CS-501P SPECIFICATIONS
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© 01/20 ECHO Incorporated
SPECIFICATIONS
MODEL CS-501P
Length 395 mm (15.6 in.)
Width 235mm (9.3 in)
Height 290 mm (11.4 in.)
Dry weight 4.7 kg (10.4 lb.) Without chain and guide bar
Engine Air-cooled two-stroke single cylinder
Displacement 50.2 mL (3.06 cu. in.)
Bore 44.0 mm (1.73 in.)
Stroke 33.0 mm (1.30 in.)
Compressions ratio 7.2:1
Carburetor Diaphragm type
Spark plug NGK BPMR8Y (Gap 0.65 mm [0.026 in.])
Fuel tank capacity 500 mL (16.91 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 3,900 RPM
Wide open throttle speed
(W.O.T.)
13,800 RPM
Chain tensioner Side access system
Guide bar 16, 18, 20 in
Saw chain 20LPX/20BPX
Standard features
Front hand guard, Rear hand guard, Anti-vibration
device, Spiked bumper, Throttle control lockout,
Chain catcher, Spark arrestor muffler, (Kick Guard
TM
optional)
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