Honda G30

Honda G30 engineThe Honda G30 is a 0.1 L (132 cc, 8.06 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 G30 engine has a single cylinder, L-head design with two valves and heavy-duty recoil starter. This engine used horizontal type carburetor with butterfly valve, high-voltage ignition system, splash type lubricating system and forced-air cooling system. The G30 is equipped with 4.5 L fuel tank.

The G30 engine produced 4.0 PS (2.9 kW; 4.0 HP) of peak horsepower and 3.0 PS (2.2 kW; 3.0 HP) at 3,400 rpm of rated output power.

General information

Engine Specifications
Engine model G30
Engine type 4-stroke, L-head, single-cylinder
Displacement 132 cm3, (8.06 cu·in)
Max. horsepower 4.0 PS (2.9 kW; 4.0 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)

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