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TECHNICAL DATA
Technical data
Note 1: Noise emissions in the environment measured as sound power (L
WA
) in conformity with EC directive 2000/14/
EC.
Note 2: Equivalent sound pressure level is calculated as the time-weighted energy total for sound pressure levels under
various working conditions with the following time distribution: 1/2 idling and 1/2 max speed.
NOTE! The noise pressure level at operator’s ear and vibrations on the handles are measured with all the approved
cutting attachments for the machine. The table indicates the lowest and highest values.
Technical data 143R-II
Engine
Cylinder displacement, cm
3
41,5
Cylinder bore, mm 40
Stroke, mm 33
Idle speed, rpm 2500
Recommended max. fast idle speed, rpm 12000
Speed of output shaft, rpm 9270
Max. engine output, acc. to ISO 8893, kW/ rpm 1,47/7500
Ignition system
Manufacturer/type of ignition system Ikeda Denso
Spark plug NGK BPMR 7A
Electrode gap, mm 0,6-0,7
Fuel and lubrication system
Manufacturer/type of carburettor Walbro WYJ
Fuel tank capacity, litre 0,94
Weight
Weight without fuel, cutting attachment and guard, kg 7,2
Noise emissions
(see note 1)
Sound power level, measured dB(A) 113
Sound power level, guaranteed L
WA
dB(A) 114
Noise levels
(see note 2)
Equivalent sound pressure level at the operator's ear,
measured according to EN ISO 22868, dB(A), min./max.:
76/102
Vibration levels
Vibration levels at handles, measured according to
EN ISO 22867, m/s
2
At idle, left/right handles, min.: 3,8/4,2
At idle, left/right handles, max.: 4,2/4,8
At max. speed, left/right handles, min.: 6,8/7,9
At max. speed, left/right handles, max.: 6,9/8,0