Dolmar MS-250.4 - Manual (Page 7)

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TECHNICAL DATA MS-250.4, MS-251.4
MS-251.4 MS-250.4
Model
Loop handle U handle
Dimensions : length x width x height (without cutting blade) mm 1760x330x265 1760x600x405
Mass (without plastic guard and cutting blade) kg 5.2 5.4
Volume (fuel tank) L 0.5
Volume (oil tank) L 0.08
Engine displacement cc 24.5
Maximum engine performance HP 0.885 at 7000 /min
Engine speed at recommended max. spindle speed /min 8500
Maximum spindle speed (corresponding) /min 6500
Maximum fuel consumption kg/h 0.33
Maximum specific fuel consumption g/HPh 304
Idling speed /min 3000
Clutch engagement speed /min 3750
Carburetor type WALBRO WYL
Ignition system type Solid state ignition
Spark plug type NGK CMR6A
Electrode gap mm 0.7 - 0.8
Fuel Automobile gasoline
Engine Oil
SAE 10W-30 oil of API Ciassification,
Class SF or higher (4-stroke engine for automobile)
Gear ratio 14/19