SPECIFICATIONS
CS-400
56
X7503256004
© 08/2020 ECHO Incorporated
SPECIFICATIONS
MODEL
CS-400
Length
393 mm (15.5 in.)
Width
243 mm (9.56 in)
Height
277 mm (10.1 in.)
Dry weight
4.6 kg (10.1 lb.) Without chain and guide bar
Engine
Air-cooled two-stroke single cylinder
Displacement
40.2 mL (2.45 cu. in.)
Bore
40.0 mm (1.57 in.)
Stroke
32.0 mm (1.26 in.)
Compressions ratio
6.5:1
Carburetor
Diaphragm type
Spark plug
NGK BPMR8Y (Gap 0.65 mm [0.026 in.])
Fuel tank capacity
410 mL (13.9 US. fl. oz.)
Gasoline/Oil Ratio
50 : 1
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.
Oil
ISO-L-EGD (ISO/CD 13738) and JASO M345-FD
two-stroke, air-cooled engine oil.
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
Spur type, 6-tooth, 3/8 in. pitch
Chain brake
Automatic band brake type
Idle speed
2,700 RPM
Clutch engagement speed
4,100 RPM
Wide open throttle speed
(W.O.T.)
12,000 RPM
Chain tensioner
Side access system
Guide bar
16, 18 in
Saw chain
91PX/91VG
Standard features
Front hand guard, Rear hand guard, Anti-vibration
device, Spiked bumper, Throttle control lockout,
Chain catcher, Spark arrestor muffler,
