Engine specification
Cylinder displacement 40.9 cm³ / 2.5 cu.inch
Cylinder bore 41 mm / 1.61 inch
Cylinder stroke 31 mm / 1.22 inch
Power output 1.8 kW
Maximum power speed 9000 rpm
Fuel tank volume 0.37 lit / 12.51 fl oz
Fuel consumption 513 g/kWh
Ignition module air gap 0.3 mm / 0.01 ”
Idling speed 2900 rpm
Spark plug NGK BPMR7A, Champion RCJ7Y
Electrode gap 0.5 mm / 0.02 ”
Torque, max. 2.16 Nm/6300 rpm
Lubricants
Oil tank volume 0.25 lit / 0.53 US pint
Oil pump type Fixed flow
Vibration & noise data
Equivalent vibration level (ahv, eq) front / rear handle 2.5/3.2 m/s²
Sound pressure level at operators ear 102 dB(A)
Sound power level, guaranteed (LWA) 114 dB(A)
Cutting equipment
Chain pitch .325″
Recommended bar length, min-max 33-46 cm / 13″-18″
Chain speed at max power 17.3 m/s / 48.2 fts
Chain speed at 133% of maximum engine power speed 23 m/s / 75.46 fts
Chain gauge 0.05 ”
Sprocket type Spur 7
Bar mount Small
Overall dimensions
Weight (excl. cutting equipment) 4.4 kg / 9.78 lbs