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SPECIFICATIONS
SPECIFICATIONS
Model
Length
Width
Height
Dry weight
Engine
Displacement
Bore
Stroke
Compressions ratio
Carburetor
Spark plug
Fuel tank capacity
Fuel
Gasoline
Oil
Oiling system
Chain oil capacity
Starter system
Clutch
Sprocket type
Chain brake
Idle speed
Clutch engagement
speed
Wide Open Throttle
speed (W.O.T.)
Chain tensioner
56
395 mm (15.5 in.)
250 mm (9.8 in.)
290 mm (11.42 in.)
4.8 kg (10.6 lb.) Without chain and guide bar
Air-cooled two-stroke single cylinder
50.2 mL (3.06 cu. in.)
44.0 mm (1.73 in.)
33.0 mm (1.30 in.)
7.75:1
Diaphragm type
NGK BPMR8Y (Gap 0.65 mm [0.026 in.])
490 mL (16.6 US. fl. oz.)
50:1
Use 89 octane unleaded. Do not use fuel
containing methyl alcohol, more than 10%
ethyl alcohol or 15% MTBE. Do not use
alternative fuels such as E-15 or E-85.
ISO-L-EGD (ISO/CD 13738) and JASO M345-
FD two-stroke, air-cooled engine oil.
Adjustable automatic oiler
280 mL (9.5 US. fl. oz.)
Automatic rewind starter
Centrifugal type
Spur type, 6-tooth, 3/8 in. pitch
Automatic band brake type
2,800RPM
3,900RPM
11,500 RPM
Side access system
491s
X7503312606
© 02/24 ECHO Incorporated
491
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