Technical Data - Husqvarna 543RBX Workshop Manual

Engine
Cylinder displacement, cm
Cylinder bore, mm
Stroke, mm
Idle speed, rpm
Recommended max speed, rpm
Max. engine output, according to ISO 8893,
kW @ rpm
Catalytic converter muffler
Ignition system
Spark plug
Electrode gap, mm
Fuel and lubrication system
3
Fuel tank capacity, l/cm
Carburetor
Type
Weight
Without fuel, cutting attachment and guard,
kg
1
Sound levels
Equivalent sound pressure level at the opera-
tor's ear, measured according to EN ISO
11806 and ISO 22868, dB(A), min./max.
2
Vibration levels
Equivalent vibration levels (a
Equipped with Grass blade, grip/handle
1
Reported data for equivalent sound pressure level has a typical statistical dispersion (standard deviation) of 1
dB (A).
2
Reported data for vibration level has a typical statistical dispersion (standard deviation) of 1 m/s

70 - Technical data

9 Technical data
543RBX
3
Walbro TEA-7, Diaphragm pump, butterfly
) at handles, measured according to EN ISO 11806 and ISO 22867, m/s
hv,eq
543RBK
40.1
40.5
31.1
3000
12000
1.47 @ 9000
No
NGK CMR7H-10
0.9-1.0
0.75
valve
11.4 11.5
99
4.4/3.6
553RBX
50.6
45.5
31.1
2800
13000
2.3 @ 9500
No
NGK CMR7H
0.6-0.7
0.8
Walbro WT1102, Dia-
phragm pump, butter-
fly valve
12.1
103
2
5.3/4.3
2
.
1239 - 001 -