Specifications - Echo ES-250ES Operator's Manual

Mass (Dry, with vacuum pipes):
External dimensions (without vacuum pipes):
Length
Width
Height
Engine:
Type
Engine displacement
Maximum power
Engine speed at maximum engine power
Recommended engine speed at full load
Recommended engine speed at idling
Carburettor
Ignition
Spark plug
Starter
Air volume: (ANSI/OPEI B175.2)
Max. air speed: (ANSI/OPEI B175.2)
Fuel:
Oil
Ratio
Tank Capacity (full):
Sound pressure level: (EN15503)
uncertainty
Sound power level: (EN15503)
uncertainty
Vibration: (EN15503)
uncertainty
These specifications are subject to change without notice.

Specifications

kg
mm
mm
mm
3
cm
kW
r/min
r/min
r/min
r/min
3
m /h
m/s
mL
L dB(A)
pAeq
dB(A)
K
pA
L dB(A)
WAeq
dB(A)
K
WA
2
a m/s
hv,eq
2
m/s
2
m/s
29
Specifications
ES-250ES
5.7
330
280
345
Air cooled 2-stroke single cylinder gasoline engine
25.4
0.7
7000
6700 (with vacuum pipe)
7600 (with flat straight nozzle)
3000
Diaphragm type
Flywheel magneto - CDI system
NGK BPMR8Y
Recoil starter
576 (with flat straight nozzle)
81.7 (with flat straight nozzle)
Regular grade petrol. Minimum 89 Octane unleaded
petrol is recommended. Do not use fuel containing
methyl alcohol or more than 10 % of ethyl alcohol.
Two stroke, air-cooled engine oil. ISO-L-EGD Stand-
ard (ISO/CD 13738), JASO FC,FD grade and ECHO
recommended oil.
50 : 1 (2%)
500
93.3 (with vacuum pipe)
89.0 (with flat straight nozzle)
2.5
106.6 (with vacuum pipe)
104.0 (with flat straight nozzle)
2.5
8.3 (with vacuum pipe)
9.0 (with flat straight nozzle)
5.0 (with vacuum pipe -Rear handle)
4.1(with vacuum pipe)
5.0 (with flat straight nozzle)
4.1 (with vacuum pipe -Rear handle)