The Honda G20 is an 132 cc, 8.1 cu·in) natural aspirated single-cylinder four-stroke air-cooled internal combustion small gasoline engine with a horizontal shaft, manufactured by Honda Motor Company since 1963 for general-purpose applications.
The Honda G20 engine has a single-cylinder, L-head design with two valves, and a heavy-duty recoil starter. This engine used horizontal type carburetor with a butterfly valve, high voltage ignition system, splash type lubricating system, and forced-air cooling system. The G20 is equipped with a 4.5 L fuel tank.
The Honda G20 engine produced 3.0 PS (2.2 kW; 3.0 HP) of peak output power and 2.0 PS (1.47 kW) at 3400 rpm of continuous rated power.
General information
| Engine Specifications | |
| Engine model | G20 |
| Engine type | 4-stroke, L-head, single-cylinder |
| Displacement | 132 cm3, (8.1 cu·in) |
| Max. horsepower | 3.0 PS (2.2 kW; 3.0 HP) |
| Max. torque | – |
| Cooling system | Forced air |
| Lubricating system | Splash type |
| Ignition system | High voltage ignition |
| Fuel system | Horizontal type carburetor with butterfly valve |
| Fuel tank capacity | 4.5 L (1.19 US. gal. 0.99 Imp. gal.) |
| Fuel used | Unleaded gasoline (octane number 86 or higher) |
| Starting system | Recoil starter |
| Stoping system | Ignition primary circuit ground |
| PTO shaft rotation | Counterclockwise (from PTO shaft side) |
Service Data
| Oil system | |
| Lubrication system: | Splash type |
| Oil type: | SAE 20 or 30 |
| Recommended oil: | Honda 4-stroke or an equivalent |
| Oil capacity: | 0.57 L (0.6 US. qt, 0.5 Imp. qt.) |
| Fuel system | |
| Type: | Horizontal type carburetor with butterfly valve |
| Ignition system | |
| Type: | High voltage ignition |
| Spark plug: | NGK C-6HB |
| Spark plug gap: | 0.6-0.7 mm (0.0236-0.0276 in) |
Be the first to comment