Engine specification Cylinder displacement 7.3 cu.inch / 118.8 cm3
Power output 8.4 hp / 6.2 kW
Idling speed 2500 rpm
Maximum power speed 9000 rpm
Cylinder bore 2.36 inch / 60 mm
Cylinder stroke 1.65 inch / 42 mm
Ignition system SEM AM50
Ignition module air gap 0.01 " / 0.3 mm
Spark plug NGK BPMR7A
Electrode gap 0.02 " / 0.5 mm
Carburettor model name WG8
Fuel tank volume 2.64 US pint / 1.25 litre
Oil tank volume 1.48 US pint / 0.7 litre
Oil pump type Adjustable flow
Oil pump capacity 28-51 ml/min

Cutting equipment Chain pitch .404"
Recommended bar length, min-max 24"-42" / 60-105 cm
Chain speed at max power 65.95 fts / 20.1 m/s
Emission, vibration & noise data Equivalent vibration level (ahv , eq) front / rear handle 7.7/10.6 m/s2
Sound pressure level at operators ear 101 dB(A)
Sound power level, guaranteed (LWA) 116 dB(A)
Overall dimensions Weight (excl. cutting equipment) 22.9 lbs / 10.4 kg