* Technical data subject to change without notice.
TECHNICAL DATA
MODEL
CS-680
Dimension L × W × H mm 435 × 236 × 302 (17.1 in. × 9.3 in. × 11.9 in.)
Mass Power head, dry kg 6.6 (14.5 lb.) Without chain and guide bar
Engine Type Air-cooled two-stroke single cylinder
Displacement mL (cm³) 66.8 (4.07 cu. in.)
Carburetor Diaphragm type
Magneto Flywheel magneto: CDI system
Spark plug NGK BPM7A
Starter Recoil starter
Power transmission Automatic centrifugal clutch
Fuel Mixture ratio
50:1ratiowithECHOPowerBlendX™,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.
Tank capacity L 0.64 (21.6 US. fl. oz.)
Oil Bar and chain ECHO bar and chain oil
Tank capacity L 0.37 (12.5 US. fl. oz.)
Guide bar and
saw chain
See page 23 for Chain and Guide Bar Combination
Lubrication Adjustable automatic oil pump and manual oil pump
Engine speed Idle
r/min
2800 - 3000
Clutch engagement 3600 - 4300
Wide open throttle 12500 - 14000
Standard
features
Front hand guard, Rear hand guard,
Anti-vibration device, Spiked bumper,
Throttle control lockout, Chain brake, Chain catcher,
Spark arrestor muffler