12
Technical data
Displacement
cu in (cm
3
)
3.9 (64)
4.5 (73)
Bore
in (mm)
1.85 (47)
1.97 (50)
Stroke
in (mm)
1.46 (37)
1.46 (37)
Max. power
hp (kW)
4.4 (3.2)
5.6 (4.2)
Max. torque
Nm
4.0
5.0
Idling speed
1/min
2,500
2,500
Clutch engagement speed
1/min
3,800
3,800
Engine speed limitation
1/min
9,350 ± 145
9,350 ± 145
Max. spindle speed
1/min
4,300
4,300
Sound pressure level at the operators ear
dB (A)
97
104
Sound pressure level at the bystander’s position (50 ft)
dB (A)
84
86
Vibration acceleration a
h,w
per EN 1454
- Tubular handle (idle/rated spindle speed)
m/s
2
6 / 5
7 / 6
- Rear handle (idle/rated spindle speed)
m/s
2
8 / 6
8 / 7
Carburetor
(diaphragm carburetor)
Type
WALBRO WJ-105
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
1.65
2.1
Specific consumption at max. load per ISO 8893
g/kWh
500
500
Fuel tank capacity
fl oz (l)
37 (1.1)
37 (1.1)
Mixture ratio (fuel/two-stroke oil)
- when using MAKITA HP 100 high-performance oil
100:1
100:1
- when using MAKITA oil
50:1
50:1
Cutting disc for 80 m/sec.
2)
in
12" / 0.8" / 0.2"
3)
14" / 0.8" / 0.2"
3)
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)
14" / 1" / 0.2"
3)
Arbor diameter
in
0.8" 0.8" / 1.0" 0.8" 0.8" / 1.0"
V-belt
no.
965 300 470
965 300 470
Overall weight (tanks empty, without cutting disc)
lb 21.38 21.82 21.6 22.04
Displacement
cu in (cm
3
)
4.9 (81)
4.9 (81)
Bore
in (mm)
2.05 (52)
2.05 (52)
Stroke
in (mm)
1.49 (38)
1.49 (38)
Max. power
hp (kW)
6.2 (4.5)
6.2 (4.5)
Max. torque
Nm
5.2
5.2
Idling speed
1/min
2,500
2,500
Clutch engagement speed
1/min
3,800
3,800
Engine speed limitation
1/min
9,350 ± 145
9,350 ± 145
Max. spindle speed
1/min
4,300
3,750
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 EN 1454
- Tubular handle (idle/rated spindle speed)
m/s
2
5.6 / 6.3
5.6 / 6.3
- Rear handle (idle/rated spindle speed)
m/s
2
8.8 / 6.0
8.8 / 6.0
Carburetor
(diaphragm carburetor)
Type WALBRO WJ-105
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
2.3
2.3
Specific consumption at max. load per ISO 8893
g/kWh
500
500
Fuel tank capacity
fl oz (l)
37 (1.1)
37 (1.1)
Mixture ratio (fuel/two-stroke oil)
- when using MAKITA HP 100 high-performance oil
100:1
100:1
- when using MAKITA oil
50:1
50:1
Cutting disc for 80 m/sec.
2)
in
14" / 0.8" / 0.2"
3)
16" / 0.8" / 0.2"
3)
Cutting disc for 80 m/sec.
2) 4)
in
14" / 1.0" / 0.2"
3)
16" / 1.0" / 0.2"
3)
Arbor diameter
in
0.8" (1.0")
4)
0.8" (1.0")
4)
V-belt
no.
965 300 490
965 300 480
Overall weight (tanks empty, without cutting disc)
lb
22.05
23.37
2)
Circumference speed at max. engine speed
3)
Outside diameter / arbor hole / thickness
4)
Country-specific
DPC6410 DPC6411 DPC7310, 7320 DPC7311, 7321
DPC8111
DPC8112