Makita EM4250CA ユーザーズマニュアル

7

TECHNICAL DATA EM4250, EM4251

EM4251/EM4251CA EM4250/EM4250CA 

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 

Idling m/s

2

2.59 4.72 

Right handle 
(Rear grip) 

Racing or W.O.T 

m/s

2

6.27 4.7 

Idling m/s

2

3.26 3.83 

Vibration per 

ISO 7916

1)

 

Left handle 
(Front grip) 

Racing or W.O.T 

m/s

2

7.24 7.56 

Sound pressure level average to ISO 7917

1) 

dB

87.7 87.7 

Sound power level average to ISO 10884

1) 

dB

97.7 97.7 

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