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ChainsawsSpecifications
Chainsaws

Chainsaws

Specifications

CS-680 Specifications

Physical Dimensions

SpecificationValue
Length435 mm (17.1 in.)
Width236 mm (9.3 in.)
Height302 mm (11.9 in.)
Dry weight6.6 kg (14.6 lb.) Without chain and guide bar

Engine

SpecificationValue
TypeAir-cooled two-stroke single cylinder
Displacement66.8 mL (4.08 in³)
Bore50.0 mm (1.97 in.)
Stroke34.0 mm (1.34 in.)
Compression ratio7.6:1
CarburetorDiaphragm type

Fuel & Lubrication

SpecificationValue
Spark plugNGK BPMR7A
Gap0.65 mm (0.026 in.)
Fuel tank capacity640 mL (21.6 U.S. fl. oz.)
Gasoline/Oil Ratio50:1
GasolineUse 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.
OilISO-L-EGD (ISO/CD 13738) and JASO M345-FD two-stroke, air-cooled engine oil.

Chain System

SpecificationValue
Oiling systemAdjustable automatic oiler and manual oiler
Chain oil capacity370 mL (12.5 U.S. fl. oz.)
Sprocket typeRim type, 7-tooth, 3/8 in. pitch
Chain brakeManual and non-manual band brake type
Chain tensionerSide access system
Guide bar20 in. (optional 16, 24, 27 in.)
Saw chainOREGON chain 72LPX/72V (3/8 in. pitch)

Performance

SpecificationValue
Starter systemAutomatic rewind starter
ClutchCentrifugal type
Idle speed2,900 RPM
Clutch engagement speed3,800 RPM
Wide open throttle speed13,100 RPM

Standard Features

  • Front hand guard

  • Rear hand guard

  • Anti-vibration device

  • Spiked bumper

  • Throttle control lockout

  • Chain catcher

  • Spark arrester muffler

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