ROBIN Subaru Engine Type EX 27D Specifications Model : EX 27D Type : Air-cooled, 4-cycle, slant single cylinder, OHC, horizontal PTO shaft Bore x Stroke mm( in.) : 75x60( 2.95x2.36) Piston displacement ml( cu.in) : 265( 16.17) Continuous output : 4.4( 6.0) / 3000 kW( HP) / rpm 5.1( 7.0) / 3600 Maximum output kW( HP) / rpm : 6.6( 9.0) / 4000 Maximum torque : 18.6[ 1.9] ( 13.74) / 2500 Nû m[ kgfû m] ( lbfû ft) / rpm Directon of rotation : Counter clockwise as viewed from PTO shaft side Fuel : Automobile( unleaded) gasoline Fuel Tank capacity liter( US gal.) : 5.6( 1.48) Lubricant : Engine oil SAE 10W-30, 20W, 30W Lubrication : Mechanical splashing type Lubricationg oil capacity : 1.00( 0.260) liter( US gal.) Carburetor : Float type lgnition system : Transistorised Spark plug : NGK BR6HS Governor : Centrifugal flyweight type Dry weight Kg( Ib) : 21( 46.31) Dimension - : 351x420x410 length x width x height mm( in) ( 13.82x16.54x16.14)