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© 2011 ICS- Blount Inc Specifications and pricing are subject to change without notice. P/N 525747 REV12Sep2012
680GC SERVICE MANUAL
2. SPECIFICATIONS
Engine Type
2-stroke Single Cylinder Air Cooled
Displacement
4.7 cu-in (76.5 cc)
Horsepower
5 hp (3.7 kW) @ 9,500 rpm
Torque
36.3 in-lbs (4.1 Nm) @ 6,500 rpm
Engine Speed
11,500 +/- 500 rpm (max)
2,800-3,200 rpm (idle)
Weight
21 lbs (9.5 kg) without guidebar and
diamond chain
Dimensions
18 inches (46cm) length
11.5 inches (29cm) height
10 inches (25cm) width
Air Filter
Water resistant polyester
Carburetor
Walbro WJ122B
Starter
Dust and water resistant
Ignition
Special water resistant electronic
ignition
Clutch
Centrifugal, three shoe, single spring
Fuel ratio
25:1 (4%) gasoline-to-oil
Fuel Capacity
0.23 gal (.88 liter)
Water Supply
Minimum 20 psi (1.5 bar)
Water Flow
Minimum: 2 gpm (8 lpm)
Noise Level
101 dB at 3 ft (1m)
Vibration Level
7.2 m/s
2
(front handle)
8.5 m/s
2
(rear handle)
Engine Break-in Period
One tank, without cutting, cycling
throttle
Spark Plug
NGK BPMR8Y
Electrode gap .020 in (0.5 mm)
Specifications