7
1) The data takes equally into account the idling and racing or wide open throttle speed operating modes.
Technical data

Model RBC411

U handle
Dimensions: length x width x height (without cutting blade) mm 1,705 x 620 x 435 (67" x 24" x 17")
Mass (without plastic guard and cutting blade) kg 7.3 (16.1 lb)
Volume (fuel tank) L 1.1
Engine displacement cc 40.2
Maximum engine performance HP 1.97 at 7,000 /min
Engine speed at recommended max. spindle speed /min 8,500
Maximum spindle speed (corresponding) /min 6,800
Fuel consumption kg/h 0.98 (32.8 oz/h)
Specific fuel consumption g/HPh 846 (29.9 oz/kwh)
Idling speed /min 2,600
Clutch engagement speed /min 3,600
Carburetor (Float - carburetor) type MIKUNI VM
Ignition system type Solid state ignition
Spark plug type NGK BPM7A
Electrode gap mm 0.6 - 0.7
Mixture ratio (Fuel: MAKITA 2-stroke oil) 25 : 1
Gear ratio 13/19