Stihl MS 311 Manual De Instrucciones página 53

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 311
Displacement: 3.60 cu. in.
(59.0 cm
Bore: 1.85 in. (47 mm)
Stroke: 1.34 in. (34 mm)
Engine power to 4.2 hp (3.1 kW)
ISO 7293: at 9500 rpm
Idle speed: 2800 rpm
Maximum permissible
speed with bar and
chain: 13000 rpm
MS 311, MS 391
MS 391
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
integral fuel pump
3)
Fuel tank capacity:
Chain lubrication
Fully automatic, speed-controlled oil
pump with reciprocating piston –
additional manual oil flow control
Oil tank capacity:
Weight
3.90 cu. in.
3
(64.1 cm )
dry, without bar and chain
1.93 in. (49 mm)
MS 311:
1.34 in. (34 mm)
MS 391:
4.4 hp (3.3 kW)
Cutting attachment
at 9500 rpm
2800 rpm
Recommended cutting attachments in
compliance with Sec. 5.11 of ANSI
13000 rpm
standard B 175.1-2000
Observe the information about ANSI
standard B 175.1-2000 as well as the
definition "low-kickback saw chain" in
the section "Safety Precautions and
Working Techniques".
NGK BPMR 7 A,
Rollomatic E guide bars
Bosch WSR 6 F
0.02 in. (0.5 mm)
STIHL reduced kickback guide bars
(with green label)
Bar lengths:
Pitch:
Groove width:
20.3 oz (0.60 l)
Sprocket nose:
Saw chains 3/8"
STIHL reduced kickback saw chains
(with green label)
Rapid Micro Comfort 3 (33 RMC3)
Rapid Micro Comfort 3 (36 RMC3)
11.8 oz (0.350 l)
Rapid Super Comfort 3 (33 RSC3)
Rapid Super Comfort 3 (36 RSC3)
Pitch:
Drive link gauge: 0.050 in. (1.3 mm) or
English
14.1 lbs. (6.4 kg)
14.1 lbs. (6.4 kg)
16, 18, 20 in. (40, 45,
50 cm)
3/8" (9.32 mm)
0.050 in. (1.3 mm) or
0.063 in. (1.6 mm)
10- or 11-tooth
3/8" (9.32 mm)
0.063 in. (1.6 mm)
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