Specifications - Stihl FS 311 Instruction Manual

Definitions
6 Circular Saw Blade
Cutting attachment made of metal
for cutting wood.
7 Limit Stop for Circular Saw Blade
Designed to position the brushcutter
steady against the wood in order to
reduce the risk of injury from loss of
control from reactive forces such as
thrust out.
FS 311

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 four-stroke engine
with mixture lubrication
Displacement: 2.22 cu.in
(36.3 cc)
Bore: 1.69 in (43 mm)
Stroke: 0.98 in (25 mm)
Engine power to ISO 1.9 bhp (1.4 kW)
8893: at 8,500 rpm
Idle speed: 2,800 rpm
Cut-off speed (rated): 10,200 rpm
Max. output shaft
speed (cutting
attachment): 7,360 rpm
Valve clearance
Inlet valve: 0.004 in
(0.10 mm)
Exhaust valve: 0.004 in
(0.10 mm)
Ignition System
Electronic magneto ignition
Spark plug (resistor
type): NGK CMR 6 H
Electrode gap: 0.20 in (0.5 mm)
Fuel System
All position diaphragm carburetor with
integral fuel pump
Fuel tank capacity:
Weight
dry, without cutting attach -
ment and deflector
Overall length
without cutting attachment 70.9 in
English
24.0 fl.oz
(0.71 l)
15.9 lb
(7.2 kg)
(1800 mm)
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