Stihl MS 181 Instruction Manual - Page 60

Specifications

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English 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 CARB The Emission Compliance Period used on the CARB-Air Index Label indicates the terms: Extended = 300 hours Intermediate = 125 hours Moderate = 50 hours Engine STIHL single cylinder two-stroke engine MS 171 Displacement: Bore: Stroke: 1.94 cu. in. (31.8 cm3) 1.6 in. (38 mm) 1.1 in. (28 mm) Engine power to ISO 7293: 1.7 hp (1.3 kW) at 10,000 rpm Idle speed: 2,800 rpm Maximum permissi- ble speed with bar and chain: 13,500 rpm MS 181, MS 181 C Displacement: 1.94 cu. in. (31.8 cm3) Bore: 1.6 in. (38 mm) Stroke: 1.1 in. (28 mm) Engine power to ISO 7293: 2.0 hp (1.5 kW) at 10,000 rpm Idle speed: 2,800 rpm Maximum permissi- ble speed with bar and chain: 13,500 rpm MS 211, MS 211 C Displacement: Bore: Stroke: Engine power to ISO 7293: Idle speed: Maximum permissible speed with bar and chain: 2.15 cu. in. (35.2 cm3) 1.7 in. (40 mm) 1.1 in. (28 mm) 2.3 hp (1.7 kW) at 10,000 rpm 2,800 rpm 13,500 rpm Ignition system Electronic magneto ignition (breakerless) Spark plug (suppressed): Electrode gap: Fuel system NGK CMR6H Bosch USR4AC 0.02 in. (0.5 mm) All position diaphragm carburetor with integral fuel pump Fuel tank capacity: 9.1 fl.oz (0.27 l) Chain lubrication Fully automatic, speed-controlled oil pump with rotary piston Oil tank capacity: 9.0 fl.oz (0.265 l) Weight dry, without bar and chain MS 171: 9.5 lbs. (4.3 kg) MS 181: 9.5 lbs. (4.3 kg) MS 181 C: 10.1 lbs. (4.6 kg) MS 211: 9.5 lbs. (4.3 kg) MS 211 C: 10.1 lbs. (4.6 kg) Cutting Attachments Recommended cutting attachments conforming with the 45 degree computed kickback angle requirement of Section 5.11 of ANSI/OPEI B175.1-2012 when used on this model chain saw (see the chapter on "Safety Precautions and Working Techniques"): 58 MS 171, MS 181, MS 181 C, MS 211, MS 211 C

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MS 171, MS 181, MS 181 C, MS 211, MS 211 C
English
58
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
CARB
The Emission Compliance Period used
on the CARB-Air Index Label indicates
the terms:
Engine
STIHL single cylinder two-stroke engine
MS 171
MS 181, MS 181 C
MS 211, MS 211 C
Ignition system
Electronic magneto ignition
(breakerless)
Fuel system
All position diaphragm carburetor with
integral fuel pump
Chain lubrication
Fully automatic, speed-controlled oil
pump with rotary piston
Weight
Cutting Attachments
Recommended cutting attachments
conforming with the 45 degree
computed kickback angle requirement
of Section 5.11 of
ANSI/OPEI B175.1
-
2012 when used on
this model chain saw (see the chapter
on "Safety Precautions and Working
Techniques"):
Specifications
A = 300 hours
B = 125 hours
C = 50 hours
Extended = 300 hours
Intermediate = 125 hours
Moderate = 50 hours
Displacement:
1.94 cu. in.
(31.8 cm
3)
Bore:
1.6 in. (38 mm)
Stroke:
1.1 in. (28 mm)
Engine power to
ISO 7293:
1.7 hp (1.3 kW) at
10,000 rpm
Idle speed:
2,800 rpm
Maximum permissi
-
ble speed with bar
and chain:
13,500 rpm
Displacement:
1.94 cu. in.
(31.8 cm
3)
Bore:
1.6 in. (38 mm)
Stroke:
1.1 in. (28 mm)
Engine power to
ISO 7293:
2.0
hp (1.5
kW) at
10,000 rpm
Idle speed:
2,800 rpm
Maximum permissi
-
ble speed with bar
and chain:
13,500 rpm
Displacement:
2.15 cu. in.
(35.2 cm
3)
Bore:
1.7 in. (40 mm)
Stroke:
1.1 in. (28 mm)
Engine power to
ISO 7293:
2.3 hp (1.7 kW)
at 10,000 rpm
Idle speed:
2,800 rpm
Maximum permissi
-
ble speed with bar
and chain:
13,500 rpm
Spark plug
(suppressed):
NGK CMR6H
Bosch USR4AC
Electrode gap:
0.02 in. (0.5 mm)
Fuel tank capacity:
9.1 fl.oz (0.27 l)
Oil tank capacity:
9.0 fl.oz (0.265 l)
dry, without bar and chain
MS 171:
9.5 lbs. (4.3 kg)
MS 181:
9.5 lbs. (4.3 kg)
MS 181 C:
10.1 lbs. (4.6 kg)
MS 211:
9.5 lbs. (4.3 kg)
MS 211 C:
10.1 lbs. (4.6 kg)