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GC190 a 5.0HP premium residential engine featuring Honda's latest overhead cam technology. The GC series are incredibly quiet and utilizes the first internal timing belt.


Type  4-stroke, overhead camshaft single cylinder
Total Displacement  187 cm (11.4 cu in)
Bore & Strike  69 x 50 mm (2.7 x 2.0 in)
Max Horsepower (Gross)  3.7 kw (5.1hp ) at 2,500 rpm
Max Torque (Gross)  11.3 Nm (1.05 kgfm, 8.3 lbfft) at 2,500 rpm
Compression Ratio  8.5: 1
Fuel Consumption  313 g/kWh (230 g/HPh, 0.51 lb/HPh)
Cooling System  Forced-air
Ignition System  Transistorized magneto ignition
Ignition Timing  20 B.T.D.C
Spark Plug  BPR6ES (NGK)
Carburetor  Horizontal type, butterfly valve
Air Cleaner  Dry (paper) type
Governor  Centifugal mechanical governor
Lubricating System  Splash
Oil Capacity  0.55 lt (0.58 US qt, 0.55 Imp qt)
Recommended operating ambient tempature  -15C to 40C (5F to 104F)
Starting System  Recoil starter
Stopping System  ignition primary circuit ground
Fuel Used  Automotive unleaded gasoline (minimum 86 pump octane)
Fuel tank capacity  2.0 lt (0.53 US gal, 0.44 imp gal)
P.T.O. Shaft Rotation  Counterclockwise (viewed from P.T.O. side)
   October  22, 2020