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CS-303T TECHNICAL DATA
© 08/2013 ECHO Inc.
X7503207802 37
TECHNICAL DATA
* Technical data subject to change without notice.
Model CS-303T
Length 260 mm (10.2 in.)
Width 235 mm (9.3 in.)
Height 220 mm (8.7 in.)
Dry weight 3.5 kg (7.7 lb.) Without chain and guide bar
Engine Air-cooled two-stroke single cylinder
Displacement 30.1 cm
3
(1.84 cu. in.)
Bore 37.0 mm (1.46 in.)
Stroke 28.0 mm (1.10 in.)
Compressions ratio 7.58 : 1
Carburetor Diaphragm type
Spark plug NGK BPM8Y
Fuel tank capacity 250mL (8.5 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 150 mL (5.1 US. fl. oz.)
Starter system Automatic rewind starter
Clutch Centrifugal type
Sprocket type Spur type, 6-tooth, 3/8 in. pitch
Chain brake Manual and non-manual band brake type
Idle speed 3,000 RPM
Clutch engagement speed 4,400 RPM
Wide open throttle speed
(W.O.T.)
11,500 RPM
Chain tensioner Side access system
Guide bar 12, 14 in
Saw chain 91PX/91VG
Standard features
Top handle, Front hand guard, Anti-vibration device, Throttle control lockout, Chain
catcher, Spark arrestor muffler
Kickback safety features Double Guard Low Kick Guide Bar, Low Kick Guard Link Saw Chain, Front Hand
Guard/Chain Brake Lever, Kick Guard