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2
1 SERVICE INFORMATION
1-1 Specifi cations
Dimensions Length
Width
Height
Dry weight*
Engine
Type
Rotation
Displacement
Bore
Stroke
Compression ratio
Carburettor Type
Model
Venturi size-Throttle bore mm(in)
Ignition
Type
Spark plug
Exhaust
Muffl er type
Starter
Type
Rope diameter x length
Fuel
Type
Mixture ratio
Petrol
Two-stroke air cooled engine oil
Tank capacity
Clutch
Type
Guide bar / Saw chain lubrication type
Tank capacity, oil
Sprocket
Type
Number of teeth
Pitch
* Without guide bar and saw chain.
Oregon Saw chain 21BPX
Cutting devices
Guide bar
Part No.
Called length
Gauge
Saw chain
Number of drive links
Pitch
Gauge
SERVICE INFORMATION
mm(in)
mm(in)
mm(in)
kg(lb)
YAMABIKO, stratifi ed scavenging, air-cooled, two-stroke,
single cylinder Ventilated piston, Semi-automatic decompression
3
3
cm
(in
)
mm(in)
mm(in)
Walbro WLA-4 with Large D-shaped mixture needles
CDI (Capacitor discharge ignition) system
mm(in)
ISO-L-EGD (ISO/CD13738), JASO FC/FD
L (U.S.fl .oz.)
Inboard clutch : Centrifugal, 3-shoe slide with 3-tension spring
L (U.S.fl .oz.)
in
38RV58-325E
cm
38
in
64
in
in
448 (17.64)
253 (9.96)
284 (11.18)
6.0 (13.2)
Clockwise as viewed from the output end
54.1 (3.301)
45.0 (1.772)
34.0 (1.339)
7.2
Diaphragm horizontal-draught
13.49 - 15.85 (0.531 - 0.624)
Digital magneto
BPMR8Y
Spark arrester muffl er
Automatic rewind
4.0 x 950 (0.15 x 37.4)
Premixed two-stroke fuel
50 : 1 (2 %)
Minimum 89 octane petrol
0.53 (17.9)
Automatic with volume adjuster
0.3 (10.1)
Floating rim
7
0.325, 3/8
45RV58-325E
45
0.058
72
0.325
0.058
CS-550
50RV58-325E
50
80
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