Stihl MS 271 Manual De Instrucciones página 56

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
Engine
STIHL single cylinder two-stroke engine
MS 271, MS 271 C
Displacement: 3.06 cu. in.
(50.2 cm
Cylinder bore: 1.76 in.
(44.7 mm)
Piston stroke: 1.26 in. (32 mm)
Engine power accord- 3.5 hp (2.6 kW)
ing to ISO 7293: at 9,500 rpm
Idling speed: 2,800 rpm
Maximum permissible
speed with cutting
attachment: 13,000 rpm
54
MS 291, MS 291 C
Displacement:
Cylinder bore:
Piston stroke:
Engine power accord-
ing to ISO 7293:
Idling speed:
Maximum permissible
speed with cutting
attachment:
Ignition system
Electronic magneto ignition
Spark plug
(suppressed):
Electrode gap:
Fuel system
All position diaphragm carburetor with
3
)
integral fuel pump
Fuel tank capacity:
Chain lubrication
Fully automatic, speed-controlled oil
pump with rotary piston
Oil tank capacity:
Weight
3.39 cu. in.
3
(55.5 cm )
Dry, without cutting attachment
1.85 in.
MS 271:
(47.0 mm)
1.26 in. (32 mm)
MS 291:
3.8 hp (2.8 kW)
at 9,500 rpm
Cutting Attachments
2,800 rpm
Recommended cutting attachments
13,000 rpm
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"):
Bosch WSR 6 F,
NGK BPMR 7 A
Rollomatic E guide bars
0.02 in. (0.5 mm)
Reduced kickback STIHL guide bars
(with green label)
Bar lengths:
Pitch:
Groove width: 1.6 mm (0.063 in.)
16.9 fl.oz (0.50 l)
Sprocket nose: 11-tooth
Actual cutting length will be less than
listed bar length.
Saw chain .325"
Low kickback STIHL saw chain (with
green label)
8.1 fl.oz (0.24 l)
Rapid Micro 3 (26 RM3) Type 3634
Pitch:
Drive link gauge:
Chain sprocket
7-tooth for .325" (spur sprocket)
MS 271, MS 271 C, MS 291, MS 291 C
12.3 lbs.
(5.6 kg)
12.3 lbs.
(5.6 kg)
40, 45, 50 cm (16, 18,
20 in.)
.325" (8.25 mm)
.325" (8.25 mm)
1.6 mm (0.063 in)