Subaru-Robin EC08B

Subaru-Robin EC08BThe Subaru-Robin EC08B is a 78.5 cc (4.82 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 EC08B 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 EC08B is equipped with a 1.5 L (0.4 US. gal. 0.33 Imp. gal.) fuel tank.

Cylinder bore and piston stroke are 50.0 mm (1.97 in) and 40.0 mm (1.57 in), respectively. The Subaru-Robin EC08B engine produced 3.3 PS (2.4 kW; 3.2 HP) at 2,200 rpm of maximum output power and 12.5 N·m (1.3 kg·m, 9.2 ft·lb) at 1,440 rpm of peak torque.

General information

Engine Specifications
Engine model EC08B
Engine type 2-stroke, Piston Valve Type, single-cylinder
Displacement 78.5 cm3, (4.82 cu·in)
Max. horsepower 3.3 PS (2.4 kW; 3.2 HP) at 2,200 rpm
Max. torque 12.5 N·m (1.3 kg·m, 9.2 ft·lb) at 1,440 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 380 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 8.8 kg (19.4 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: B7HS
Spark plug torque: 27.5 N·m (2.8 kg·m, 20.3 ft·lb)
ATTENTION! Dear visitors, this is an informational database of technical specifications, we are not a parts supplier or a marketplace.

We try to use official documentation and verify the published data, but errors may occur. In addition, specifications of machinery and equipment may vary depending on markets and modifications. We do not recommend the use of this data for spare parts or repairs. Use official service manuals or parts catalogs for your product.

Be the first to comment

Leave a Reply

Your email address will not be published.