BR 500, BR 550, BR 600
English
27
Engine
STIHL 4-MIX Engine
Ignition System
Electronic magneto ignition
Fuel System
All position diaphragm carburetor with
integral fuel pump
Blowing Performance
Weight
Noise and Vibration Data
Noise and vibration data are measured
at idling and maximum rated speed in a
ratio of 1:6.
For further details on compliance with
Vibration Directive 2002/44/EC see
www.stihl.com/vib.
Sound pressure level L
p
to
DIN EN 22868:2011
Sound power level L
w
to
DIN EN 22868:2011
Vibration measurement a
hv,eq
to
ISO 22867
Standard version
The K-factor in accordance with
Directive 2006/42/EC is 2.0 dB(A) for
the sound pressure level and sound
power level; the K-factor in accordance
with Directive 2006/42/EC is 2.0 m/s
2
for the vibration level.
REACH
REACH is an EC regulation and stands
for the Registration, Evaluation,
Authorisation and Restriction of
Chemical substances.
Specifications
Displacement: 64.8 cc
Bore: 50 mm
Stroke: 33 mm
Idle speed: 2,500 rpm
Spark plug (resistor
type):
NGK CMR 6 H,
BOSCH USR 4AC
Electrode gap: 0.5 mm
Fuel tank capacity: 1400 cc (1.4 l)
Blowing force:
BR 500: 22 N
BR 550: 27 N
BR 600: 32 N
Air velocity:
BR 500: 77 m/s
BR 550: 94 m/s
BR 600: 89 m/s
Air flow rate:
BR 500: 925 m
3
/h
BR 550: 930 m
3
/h
BR 600: 1150 m
3
/h
Maximum air velocity:
BR 500: 93 m/s
BR 550: 113 m/s
BR 600: 106 m/s
Maximum air flow rate without blower
tube assembly:
BR 500: 1090 m
3
/h
BR 550: 1210 m
3
/h
BR 600: 1400 m
3
/h
dry:
BR 500: 10.1 kg
BR 550: 9.9 kg
BR 600: 9.8 kg
BR 600 with base plate: 10.2 kg
BR 500: 90 dB(A)
BR 550: 98 dB(A)
BR 600: 100 dB(A)
BR 500: 100 dB(A)
BR 550: 107 dB(A)
BR 600: 107 dB(A)
Handle,
right
BR 500: 1.4 m/s
2
BR 550: 1.6 m/s
2
BR 600: 1.8 m/s
2
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