The Subaru-Robin EC06D 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.
The Subaru-Robin EC06D engine has a lined aluminum cylinder, float type carburetor, T.C.I. ignition system (Transistor Circuit Ignition) and recoil starter.
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 5,000 rpm of maximum horsepower and 1.6 PS (1.2 kW; 1.6 HP) at 3,600 rpm or 1.9 PS (1.4 kW; 1.9 HP) at 4,500 of continuous power. Maximum torque is 3.7 N·m (0.38 kg·m, 2.73 ft·lb) at 3,700 rpm.
2-stroke, single cylinder
60.8 cm 3 (3.72 cu-in)
2.6 PS (1.9 kW; 2.5 HP) at 5,000 rpm
Max. torque (crank PTO)
3.7 N·m (0.38 kg·m, 2.73 ft·lb) at 3,700 rpm
Transistor Circuit Ignition
Unleaded gasoline (octane number 86 or higher)
Fuel tank capacity
PTO shaft rotation
Counterclockwise (from PTO shaft side)
Dimensions and Weight
Length, mm (in)
Width, mm (in)
Height, mm (in)
Dry weight, kg (lb)
2-stroke or an equivalent
Gasoline-lubricant mixture: 20-25:1
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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