Honda G30

Honda G30 engineThe Honda G30 is a 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 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 modelG30
Engine type4-stroke, L-head, single-cylinder
Displacement132 cm3, (8.1 cu·in)
Max. horsepower4.0 PS (2.9 kW; 4.0 HP)
Max. torque
Cooling systemForced air
Lubricating systemSplash type
Ignition systemHigh-voltage ignition
Fuel systemHorizontal type carburetor with butterfly valve
Fuel tank capacity4.5 L (1.19 US. gal. 0.99 Imp. gal.)
Fuel usedUnleaded gasoline (octane number 86 or higher)
Starting systemRecoil starter
Stoping systemIgnition primary circuit ground
PTO shaft rotationCounterclockwise (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)
Author: Sergei Wers
About: Co-founder and CEO of a multi-brand auto repair shop (engine repair, chassis repair, body repair and painting) for over 15 years. I have been developing internet sites with technical specifications for more than seven years.

ATTENTION! Dear visitors, this is an informational database of technical specifications, we are not a parts supplier or a marketplace.

We try to use official documentation and verify the published data, but errors may occur. In addition, specifications of machinery and equipment may vary depending on markets and modifications. We do not recommend the use of this data for spare parts or repairs. Use official service manuals or parts catalogs for your product.

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