Dolmar MS-252 - Technical Data

TECHNICAL DATA MS-252, MS-253
Model
MS-252 MS-253
U handle Loop handle
Dimensions : length x width x height (without cutting blade) mm 1,770x620x410 1,770x340x220
Mass (without plastic guard and cutting blade) kg 4.5 4.4
Volume (fuel tank) L 0.5
Engine displacement cm
3
24.5
Maximum engine performance kw 0.73at7,000min
-1
Engine speed at recommended max. spindle speed min
-1
8,800
Maximum spindle speed (corresponding) min
-1
6,000
Maximum fuel consumption kg/h —
Maximum specific fuel consumption g/kwh —
Idling speed min
-1
2,600
Clutch engagement speed min
-1
3,600
Carburetor type WALBRO WYJ
Ignition system type Solid state ignition
Spark plug type NGKBM7A
Electrode gap mm 0.6 – 0.7
Vibration per
ISO 22867
Right handle
(Rear grip)
a
hv eq
m/s
2
3.8 3.8
Uncertainty K m/s
2
0.7 0.7
Left handle
(Front grip)
a
hv eq
m/s
2
5.5 4.8
Uncertainty K m/s
2
0.6 1.2
Sound pressure level average to
ISO 22868
L
PA eq
dBA 91.2 94.5
Uncertainty K dBA 1.8 2.4
Sound power level average to
ISO 22868
L
WA eq
dBA 102.9 106.1
Uncertainty K dBA 1.7 1.8
Fuel
Mixed gas
(gasoline:DOLMARGenuineTwostrokeEngineOil=50:1)
Gearratio 14/19
7