Specifications - Stihl BR 340 Instruction Manual

Specifications

EPA:
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
Model Bystander noise
per ANSI B 175.2-2000
dB(A)
BR 340 73
BR 340L 68
BR 420 74
BR 420 C 73
BR 340, BR 340 L, BR 420, BR 420 C
BR 340, 340 L
Single cylinder two-stroke engine
Displacement: 2.74 ci
(44.9 cm
Bore: 1.61 in (41 mm)
Stroke: 1.34 in (34 mm)
Idle speed: 3,100 rpm
BR 420, 420 C
Single cylinder two-stroke engine
Displacement: 3.45 ci
(56.5 cm
Bore: 1.81 in (46 mm)
Stroke: 1.34 in (34 mm)
Idle speed: 3,100 rpm
Air flow rate Air velocity
3
CFM (m /h) MPH (m/s)
688 (1170) 161 (72)
636 (1080) 146 (65)
742 (1260) 174 (78)
724 (1230) 172 (77)
Ignition System
Type: Electronic magneto ignition
Spark plug
3
) (suppressed):
Electrode gap:
Spark plug thread:
Fuel System
Carburetor: All position diaphragm
3
)
carburetor with integral fuel pump
Air filter:
Fuel tank capacity:
Fuel mix:
Rewind Starter
Starter rope: 0.14 in dia. x 37.8 in
Engine power
HP (kW)
2.7 (2.0)
1.9 (1.4)
3.5 (2.6)
3.3 (2.5)
English / USA
Bosch WSR 6 F
or
NGK BPMR 7 A;
0.02 in (0.5 mm)
M 14 x 1.25;
0.37 in (9.5 mm)
long
Paper element
50 fl.oz. (1.5 l)
see chapter
"Fuel"
(3.5 mm dia. x 960 mm)
1113 195 8200
Weight
lbs (kg)
20.1 (9.1)
20.3 (9.2)
20.1 (9.1)
20.5 (9.3)
31