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