Specifications - Stihl MS 171 Instruction Manual

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12 Oilomatic saw chain
13 Adjusting wheel (quick tensioner)
14 Wings of the wing nut
15 Oil filler cap
16 Muffler
17 Front hand guard
18 Front handle (handlebar)
19 Spark plug boot
20 Starter grip
21 Fuel tank twist lock
22 Master Control lever
23 Throttle trigger
24 Throttle trigger interlock
25 Rear handle
26 Rear hand guard
# Serial number

33 Specifications

33.1 Engine
STIHL single cylinder two-stroke engine
33.1.1 MS 171, MS 171 C
Displacement:
Bore:
Stroke:
Engine power to ISO 7293: 1.3 kW (1.8 bhp) at
1)
Idle speed:
33.1.2 MS 181, MS 181 C
Displacement:
Bore:
Stroke:
Engine power to ISO 7293: 1.5 kW (2.0 bhp) at
1)
Idle speed:
33.1.3 MS 211, MS 260 C
Displacement:
Bore:
Stroke:
Engine power to ISO 7293: 1.7 kW (2.3 bhp) at
1)
Idle speed:
1)
According to version
1)
to ISO 11681 +/- 50 rpm
42
1)
(quick tensioner)
31.8 cc
38 mm
28 mm
10,000 rpm
2,800 rpm
31.8 cc
38 mm
28 mm
10,000 rpm
2,800 rpm
35.2 cc
40 mm
28 mm
10,000 rpm
2,800 rpm
33.2 Ignition System
Electronic magneto ignition
Spark plug (resistor type):
Electrode gap:
33.3 Fuel System
All position diaphragm carburetor with integral
fuel pump
Fuel tank capacity:
33.4 Chain Lubrication
Fully automatic, speed-controlled oil pump with
rotary piston
Oil tank capacity:
33.5 Weight
dry, without bar and chain
MS 171:
MS 171 C
MS 181:
MS 181 C:
MS 211:
MS 211 C:
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:
Pitch:
Groove width:
Nose sprocket:
33.6.2 Rollomatic E Mini guide bars
Cutting lengths:
Pitch:
Groove width:
Nose sprocket:
33.6.3 3/8" Picco chain
Picco Micro Mini 3 (61 PMM3) Type 3610
Pitch:
Drive link gauge:
33.6.4 Chain Sprocket
6-tooth for 3/8" P (spur sprocket)
33 Specifications
NGK CMR6H
BOSCH USR4AC
0.5 mm
270 cc (0.27 l)
265 cc (0.265 l)
4.3 kg
4.6 kg
4.3 kg
4.6 kg
4.3 kg
4.6 kg
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
0458-533-0121-E