Technical Data - Husqvarna 331RB Workshop Manual

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9.1 Technical data

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
Ignition system
Spark plug
Electrode gap, mm
Ignition module air gap, mm
Fuel and lubrication system
Fuel tank capacity, litre
Carburetor
Type
Weight
Without fuel, cutting attachment and guard, kg
1
Sound levels
Equivalent sound pressure level at the operator's ear, measured according to
EN ISO 11806 and ISO 22868, dB(A), min./max.:
2
Vibration levels
Equivalent vibration levels (a
2
Front handle, m/s
2
Rear handle, m/s
Product data
Maximum rpm output shaft
Output shaft thread, mm
Tube diameter
Tube length
Transmission
Drive gear angle
Gear ratio
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
46 - Technical data
9 Technical data
3
) at handles, measured according to EN ISO 11806 and ISO 22867, m/s
hv,eq
331RB
32.6
36
32
3000±300
10600
1 kW
NGK BPM7A, TORCH L8RTC
0.6–0.7
0.3-0.5
1.15
Float
9.5
84.8
2
:
4.6
5.0
7800
M10x1.25 Lefthanded
26
1430
30°
0.74
2
.
1281 - 001 -

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