Engine
Chain speed at max power: 64.3 fts
Cylinder displacement: 50.1 cm³
Output shaft power: 4 hp
Torque, max.: 3.15 Nm
Torque, max. at rpm: 7,800 rpm
Clutch engagement speed (±120): 3,900 rpm
Electrode gap: 0.02 in
Idling speed: 2,800 rpm
Ignition module air gap: 0.01 in
Maximum power speed: 10,200 rpm
Oil pump type: Adjustable flow, no flow at idle
Spark Plug: NGK CMR6H

Equipment
Recommended bar length, min: 13 in
Pitch: .325″
Recommended bar length, max: 20 in
Chain type: SP33G
Bar length: 45 cm
Bar length (inch): 18 in
Sprocket type: Rim 7
Gauge: .050″

Dimensions
Weight (excl. cutting equipment): 12.3 lbs

Sound and noise
Sound pressure level at operator’s ear: 107 dB(A)
Sound power level, guaranteed (LWA): 117 dB(A)
Sound power level, measured: 115 dB(A)

Vibration
Equivalent vibration level (ahv, eq) rear handle: 4.6 m/s²
Equivalent vibration level (ahv, eq) front handle: 4 m/s²

Lubricant
Oil tank volume: 0.68 US pint
Lubricant type (Engine): Husqvarna 2 stroke or equiv. at 50:1

Emission
Exhaust emissions (CO₂ EU V): 813 g/kWh