12
Technical data
Displacement
cu in (cm
3
)
4.5 (73)
4.5 (73)
Bore
in (mm)
1.97 (50)
1.97 (50)
Stroke
in (mm)
1.46 (37)
1.46 (37)
Max. power
hp (kW)
5.1 (3.8)
5.1 (3.8)
Max. torque
Nm
4.3
4.3
Idling speed
1/min
2,500
2,500
Clutch engagement speed
1/min
3,800
3,800
Engine speed limitation
1/min
9,400 ± 145
9,400 ± 145
Max. spindle speed
1/min
4,300
4,300
Sound pressure level at the operators ear
dB(A)
100
100
Sound pressure level at the bystander’s position (50 ft)
dB(A)
79
79
Vibration acceleration a
h,w
per ANSI.175.4
- Tubular handle (rated speed)
m/s
2
6.2
6.2
- Rear handle (rated speed)
m/s
2
4.4
4.4
Carburetor (diaphragm carburetor)
Type
WALBRO WJ-126
Ignition system (with speed limitation)
Type
electronic
Spark plug
Type NGK BPMR 7A / BOSCH WSR 6F / CHAMPION RCJ 6Y
Electrode gap
in (mm)
.020 (0.5)
.020 (0.5)
Fuel consumption at max. load per ISO 8893
kg/h
1.7
1.7
Specific consumption at max. load per ISO 8893
g/kWh
450
450
Fuel tank capacity
fl oz (l)
37 (1.1)
37 (1.1)
Mixture ratio (fuel/two-stroke oil)
- when using MAKITA Synthetic oil
50:1
50:1
- when using other synthetic oil (quality grade JASO FC or ISO EGD)
50:1
50:1
Cutting disc for 80 m/sec.
2)
in
12" / 0.8" / 0.2"
3)
14" / 0.8" / 0.2"
3)
Cutting disc for 80 m/sec.
2) 4)
in
14" / 1" / 0.2"
3)
Arbor diameter
in
0.8"
0.8" / 1.0"
5)
V-belt
no.
965 300 470
965 300 470
Overall weight (tanks empty, without cutting disc)
lb
22.04
22.48
2)
Circumference speed at max. engine speed
3)
Outside diameter / arbor hole / thickness
4)
Country-specific
5)
HD
EK7300
EK7301
