The 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.
|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)|
|Lubrication system:||Fuel-lubricant Mixture Type|
|Recommended oil:||2-Cycle Engine Oil|
|Oil capacity||Gasoline-lubricant mixture: 25:1|
|Type:||Float type carburetor|
|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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