Air cooled Honda 4-stroke single cylinder OHV petrol engine with horizontal shaft. The GX390 engine is suitable for a wide range of heavy-duty applications such as construction equipment, tillers, generators, welders, pumps and other industrial applications.
Engine features:
- The OHV design enhances combustion efficiency
- A variable ignition timing (digital CDI) results in high power output, reduced fuel consumption and excellent exhaust emissions performance
- Easy starting with an automatic decompression system and an easy-to-grip soft recoil starter handle
- High quality materials and purpose-built components ensure reliable long-term use
- Meets world's most stringent environmental legislation
- Guaranteed low fuel and oil consumption
- Reduced vibration and noise level
- Shaft diameter - 25 mm
- Oil alert - No
Engine type - 4-stroke single cylinder OHV petrol engine 25° inclined cylinder horizontal shaft
Cylinder sleeve type - Cast iron sleeve
Bore x Stroke - 88 x 64 mm
Displacement - 389 cc
Compression ratio - 8.2 : 1
Net power - 8.7 kW (11.7 HP) / 3600 rpm
Cont. rated power - 6.4 kW (8.6 HP) / 3000 rpm
Cont. rated power - 7.0 kW (9.4 HP) / 3600 rpm
Max. net torque - 26.5 Nm (2.7 kgfm) / 2500 rpm
Ignition system - Digital CDI with variable ignition timing
Starter - Recoil
Fuel tank capacity - 6.1 Litre
Fuel cons. at cont. rated power - 3.5 L/h - 3600 rpm
Engine oil capacity - 1.1 Litre
Dimensions (L x W x H) - 406 x 460 x 448 mm
Dry weight - 31.7 kg
Shaft diameter - 25 mm
Oil alert - No
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