Stihl MS 271 Manual De Instrucciones página 57

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
Bore: 1.76 in.
(44.7 mm)
Stroke: 1.26 in. (32 mm)
Engine power to 3.5 hp (2.6 kW)
ISO 7293: at 9,500 rpm
Idle speed: 2,800 rpm
Maximum permissible
speed with bar and
chain: 13,000 rpm
MS 271, MS 291, MS 291 C
MS 291, MS 291 C
Displacement:
Bore:
Stroke:
Engine power to
ISO 7293:
Idle speed:
Maximum permissible
speed with bar and
chain:
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 bar and chain
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
MS 291 C with Easy2Start
and quick tensioner:
2,800 rpm
Cutting attachment
13,000 rpm
Recommended cutting attachments in
compliance with Sec. 5.11 of ANSI
standard B 175.1-2000
Observe the information about ANSI
standard B 175.1-2000 as well as the
Bosch WSR 6 F,
definition "low-kickback saw chain" in
NGK BPMR 7 A
the section "Safety Precautions and
0.02 in. (0.5 mm)
Working Techniques".
Rollomatic E guide bars
STIHL reduced kickback guide bars
(with green label)
Bar lengths:
16.9 fl.oz (0.50 l)
Pitch:
Groove width:
Sprocket nose:
Saw chains 0.325"
STIHL reduced kickback saw chain
8.1 fl.oz (0.24 l)
(with green label)
Rapid Micro Comfort 3 (26 RMC3)
Pitch:
Drive link gauge:
English
12.3 lbs.
(5.6 kg)
12.3 lbs.
(5.6 kg)
13.7 lbs.
(6.2 kg)
16, 18, 20 in. (40,
45, 50 cm)
0.325" (8.25 mm)
0.063 in. (1.6 mm)
11 tooth
0.325" (8.25 mm)
0.063 in. (1.6 mm)
55