CS-450 TECHNICAL DATA
© 09/2013 ECHO Inc.
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TECHNICAL DATA* Technical data subject to change without notice.
Model CS-450
Length 400 mm (15.7 in.)
Width 252 mm (9.9 in.)
Height 278 mm (10.9 in.)
Dry weight 5.1 kg (11.2 lb.) Without chain and guide bar
Engine Air-cooled two-stroke single cylinder
Displacement 45.0 mL (2.746 cu. in.)
Bore 43.0 mm (1.693 in.)
Stroke 31 .0 mm (1.220 in.)
Compressions ratio 7.1 : 1
Carburetor Diaphragm type
Spark plug NGK BPM8Y
Fuel tank capacity 450 mL (15.2 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 280 mL (9.5 US. fl. oz.)
Starter system Automatic rewind starter
Clutch Centrifugal type
Sprocket type Rim type, 7-tooth, 0.325 in. pitch
Chain brake Automatic band brake type
Idle speed 2,700 RPM
Clutch engagement speed 4,000 RPM
Wide open throttle speed
(W.O.T.) 12,500 RPM
Chain tensioner Side access system
Guide bar 16, 18, 20 in
Saw chain 20BPX/95VP/33SL
Standard features Front hand guard, Rear hand guard, Anti-vibration device, Spiked bumper, Throttle
control lockout, Chain catcher, Spark arrestor muffler, Tip guard