External dimensions:
Length × Width × Height
Mass:
Unit without fuel, cutting attachment and guard (ISO11806)
Unit with fuel, specified cutting attachment, guard and harness
Volume: Fuel tank
Cutting attachment:
Usable cutting depth of specified cutting attachment
Specified blade diameter
Specified blade thickness
Number of cutting teeth
Blade centre hole diameter
Blade rotational speed at maximum allowable engine speed
Gear ratio: Gear ratio and lubrication
Rotational direction of output shaft seen from above:
Engine:Type
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
Carburettor
Ignition
Spark plug
Starter
Clutch
Fuel:
Oil
Ratio
Fuel consumption at maximum engine power
Specific fuel consumption at maximum engine power
Vibration levels: (ISO 22867)a
Sound pressure level: (ISO 22868) LpAeq
Uncertainty : (K
)
pA
Guaranteed sound power level:(ISO 22868) L
These specifications are subject to change without notice.
hv,eq
WA
Specifications
1835 × 705 × 560 mm
9.0 kg
11.7 kg
0.79 L
80 mm
255 mm
3.0 mm
3
25.4 mm
10000 r/min
1.33 reduction and good quality lithium grease
Anticlockwise
Air cooled two stroke, single cylinder
3
50.2 mL (cm
)
2.16 kW
12000 r/min
9000 r/min
2800 r/min
Diaphragm type
Flywheel magneto - CDI system
NGK BPMR8Y
Recoil starter
Automatic centrifugal clutch
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%)
1.23 L/h
423 g/(kW•h)
Right handle 3.4 m/s
Left handle 3.2 m/s
Uncertainty 0.8 m/s
97.7 dB(A)
0.8 dB(A)
115 dB(A)
27
Specifications
SRM-520ES
2
2
2