20 – EnglishTECHNICAL DATATechnical dataNote 1: Equivalent noise pressure level is calculated as the time-weighted energy total for noise pressure levels under variousworking conditions with the following time distribution: 1/2 idle and 1/2 max. speed.Technical data 325HDA55 325HE3 325HE4EngineCylinder volume, cu.in/cm3 1,50/24,5 1,50/24,5 1,50/24,5Cylinder bore, inch/mm 1,34/34 1,34/34 1,34/34Stroke, inch/mm 1,06/27 1,06/27 1,06/27Idle speed, rpm 2700 2700 2700Max speed, should not be exceeded, rpm 9500-10500 9500-10500 9500-10500Speed of output shaft, rpm 10800 10800 10800Max. engine output, acc. to ISO 8893 0,9/9000 0,9/9000 0,9/9000Catalytic converter muffler Yes Yes YesSpeed-regulated ignition system Yes Yes YesIgnition systemManufacturer/type of ignition system WalbroMB/SEM AM49 WalbroMB/SEM AM49 WalbroMB/SEM AM49Spark plug NGK BPMR 7A NGK BPMR 7A NGK BPMR 7AElectrode gap, inch/mm 0,02/0,5 0,02/0,5 0,02/0,5Fuel and lubrication systemManufacturer/type of carburettor Zama C1Q Zama C1Q Zama C1QFuel tank capacity, US pint/litre 1,06/0,5 1,06/0,5 1,06/0,5WeightWeight without fuel, cutting attachment and guard,Lbs/kg 12,1/5,5 12,6/5,7 12,8/5,8Sound levels(see note 1)Equivalent sound pressure level at the user′s ear,measured according to ANSI B175.3-1997, dB(A),min/max: 92 93 91Vibration levelsVibration levels at handles, measured according toANSI B175.3-1997, m/s2Idle speed, rear/front handles: 3,5/1,8 3,8/1,4 2,2/1,8Max. speed, rear/front handles: 3,1/5,7 4,7/5,5 7,5/6,6BladesLength, mm 550 550 550Blade speed, cuts/min 4184 4184 4184