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© 08/2013 ECHO Inc.
TECHNICAL DATA CS-310
TECHNICAL DATA
* Technical data subject to change without notice.
Model CS-310
Length 396 mm (15.6 in.)
Width 232 mm (9.1 in.)
Height 273 mm (10.7 in.)
Dry weight 4.0 kg (8.8 lb.) Without chain and guide bar
Engine Air-cooled two-stroke single cylinder
Displacement 30.5 mL (1.861cu. in.)
Bore 36.0 mm (1.417 in.)
Stroke 30.0 mm (1.181 in.)
Compressions ratio 6.7 : 1
Carburetor Diaphragm type
Spark plug NGK BPM8Y
Fuel tank capacity 250 mL (8.47 US. fl. oz.)
Fuel
50 : 1 ratio with ECHO Power Blend X™, ISO-L-EGD (ISO/CD 13738) and JASO
M345-FD two-stroke, air-cooled engine oil.
Gasoline
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.
Oiling system Adjustable automatic oiler
Chain oil capacity 260 mL (8.81 US. fl. oz.)
Starter system Automatic rewind starter
Clutch Centrifugal type
Sprocket type Spur type, 6-tooth, 3/8 in. pitch
Chain brake Automatic band brake type
Idle speed 3,200 RPM
Clutch engagement speed 4,200 RPM
Wide open throttle speed
(W.O.T.)
12,500 RPM
Chain tensioner Side access system
Guide bar 12, 14, 16 in
Saw chain 91PX/91VG
Standard features
Front hand guard, Rear hand guard, Anti-vibration device, Throttle control lockout,
Chain catcher, Spark arrestor muffler, Tip guard, (Spiked bumper; Option)
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