Service Information; Specifications - Bosch PB-650 Service Manual

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1 SERVICE INFORMATION

1-1 Specifications

Model
Dimensions Length*
Width*
Height*
Dry weight**
Engine Type
Rotation
Displacement
Bore
Stroke
Compression ratio
Carburetor Type
Model
Ignition Type
Spark plug
Starter Type
Rope diameter x length
Fuel Type
Mixture ratio
Petrol
Two-stroke air cooled engine oil
Tank capacity
Throttle Throttle control type
Throttle lever location
Blower Fan type
Max. air volume (with pipes)
Max. air velocity (with pipes)
Discharge ID
ID : Inner diameter.
* Without blower pipes.
** With straight pipes.
*** With taper pipe.
SERVICE INFORMATION
mm(in)
mm(in)
mm(in)
kg(lb)
KIORITZ, air-cooled, two-stroke, single cylinder
Counterclockwise as viewed from the output end
cm (in )
3 3
mm(in)
mm(in)
Diaphragm, horizontal-draught, with primer (purge pump)
Walbro WYK-150
mm(in)
L (U.S.fl.oz.)
m /min (ft /min)
3 3
m/s (mph)
mm (in)
PB-650
375 (14.8)
470 (18.5)
527 (20.8)
10.7 (23.6)
63.3 (3.863)
48.0 (1.89s)
35.0 (1.38)
6.3
CDI (Capacitor discharge ignition) system
BPM8Y
Automatic rewind
3.5 x 1000 (9/64 x 39 1/2)
Premixed two-stroke fuel
50 : 1 (2 %)
Minimum 89 octance petrol (RON)
ISO-L-EGD (ISO/CD13738), JASO FC
2.0 (67.64)
Trigger type with lock
Adjustable-tube mounted
Centrifugal, single stage
17 (600.35)**
97 (217)***
62 (2.441)
PB-650
PB-750
PB-750
11.4 (25.1)
Walbro WYK-179