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© 2012 ICS, Blount International Inc. Specifications are subject to change without notice. REV020212 F/N 549305
660GC OPERATOR’S MANUAL
8
TECHNICAL SPECIFICATIONS
Engine Type
2-stroke Single Cylinder Air Cooled
Displacement
3.9 cu-in (64 cc)
Horsepower
4.2 HP (3.1 kw) @ 9,500 RPM
Torque
32 in-lbs (3.6 Nm) @ 6,000 RPM
Engine Speed
11,500 +/- 500 rpm (max)
2,800-3,200 rpm (idle)
Weight
18.2 lbs (8.3 kg) without guidebar and
diamond chain
Cut Depth
Up to 10 in (25.4 cm)
Dimensions
17 in (44 cm) length
10 in (25.5 cm) height
11.6 in (29.5 cm) width
Air Filter
Water Resistant Polyester
Carburetor
Walbro HDA225
Starter
Dust and Water resistant
Ignition
Special water resistant electronic
ignition
Clutch
Centrifugal three shoe, single spring
Fuel Mix ratio
25:1 (4%)
Fuel Capacity
0.26 gallons (1 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
6.2 m/s
2
(front handle)
7.3 m/s
2
(rear handle)
Engine Break-in Period
One tank, without cutting, cycling
throttle
Spark Plug
Champion CJ7Y, Bosch BWS7F, or
NGK BPMR7A.
Electrode gap .020 in (0.5 mm)
Summary of Contents for 660GC
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