Honda G35

Honda G35The Honda G35 is a 144 cc (8.8 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 64.0 mm (2.52 in) cylinder bore and 45.0 mm (1.77 in) piston stroke. The compression ratio rating is 6.4:1.

The Honda G35 engine produced 3.5 PS (2.61 kW; 3.5 HP) at 4,000 rpm of maximum output power and 6.5 N·m (0.7 kg·m, 4.8 ft·lb) at 3,000 rpm of peak torque.

The Honda G35 features:

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

General information

Engine Specifications
Engine model G35
Engine type 4-stroke, L-head, single-cylinder
Displacement 144 cm3, (8.8 cu·in)
Max. horsepower 3.5 PS (2.61 kW; 3.5 HP) at 4,000 rpm
Max. torque 6.5 N·m (0.7 kg·m, 4.8 ft·lb) at 3,000 rpm
Cooling system Forced air
Lubricating system Splash
Ignition system High voltage ignition
Fuel system Horizontal type carburetor with butterfly valve
Fuel consumption 310 g/HPh
Fuel tank capacity 2.5 L (0.66 US. gal. 0.55 Imp. gal.)
Fuel used Unleaded gasoline (octane number 86 or higher)
Starting system Recoil starter or rope starting
Stoping system Ignition primary circuit ground
PTO shaft rotation Counterclockwise (from PTO shaft side)
Dimensions (L x W X H)
Dry weight

Cylinder Block and Head

Cylinder block
Compression ratio: 6.4:1
Cylinder bore: 64.0 mm (2.52 in)
Piston stroke: 45.0 mm (1.77 in)
Cylinder internal diameter (standard): 64.000 mm (2.5197 in)
Piston skirt outer diameter (standard): 63.960 mm (2.5181 in)
Piston pin diameter: 15.000 mm (0.5906 in)
Side clearance: 0.010 mm (0.0004 in)
Ring end gap: 0.200 mm (0.0079 in)
Crankshaft center distance: 22.5 mm (0.885 in)
Cylinder head
Valve arrangement: L-head
Valves: 2
Valve steam diameter (INTAKE): 6.970 mm (0.2744 in)
Valve steam diameter (EXHAUST): 6.925 mm (0.2726 in)
Camshaft lobe height (INTAKE): 17.030 mm (0.6705 in)
Camshaft lobe height (EXHAUST): 17.030 mm (0.6705 in)
Camshaft journal diameter : 5.020 mm (0.1976 in)

Tightening torque specs

Tightening torque specs
Carburetor (6 mm nut) 8-12 Nm; 0.8-1.2 kg·m; 5.8-8.7 ft·lb
Flywheel (14 mm nut) 60-65 Nm; 6.0-6.5 kg·m; 43.4-47 ft·lb
Cylinder Head (8 x 35 mm flange bolt) 20-28 Nm; 2.0-2.8 kg·m; 14.5-20.2 ft·lb
Connecting Rod (6 x 37 mm bolt) 9-11 Nm; 0.9-1.1 kg·m; 6.5-8.0 ft·lb

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: 0.6 L (0.63 US. qt, 0.53 Imp. qt.)
Ignition system
Type: High voltage ignition
Ignition timing: 20°±3° B.T.D.C. (Fixed)
Spark plug: NGK: BR6HS, B6HS
Spark plug gap: 0.6-0.7 mm (0.0236-0.0276 in)

Applications

Manufacturer or Brand Models
Generators
Honda E800

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