Technical Data - Echo CS-490 Operator's Manual

MODEL
Dimension L × W × H
Mass Power head, dry
Engine Type
Displacement
Carburetor
Magneto
Spark plug
Starter
Power transmission
Fuel Mixture ratio
Gasoline
Tank capacity
Oil Bar and chain
Tank capacity
Guide bar and
saw chain
Lubrication
Engine speed Idle
Clutch engagement
Wide open throttle
Standard
features
* Technical data subject to change without notice.
CS-490

TECHNICAL DATA

mm 395 × 250 × 290
kg 4.8 Without chain and guide bar
Air-cooled two-stroke single cylinder
mL (cm³) 50.2
Diaphragm type
Flywheel magneto: CDI system
NGK BPMR8Y
Recoil starter
Automatic centrifugal clutch
50 : 1 ratio with ECHO Power Blend X™, ISO-L-
EGD (ISO/CD 13738) and JASO M345-FD two-
stroke, air-cooled engine oil.
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.
L 0.490
ECHO bar and chain oil
L 0.280
See page 23 for Chain and Guide Bar Combination
Adjustable automatic oil pump
2600 - 3600
r/min 3600 - 4200
11000 - 12500
Front hand guard, Rear hand guard,
Anti-vibration device, Spiked bumper,
Throttle control lockout, Chain brake, Chain catcher,
Spark arrestor muffler, Kick guard
32
cS-490