TECHNICAL DATA
Technical data
| 524 L | 525 LST | 525 RJD | 525 RS | |
Engine |
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Cylinder displacement, cm3 | 25,4 | 25,4 | 25,4 | 25,4 | |
Cylinder bore, mm | 34,0 | 34,0 | 34,0 | 34,0 | |
Stroke, mm | 28 | 28 | 28 | 28 | |
Idle speed, rpm | 3000 | 3000 | 3000 | 3000 | |
Recommended max. speed, rpm | 9500 | 10500 | 9500 | 9500 | |
Speed of output shaft, rpm | 6500 | 5500 | 6500 | 6500 | |
Max. engine output, acc. to ISO 8893, kW/ rpm | 0,9/8500 | 1,0/8500 | 1,0/8500 | 1,0/8500 | |
Catalytic converter muffler | Yes | Yes | Yes | Yes | |
Yes | Yes | Yes | Yes | ||
Ignition system |
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Manufacturer/type of ignition system | IKEDA/UK | IKEDA/UK | IKEDA/UK | IKEDA/UK | |
Spark plug | NGK BPMR8Y | NGK BPMR8Y | NGK BPMR8Y | NGK BPMR8Y | |
Electrode gap, mm | 0,65 | 0,65 | 0,65 | 0,65 | |
Fuel and lubrication system |
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Manufacturer/type of carburettor | walbro WTEA- | walbro WTEA- | walbro WTEA- | walbro WTEA- | |
8C | 8C | 8C | 8C | ||
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Fuel tank capacity, litre | 0,51 | 0,51 | 0,51 | 0,51 | |
Weight |
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Weight without fuel, cutting attachment and guard, kg 4,4 | 4,7 | 4,9 | 5,0 | ||
Noise levels |
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(see note 2) |
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Equivalent sound pressure level at the operator’s ear, |
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measured according to EN/ISO 11806 and ISO 7917, 98 | 98 | 98 | 98 | ||
dB(A), min./max.: |
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Vibration levels |
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(see note 3) |
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Equivalent vibration levels (ahv,eq) at handles, |
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measured according to EN ISO 11806 and ISO |
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22867, m/s2 |
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Equipped with trimmer head (original), left/right | 5,0/3,8 | 5,8/3,3 | 4,5/3,9 | 3,6/2,4 | |
Note 1 Reported data for equivalent sound pressure level for the machine has a typical statistical dispersion (standard deviation) of 1 dB (A).
Note 2: Reported data for equivalent vibration level has a typical statistical dispersion (standard deviation) of 1 m/s2.
28 – English