length may be less than
the specified length
MS 171, MS 171 C, MS 181, MS 181 C, MS 211, MS 211 C
Rollomatic E Mini Light guide bars
Cutting lengths:
Pitch:
Groove width:
Nose sprocket:
Rollomatic E Mini guide bars
Cutting lengths:
Pitch:
Groove width:
Nose sprocket:
3/8" Picco chain
Picco Micro Mini 3 (61 PMM3)
Type 3610
Pitch:
Drive link gauge:
Chain Sprocket
4.3 kg
6-tooth for 3/8" P (spur sprocket)
4.6 kg
Max. chain speed accord -
4.3 kg
ing to ISO 11681:
4.6 kg
Chain speed at maximum
4.3 kg
power:
4.6 kg
Cutting Attachments for MS 211,
MS 211 C
Actual cutting length may be less than
the specified length
30, 35 cm
3/8" P
(9.32 mm)
1.1 mm
7-tooth
30, 35, 40 cm
3/8" P
(9.32 mm)
1.1 mm
7-tooth
3/8" P (9.32
mm)
1.1 mm
24.8 m/s
18.6 m/s