Description
Engine
Chain speed at max power: 74.5 fts
Cylinder displacement: 70.7 cm³
Output shaft power: 4.9 hp
Torque, max.: 3.8 Nm
Torque, max. at rpm: 6,600 rpm
Clutch engagement speed (±120): 3,500 rpm
Electrode gap: 0.02 in
Idling speed: 2,700 rpm
Ignition module air gap: 0.01 in
Maximum power speed: 10,200 rpm
Oil pump capacity, max: 20 ml/min
Oil pump capacity, min: 4 ml/min
Oil pump type: Adjustable flow, no flow at idle
Spark Plug: Champion RCJ7Y, NGK BPMR7A
Equipment
Recommended bar length, min: 16 in
Pitch: 3/8″
Recommended bar length, max: 28 in
Chain type: H42
Bar length: 50 cm
Bar length (inch): 20 in
Sprocket type: Rim 7
Gauge: .058″
Dimensions
Weight (excl. cutting equipment): 14.1 lbs
Sound and noise
Sound pressure level at operator’s ear: 110 dB(A)
Sound power level, guaranteed (LWA): 119 dB(A)
Sound power level, measured: 118 dB(A)
Vibration
Equivalent vibration level (ahv, eq) rear handle: 8 m/s²
Equivalent vibration level (ahv, eq) front handle: 5.7 m/s²
Lubricant
Oil tank volume: 0.89 US pint
Lubricant type (Engine): Husqvarna 2 stroke or equiv. at 50:1
Emission
Exhaust emissions (CO₂ EU V): 747 g/kWh