Specifications - Stihl MS 171 Instruction Manual

Specifications

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
A = 300 hours
B = 125 hours
C = 50 hours
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
ISO 7293: (1.8 bhp) at
10,000 rpm
Idle speed: 2,800 rpm
Max. permissible
speed (with cutting
attachment): 13,500 rpm
MS 171, MS 171 C, MS 181, MS 181 C, MS 211, MS 211 C
MS 181, MS 181 C
Displacement: 31.8 cc
Bore: 38 mm
Stroke: 28 mm
Engine power to 1.5 kW
ISO 7293: (2.0 bhp) at
10,000 rpm
Idle speed: 2,800 rpm
Max. permissible
speed (with cutting
attachment): 13,500 rpm
MS 211, MS 211 C
Displacement: 35.2 cc
Bore: 40 mm
Stroke: 28 mm
Engine power to 1.7 kW
ISO 7293: (2.3 bhp) at
10,000 rpm
Idle speed: 2,800 rpm
Max. permissible
speed (with cutting
attachment): 13,500 rpm
Ignition System
Electronic (breakerless) magneto
ignition
Spark plug (resistor
type): NGK CMR6H
BOSCH USR4A
C
Electrode gap: 0.5 mm
This ignition system meets all
requirements of the Canadian
Interference-Causing Equipment
Regulations ICES-002.
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: 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
Cutting Attachments for MS 171,
MS 171 C
Actual cutting length may be less than
the specified length
STIHL cutting attachments complying
with CSA Standard Z 62.3:
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
English
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