allen AR21 - Engine Specifications

Honda GX390 Engine Information (13 HP)
Engine Type ............................................... Air-cooled 4-stroke OHV
Bore x Stroke. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 88 X 64 mm
Displacement ............................................... 389 cm3
Net Power Output* .......................................... 11.7 HP (8.7 kW) @ 3,600 rpm
Net Torque ................................................ 19.5 lb-ft (26.4 Nm) @ 2,500 rpm
PTO Shaft Rotation .......................................... Counterclockwise (from PTO shaft side)
Compression Ratio .......................................... 8.2:1
Lamp/Charge coil options ..................................... 25W, 50W / 1A, 3A, 10A, 18A
Carburetor ................................................. Butterfly Float Type
Ignition System ............................................. Digital CDI with variable timing
Starting System ............................................. Recoil/electric
Lubrication System .......................................... Splash
Governor System ........................................... Centrifugal Mass Type
Air cleaner ................................................. Dual element
Oil Capacity ................................................ 1.16 US qt (1.1 L)
Fuel Tank Capacity .......................................... 6.4 U.S. qts (6.1 liters)
Fuel ................................................... Unleaded 86 octane or higher
Dry Weight ................................................. 69 lb (31.5 kg))
Engine Specifications
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