Honda G41

Honda G41The Honda G41 is a 170 cc (10.37 cu·in) natural aspirated single-cylinder four-stroke air-cooled internal combustion small gasoline engine with a horizontal shaft, manufactured by Honda Motor Company for general-purpose applications.

It has a 66.0 mm (2.6 in) cylinder bore and 50.0 mm (1.97 in) piston stroke.

The G41 engine produced 4.5 PS (3.31 kW; 4.4 HP) at 4,000 rpm of maximum horsepower.

The Honda G41 features:

  • L-head design
  • High voltage ignition system
  • Horizontal type carburetor with butterfly valve
  • Splash type lubrication system
  • Recoil starter

General information

Engine Specifications
Engine modelG41
Engine type4-stroke, L-head, single-cylinder
Displacement170 cm3, (10.37 cu·in)
Max. horsepower4.5 PS (3.31 kW; 4.4 HP) at 4,000 rpm
Max. torque
Cooling systemForced air
Lubricating systemSplash
Ignition systemHigh voltage ignition
Fuel systemHorizontal type carburetor with butterfly valve
Fuel consumption300 g/HPh
Fuel tank capacity3.5 L (0.92 US. gal. 0.77 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)
Dimensions (L x W X H)415 x 318 x 405 mm (16.3 x 12.5 x 15.9 in)
Dry weight16.0 kg (35.3 lbs)

Cylinder Block and Head

Cylinder block
Compression ratio:
Cylinder bore:66.0 mm (2.6 in)
Piston stroke:50.0 mm (1.97 in)

Service Data

Cylinder compression:5.3 kg/cm2 (75 psi)
Oil system
Lubrication system:Splash
Oil type:Honda 4-stroke or an equivalent
Recommended oil:SAE 10W-30
Oil capacity:0.8 L (0.85 US. qt, 0.7 Imp. qt.)
Ignition system
Type:High voltage ignition
Spark plug:NGK: B-4H
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.

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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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