Specifications - Echo PB-251 Operator's Manual

Specifications

Mass (Dry , without pipes):
External dimensions (without pipes):
Length
Width
Height
Engine:
Type
Engine displacement
Maximum power
Engine speed at maximum engine power
Recommended maximum engien speed
Recommended engine idling speed
Carburettor
Ignition
Spark plug
Starter
Air Volume with straight pipe:
Air speed with straight pipe:
Fuel:
Oil
Ratio
Tank Capacity:
Sound pressure level: (ISO 22868) LpAav =
Guaranteed sound power level:
(2000/14/EC) L =
WA
Vibration levels: (ISO 22867)
These specifictions are subject to change without notice.
Specifications
kg 4.1
mm 340
mm 265
mm 350
Air cooled 2-stroke single cylinder
3
mL (cm ) 25.4
kW 0.7
r/min 7000
r/min 7500
r/min 3000
Diaphragm type
Flywheel magneto - CDI system
NGK BPMR8Y
Automatic recoil system
3
m /min 8.5
m/s 71
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
Premium 50 : 1 oil.
50 : 1 (2%)
L 0.5
dB(A) 87
dB(A) 104
2
m/s 9.0
26
PB-251