29
Specifications
Specifications
These specifications are subject to change without notice.
RM-520ES
External dimensions:
Length × Width × Height
2828 × 449 × 564 mm
Mass:
Unit without fuel, cutting attachment and guard (ISO11806)
Unit with fuel, specified cutting attachment, guard and harness
12.0 kg
13.7 kg
Volume:
Fuel tank
1.0 L
Cutting attachment:
Nylon line cutting head
Nylon line head Cutting width (Cutting Swath)
Specified blade diameter (option)
Specified blade thickness (option)
Number of cutting teeth (option)
Blade centre hole diameter
Blade rotational speed at maximum allowable engine speed
Z5
430 mm
255 mm
3.0 mm
3
25.4 mm
10000 r/min
Gear ratio:
Gear ratio and lubrication
1.33 reduction and high-temperatuire, long-life grease
Rotational direction of output shaft seen from above:
Anticlockwise
Engine:
Type
Air cooled 2-stroke single cylinder
Engine displacement
Maximum shaft brake power, measured in accordance with ISO 8893
Engine speed at maximum engine power
Recommended maximum engine speed (With STD attachment in-
stalled)
Recommended engine idling speed
50.2 mL (cm
3
)
2.16 kW
9000 min
-1
10900 min
-1
2800 min
-1
Carburettor
Ignition
Spark plug
Starter
Clutch
Diaphragm type
Flywheel magneto - CDI system
NGK BPMR8A
Recoil starter
Automatic centrifugal clutch
Fuel:
Oil
Ratio
Regular grade petrol. Minimum 89 Octane unleaded
petrol is recommended. Do not use fuel containing me-
thyl alcohol or more than 10% of ethyl alcohol.
Two stroke, air-cooled engine oil. ISO-L-EGD Standard
(ISO/CD 13738), JASO FC,FD grade and ECHO Premi-
um 50:1 oil.
50:1 (
2%
)
Fuel consumption at maximum engine power
Specific fuel consumption at maximum engine power
1.23 L/h
423 g/kW•h
Vibration levels:
(ISO 22867)a
hv,eq
Front handle 5.3 m/s
2
Rear handle 4.0 m/s
2
Uncertainty 1.2 m/s
2
Sound pressure level:
(ISO 22868) LpAeq
97.5 dB(A)
Uncertainty 1.5 dB(A)
Guaranteed sound power level:
(ISO 22868) L
WA
114 dB(A)
