Subaru-Robin EC06B

Subaru-Robin EC06BThe Subaru-Robin EC06B is a 60.8 cc (3.72 cu·in) natural aspirated single-cylinder two-stroke air-cooled internal combustion small gasoline engine with a horizontal shaft and 1:2.5 speed reduction system.

The Subaru-Robin EC06B engine has a single-cylinder, float type carburetor, flywheel magneto type ignition system (contactless magneto type ignition available as an option), and recoil starter. The engine is fitted with a semi-wet type air cleaner. The EC06B is equipped with a 1.5 L (0.4 US. gal. 0.33 Imp. gal.) fuel tank.

It has a 44.0 mm (1.73 in) cylinder bore and 40.0 mm (1.57 in) piston stroke. The EC06B engine produced 2.6 PS (1.9 kW; 2.5 HP) at 2,000 rpm of maximum horsepower and 9.3 N·m (0.9 kg·m, 6.9 ft·lb) at 1,480 rpm of maximum torque.

General information

Engine Specifications
Engine model EC06B
Engine type 2-stroke, Piston Valve Type, single-cylinder
Displacement 60.8 cm3, (3.72 cu·in)
Max. horsepower 2.6 PS (1.9 KW; 2.5 HP) at 2,000 rpm
Max. torque 9.3 N·m (0.9 kg·m, 6.9 ft·lb) at 1,480 rpm
Cooling system Forced air
Air cleaner Semi-wet type
Lubricating system Fuel-lubricant mixture type
Ignition system Flywheel Magneto Type (Contactless Magneto Type available as option)
Fuel system Float type carburetor
Fuel consumption 390 g/HPh
Fuel tank capacity 1.5 L (0.4 US. gal. 0.33 Imp. gal.)
Fuel used Unleaded gasoline (octane number 86 or higher)
Starting system Recoil starter
Governor Centrifugal flyweight type
PTO shaft rotation Counterclockwise (from PTO shaft side)
Speed Reduction System 1:2.5 reduction gear
Dimensions (L x W X H) 285 x 307 x 287 mm (11.2 x 12.1 x 11.3 in)
Dry weight 8.6 kg (19.0 lbs)

Service Data

Oil system
Lubrication system: Fuel-lubricant Mixture Type
Recommended oil: 2-Cycle Engine Oil
Oil capacity Gasoline-lubricant mixture: 25:1
Fuel system
Type: Float type carburetor
Ignition system
Type: Flywheel Magneto Type (Contactless Magneto Type available as option)
Spark plug: NGK: B6HS
Spark plug torque: 27.5 N·m (2.8 kg·m, 20.3 ft·lb)

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