Honda GV35

Honda GV35The Honda GV35 is a 144 cc, (8.8 cu·in) natural aspirated single-cylinder four-stroke air-cooled internal combustion small gasoline engine with a vertical shaft, manufactured by Honda Motor Company for general-purpose applications.

The cylinder bore is 64.0 mm (2.52 in) and the piston stroke is 45.0 mm (1.77 in). The compression ratio rating is 6.4:1.

The Honda GV35 engine produced 3.5 PS (2.6 kW; 3.5 HP) at 3,600 rpm of maximum output power and 6.6 N·m (0.7 kg·m, 4.9 ft·lb) of peak torque.

The Honda GV35 features:

  • L-head design
  • High voltage ignition system
  • Horizontal type carburetor with butterfly valve
  • Centrifugal governor
  • Splash type lubrication system
  • Forced air cooling system
  • Recoil starter

General information

Engine Specifications
Engine model GV35
Engine type 4-stroke, L-head, single-cylinder
Displacement 144 cm3, (8.8 cu·in)
Max. horsepower 3.5 PS (2.6 kW; 3.5 HP) at 3,600 rpm
Max. torque 6.6 N·m (0.7 kg·m, 4.9 ft·lb) at rpm
Cooling system Forced air
Air cleaner
Lubricating system Splash type
Ignition system High voltage ignition
Fuel system Horizontal type carburetor with butterfly valve
Fuel consumption 310 g/HPh
Fuel tank capacity 1.9 L (0.5 US. gal. 0.42 Imp. gal.)
Fuel used Unleaded gasoline (octane number 86 or higher)
Starting system Recoil starter
Stoping system Ignition primary circuit ground
Governor Centrifugal governor
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)
Number of piston rings (compression / oil): 2/1
Crankshaft center distance: 22.5 mm (0.885 in)
Cylinder head
Valve arrangement: L-head (side valve)
Valves: 2

Service Data

Idle speed: 1,700 rpm
Cylinder compression: 5.3 kg/cm2 (75 psi)
Valve clearance
Intake valve clearance: 0.05-0.10 mm (0.002-0.004 in)
Exhaust valve clearance: 0.05-0.10 mm (0.002-0.004 in)
Oil system
Lubrication system: Splash type
Oil type: Honda 4-stroke or an equivalent (SE)
Recommended oil: SAE 10W-30 or 10W-40
Oil capacity: 0.7 L (0.74 US. qt, 0.62 Imp. qt.)
Fuel system
Type: Horizontal type carburetor with butterfly valve
Ignition system
Type: High voltage ignition
Ignition timing: 20° ± 3° B.T.D.C
Spark plug: NGK BR-6HS, B-6HS
Spark plug gap: 0.6-0.7 mm (0.0236-0.0276 in)

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