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TECHNICAL DATA
Model 124C (3/8 RH arbor shaft thread)
Approved accessories Type Cutting attachment guard, p art. no.
T rimmer head T25 537 33 83--03
Technical data
124C
Engine
Cylinder volume, cu.in./cm
3
1.7/28
Cylinder bore, inch/mm 1.4/35
Stroke, inch/mm 1.130/28.7
Idle speed, rpm 2,800--3,200
Recommended max. speed, rpm 11,000
Speed of output shaft, rpm 8,000
Max. engine output, acc. to ISO 8893, hp/kW 1.1/0.8
Catalytic converter muffler Yes
Speed--regulated ignition system No
Ignition system
Manufacturer/type of ignition system Walbro/CD
Spark plug Champion RCJ--6Y
Electrode g ap, inch/mm 0.024/0.6
Fuel and lubrication system
Manufacturer/type of carburetor Zama
Fuel tank capacity, US pint/liter 0.85/0.4
Weight
Weight without fuel, cutting attachment and guard, lbs/kg 10/4.4
Sound levels
(see note 1)
Equivalent sound pressure level at the u ser’s ear ,
measured according to ANSI B175.3--1997, dB(A),
min/max: 94/97
Vibration levels
Vibration levels at handles, measured acco rding to
ANSIB175.3--1997, m/s
2
At idle, left/right handles: 3/5
At max. speed, lef t/right handles: 9/8
Note 1: Equivalent noise pre ssure level is calculated as the time--weighted energy total for
noise pressure levels under various working conditions with the following tim e distribution:
1/2 idle and 1/2 max. speed.
NOTE! Noise pressure at the user’s ear and vibration on the handles are measured with all
the machine’ s approved cutting equipm ent fitted. The t able indicates the highest and lowest
values.