Honda GV35

Honda GV35The Honda GV35 is a 144 cc (8.8 cu.in.) single-cylinder air-coolled four-stroke internal combustion small gasoline engine with vertical shaft manufactured by Honda Motor Company.

This engine has a side-valve design with camshaft driven by a timing chain. It has a recoil starter, horizontal butterfly type carburetor, flywheel magneto ignition system.

The cylinder bore is 64.0 mm (2.5 in) and the piston stroke is 45.0 mm (1.8 in). Compression ratio rating is 6.4:1. The Honda GV35 motor produced 3.5 HP (2.6 kW) at 3,600 rpm of maximum horsepower, 2.0 HP (1.5 kW) at 3,000 rpm of rated power and at 6.6 Nm (0.67 kg·m, 4.9 ft·lb) of torque.

General information

Engine Specifications
ModelGV35
Type4-stroke, side valve type (L-head), single cylinder
Displacement144 cm 3 (8.79 cu-in)
Max. horsepower3.5 HP (2.6 kW) at 3,600 rpm
Max. torque6.6 Nm (0.67 kg·m, 4.9 ft·lb)
CarburetorHorizontal, butterfly valve
Cooling systemForced-air
Ignition systemHigh voltage ignition
Lubricating systemSplash system
Starting systemRecoil starter
Stoping systemGround switch
Fuel usedUnleaded gasoline (octane number 86 or higher)
Fuel tank capacity1.9 L (0.5 US gal, 0.4 Imp gal)
Fuel consumption310 g/HPh (0.68 lb/HPh)
PTO shaft rotationCounterclockwise (from PTO shaft side)

Cylinder Block and Head

Cylinder block
Compression ratio:6.4:1
Bore x Stroke64 x 45 mm (2.52 x 1.77 in.)
Sleeve internal diameter64.00 mm (2.5197 in)
Piston skirt outer diameter63.96 mm (2.518 in)
Cylinder Head
Warpage (max)0.2 mm (0.01 in)
Valve Arrangement:Side valve type
Valves:2

MAINTENANCE DATA

Engine
Idle speed1,700 rpm
Cylinder compression5.3 kg/cm2 (75 psi)
Valves
Tappet clearance0.05-0.10 ± 0.02 (0.002-0.004 in)
Oil system
Oil typeHonda 4-stroke or an equivalent (SE)
Recommended oilSAE 10W-30 or 10W-40
Oil capacity0.7 L (1.5 US pt, 1.2 lmp pt)
Ignition system
Ignition timing20° ± 3° B.T.D.C
Spark plugNGK: BR-6HS, B-6HS
Spark plug gap0.6-0.7 mm (0.024-0.028 in)
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