2. SPECIFICATIONS
Engine Type 2-stroke, Air Cooled
Displacement 76.5 cc (4.7 cu-in)
Horsepower 3.7 kW (5 hp) @ 9,500 rpm
Torque 4.1 Nm (36.3 in-lbs) @ 6,500 rpm
Engine Speed 11500 +/- 500 rpm (max)
2,800 - 3,200 rpm (idle)
Chain Speed at Maximum Power 34.5 m/s (6800 ft/min)
Weight 9.5 kg (21 lbs) powerhead only
Powerhead Dimensions 46 cm (18 in) length 29 cm (11.5 in) height
25 cm (10 in) width
Air Filter Water resistant polyester
Carburetor Walbro WJ-136
Starter Dust and water resistant
Ignition Special water resistant electronic ignition
Clutch Centrifugal, three shoe, single spring
Fuel ratio 2% (50:1) gasoline-to-oil
Fuel Capacity 0.88 liter (0.23 gallon)
Water Supply Requirement Minimum 1.5 bar (20 psi)
Water Flow Requirement Minimum: 4 lpm (1 gpm)
Guaranteed Sound Power Level, Lwa (1) 117 dB(A) (Kwa=3.0 dB(A))
Equivalent Sound Pressure at the
Operator's Ear, LpA (1) 101.0 dB(A) (K = 2.0 dB(A))
Vibration, ahv, eq Concrete Cutting (2) 7.2 m/s2(K=1.0 m/s2) Front Handle
8.5 m/s2(K=1.0 m/s2) Rear Handle
Engine Break-in Period One tank, without cutting, cycling throttle
Spark Plug NGK BPMR8Y or Champion RCJ7Y
Electrode gap 0.5 mm (0.020 in)
(1) Measured in accordance with ANSI S12.51-2012/ISO3741:2010
(2) Measured in accordance with ISO5349-1:2001 and ISO22867:2011
