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HONDA GX390

GX390 a 13HP OHV horizontal -shaft engine with automatic decrompression for easy starting. The 13HP is the largest workhorse in Honda's line of engines

Features & Benefits

Specifications

  • CARB Approved
  • Meets EPA Standards
MODEL  GX390K1
Type  4-stroke, overhead valve single cylinder , inclined by 25
Total Displacement  389 cm (23.7 cu in)
Bore & Strike  88 x 64 mm (3.5 x 2.5 in)
Max Horsepower (Gross)  9.7 kw / 3,600 min (13HP / 3,600 rpm)
Max Torque (Gross)  Crank P.T.O  27 Nm (2.7 kgfm, 20 lbfft) 2,500 rpm
 with 1/2 reduction  54 Nm (5.4 kgfm, 39 lbfft) 1,250 rpm
 with 1/6 reduction  162 Nm (16.2 kgfm, 117 lbfft) 420 rpm
Compression Ratio  8.0: 1
Fuel Consumption  313 g/kWh (230 g/HPh, 0.51 lb/HPh)
Cooling System  Forced-air
Ignition System  Transistorized magneto ignition
Ignition Timing  25 B.T.D.C (fixed)
Spark Plug  BPR6ES (NGK), W20EPR-U (DENSO)
Carburetor  Horizontal type, butterfly valve
Air Cleaner  Dual element type
 Oil bath type
 Cyclone type
Lubricating System  Splash
Oil Capacity

1.1 lt 1.16 US qt, 0.97 Imp qt)

Starting System  Recoil or electric start
Stopping System  ignition primary circuit ground
Fuel Used  Automotive unleaded gasoline (minimum 86 pump octane)
Fuel tank capacity  6.5 lt (1.72 US gal, 1.43 imp gal)
Reduction oil capacity  1/2, 1/6 reduction Lubricated from engine crankcase
P.T.O. Shaft Rotation  Counterclockwise (viewed from P.T.O. side)
   September  19, 2017