Service Information; Specifications - Echo PB-251 Service Manual

2

1 SERVICE INFORMATION

1-1 Specifications

Dimensions Length*
Width*
Height
Dry weight**
Engine Type
Rotation
Displacement
Bore
Stroke
Compression ratio
Carburetor Type
Model
Ignition Type
Spark plug
Exhaust Muffler type
Starter Type
Rope diameter x length
Fuel Type
Mixture ratio
Gasoline
Two-stroke engine oil
Tank capacity
Blower Fan type
Max. air volume (with pipes)
Max. air velocity (with pipes)
Discharge ID
*Without blower pipes **With all blower pipes
SERVICE INFORMATION
mm(in)
mm(in)
mm(in)
kg(lb)
3 3
cm (in )
mm(in)
mm(in)
Rotary type : Diaphragm, horizontal-draught, with purge bulb
Variable Slope Timing (VST) : Slope advance ignition
system combined with electronic speed governor
mm(in)
L (U.S.fl.oz.)
3 3
m /min ( ft /min)
m/s (mph)
††
mm(in)
†
Refer to Operator's manual.
330 (13.0)
265 (10.4)
360 (14.2)
4.5 (9.9)
KIORITZ, air-cooled, two-stroke, single cylinder
Counterclockwise as viewed from the output end
25.4 (1.55)
34.0 (1.34)
28.0 (1.10)
7.0
ZAMA RB-K85
CDI (Capacitor discharge ignition) system
BPM8Y
Spark arrestor muffler with catalyst
Automatic rewind
3.0 x 815 (1/8 x 32.1)
†
Premixed two-stroke fuel
50 : 1 (2%)
Minimum 89 octane
ISO-L-EGD (ISO/CD13738), JASO M345-FC/FD
0.5 (16.9)
Centrifugal, single stage
10.9 (386)
63.5 (142)
62 (2.44)
††
PB-251
ID : Inner diameter