Engine
Cylinder displacement 73.5 cm³
Power output 4.2 kW
Maximum power speed 9600 rpm
Fuel tank volume 0.7 l
Idling speed 2700 rpm
Spark plug Champion RCJ7Y, NGK BPMR7A
Electrode gap 0.5 mm
Torque, max. 4.5 Nm
Fuel consumption 417 g/kWh
Fuel consumption 1.77 kg/h
Equipment
Bar length (inch) 20″
Chain pitch 3/8″
Recommended bar length, max 32 in
Recommended bar length, max 81 cm
Recommended bar length, min 16 in
Recommended bar length, min 41 cm
Chain speed at max power 21.4 m/s
Chain speed at 133% of maximum engine power speed 28.5 m/s
Chain gauge 0.058 in
Dimensions
Weight (excl. cutting equipment) 6.8 kg
Lubricant
Oil tank volume 0.4 l
Oil pump type Adjustable flow
Oil pump capacity Max 22 ml/min
Oil pump capacity Min 5 ml/min
Sound and Noise
Sound power level, guaranteed (LWA) 116 dB(A)
Sound power level, measured 114 dB(A)
Sound pressure level at operators ear 105 dB(A)
Vibration
Equivalent vibration level (ahv, eq) front handle 2.9 m/s²
Equivalent vibration level (ahv, eq) rear handle 3.7 m/s²
Our most advanced saw for demanding professional use. Lower weight and increased power offers an excellent power to weight ratio. It features our X-Torq® engine that provides high torque over a very wide rpm range, combined with low fuel consumption and low exhaust emission levels. AutoTune always gives optimal engine setting,Smart Start® provides easier starting and Air Injection makes the saw run longer between filter cleanings.
