TECHNICAL DATA
Technical data | 250R | 252RX | 265RX | |
Engine |
|
|
| |
Cylinder displacement, cm3 | 48,7 | 50,8 | 65,1 | |
Cylinder bore, mm | 44 | 45 | 48 | |
Stroke, mm | 32 | 32 | 36 | |
Idle speed, rpm | 2700 | 2700 | 2250 | |
Recommended max. speed, rpm | 12500 | 14000 | 11500 | |
Speed of output shaft, rpm | 9190 | 10300 | 9120 | |
Max. engine output, acc. to ISO 8893 | 2,1/9000 | 2,4/9000 | 3,0/8400 | |
Catalytic converter muffler | No | No | No | |
Ignition system |
|
|
| |
Manufacturer/type of ignition system | EM/ET | EM/ET | SEM GA 6CD | |
Spark plug | Champion RCJ 7Y | Champion RCJ 7Y | Champion RCJ 7Y | |
NGK BPMR 7A | NGK BPMR 7A | NGK BPMR 7A | ||
| ||||
Electrode gap, mm | 0,5 | 0,5 | 0,5 | |
Fuel and lubrication system |
|
|
| |
Manufacturer/type of carburettor | Walbro HDA | Walbro HDA | Tillotson HS | |
Fuel tank capacity, litre | 0,8 | 0,8 | 1,0 | |
Weight |
|
|
| |
Weight without fuel, cutting attachment and guard, kg | 9,2 | 8,9 | 10,8 | |
Noise emissions |
|
|
| |
(see note 1) |
|
|
| |
Sound power level, measured dB(A) | 112 | 112 | 115 | |
Sound power level, guaranteed LWA dB(A) | 114 | 114 | 116 | |
Noise levels |
|
|
| |
(see note 2) |
|
|
| |
Equivalent noise pressure level at the operator’s ear, |
|
|
| |
measured according to EN/ISO 11806 and ISO 7917, | 97/104 | 96/103 | 98/100 | |
dB(A), min./max.: |
|
|
| |
Vibration levels |
|
|
| |
Vibration levels at handles, measured according to |
|
|
| |
EN/ISO 11806 and ISO 7916, m/s2 |
|
|
| |
At idle, left/right handles, min.: | 2,7/3,2 | 2,8/2,8 | 4,5/4,0 | |
At idle, left/right handles, max.: | 3,5/6,0 | 4,5/3,9 | 5,1/4,6 | |
At max. speed, left/right handles, min.: | 1,0/1,0 | 1,2/1,4 | 3,0/3,9 | |
At max. speed, left/right handles, max.: | 2,1/2,0 | 1,6/1,7 | 3,9/5,1 |
Note 1: Noise emissions in the environment measured as sound power (LWA) in conformity with EC directive 2000/14/EC.
Note 2: Equivalent sound pressure level is calculated as the
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.
34 – English
