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HONDA GX120

GX120 a 4.0HP OHV horizontal -shaft lightweight engine. Icludes automatic decrompression and oil alert.

Features & Benefits

Specifications

  • CARB Approved
  • Meets EPA Standards
MODEL  GX120K1
Type  4-stroke, overhead valve single cylinder , inclined by 25
Total Displacement  118 cm (7.2 cu in)
Bore & Strike  60 x 42 mm (2.4 x 1.7 in)
Max Horsepower (Gross)  2.9 kw / 4,000 min(4.0hp / 4,000rpm )
Max Torque (Gross)  Crank P.T.O  7.5 Nm (0.75 kgfm, 5 lbfft) 2,500 rpm
 with 1/2 reduction  15 Nm (1.5 kgfm, 11 lbfft) 1,250 rpm
 with 1/2 reduction*  1.5 Nm (1.5 kgfm, 11 lbfft) 1,250 rpm
 with 1/6 reduction  45 Nm (4.5 kgfm, 33 lbfft) 420 rpm
Compression Ratio  8.5: 1
Fuel Consumption  310 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
 Simi-dry type
 Oil bath type
 Cyclone type
Lubricating System  Splash
Oil Capacity  0.6 lt (0.63 US qt, 0.53 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  2.5 lt (0.66 US gal, 0.55 imp gal)
Reduction oil capacity  1/2, reduction* 0.5 lt (0.53 us qt, 0.44 Imp qt)
 1/2, reduction  Lubricated from engine crankcase
 1/6, reduction  0.15 lt (0.159 us qt, 0.132 Imp qt)
Clutch type   1/2 reduction Centrifugal
Clutch engagement   1/2 reduction 1,800 rpm
Clutch lock  1/2 reduction  2,200 rpm
P.T.O. Shaft Rotation  Counterclockwise (viewed from P.T.O. side)
   November  17, 2017