The Subaru-Robin EC06B is a 60.8 cc (3.72 cu·in) single-cylinder air-cooled 2-stroke internal combustion general-purpose gasoline engine with horizontal PTO shaft and Speed reduction system.
The Subaru-Robin EC06B engine has a lined aluminum cylinder, float type carburetor, T.C.I. ignition system (Transistor Circuit Ignition), recoil starter and speed reduction system with 1:2.5 reduction gear.
Cylinder bore is 44.0 mm (1.73 in) and piston stroke is 40.0 mm (1.57 in). The engine produced 2.6 PS (1.9 kW; 2.5 HP) at 2,000 rpm of maximum horsepower and 1.6 PS (1.2 kW; 1.6 HP) at 1,440 rpm or 1.9 PS (1.4 kW; 1.9 HP) at 1,800 of continuous power. Maximum torque is 9.3 N·m (0.9 kg·m, 6.9 ft·lb) at 1,480 rpm.
|Type||2-stroke, single cylinder|
|Displacement||60.8 cm 3 (3.72 cu-in)|
|Max. horsepower||2.6 PS (1.9 kW; 2.5 HP) at 2,000 rpm|
|Max. torque (crank PTO)||9.3 N·m (0.9 kg·m, 6.9 ft·lb) at 1,480 rpm|
|Ignition system||Transistor Circuit Ignition|
|Lubricating system||Mechanical splashing|
|Fuel used||Unleaded gasoline (octane number 86 or higher)|
|Fuel tank capacity||1.5 L|
|PTO shaft rotation||Counterclockwise (from PTO shaft side)|
Dimensions and Weight
|Length, mm (in)||285 (11.2)|
|Width, mm (in)||307 (12.1)|
|Height, mm (in)||287 (11.3)|
|Dry weight, kg (lb)||7.6 (16.8)|
|Oil type||2-stroke or an equivalent|
|Oil capacity||Gasoline-lubricant mixture: 20-25:1|
|Spark plug||NGK: B6HS|
|Spark plug gap||0.7-0.8 mm (0.028-0.031 in)|
|Spark plug tightening torque||27.5 N·m (2.8 kg·m, 20.3 ft·lb)|
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