Honda GXV530

Honda GXV530The Honda GXV530 is a 530 cc, (32.34 cu·in) natural aspirated two-cylinders four-stroke air-cooled internal combustion gasoline engine with a vertical shaft, manufactured by Honda Motor Company for general-purpose applications.

A 77.0 mm (3.03 in) cylinder bore and 57.0 mm (2.24 in) piston stroke give the GXV530 engine a total of 530 cc of displacement. The compression ratio rating is 8.0:1.

The GXV530 engine produced 16.2 PS (11.9 KW; 16.0 HP) at 3,600 rpm of gross horsepower and 36.5 N·m (3.72 kg·m, 26.9 ft·lb) at 2,500 rpm of maximum torque.

The Honda GXV530 features:

  • OHV design
  • Transistorized magneto ignition system
  • Horizontal type, two barrels, butterfly valve
  • Centrifugal governor
  • Splash lubrication system
  • Forced air cooling system
  • Electric starter

General information

Engine Specifications
Engine model GXV530
Engine type 4-stroke, OHV, V-twin
Displacement 530 cm3, (32.34 cu·in)
Max. horsepower 16.2 PS (11.9 KW; 16.0 HP) at 3,600 rpm
Max. torque 36.5 N·m (3.72 kg·m, 26.9 ft·lb) at 2,500 rpm
Cooling system Forced air
Air cleaner
Lubricating system Splash
Ignition system Transistorized magneto ignition
Fuel system Horizontal type, two barrels, butterfly valve
Fuel consumption 230 g/HPh
Fuel tank capacity
Fuel used Unleaded gasoline (octane number 86 or higher)
Starting system Electric 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: 8.0:1
Cylinder bore: 77.0 mm (3.03 in)
Piston stroke: 57.0 mm (2.24 in)
Cylinder internal diameter (standard): 77.000 mm (3.0315 in)
Piston skirt outer diameter (standard): 76.985 mm (3.0309 in)
Number of piston rings (compression / oil): 2/1
Connecting rod big end diameter (standard): 35.025 mm (1.3789 in)
Connecting rod small end diameter (standard): 18.005 mm (0.7089 in)
Side clearance (Top): 0.050-0.080 mm (0.002-0.0031 in)
Side clearance (Second): 0.030-0.080 mm (0.0012-0.0031 in)
Ring end gap (Top): 0.200-0.400 mm (0.0079-0.0157 in)
Ring end gap (Second): 0.200-0.400 mm (0.0079-0.0157 in)
Ring width (Top): 1.990 mm (0.0783 in)
Ring width (Second): 1.990 mm (0.0783 in)
Crankshaft main journal diameter (PTO side): 30.993 mm (1.2202 in)
Crankshaft main journal diameter (Flywheel side): 34.993 mm (1.3777 in)
Crankpin journal diameter: 34.985 mm (1.3774 in)
Cylinder head
Valve arrangement: OHV, gear driven
Valves: 2,(4 valves in total)
Valve steam diameter (INTAKE): 5.485 mm (0.2159 in)
Valve steam diameter (EXHAUST): 5.440 mm (0.2142 in)
Valve spring free length (INTAKE): 34.0 mm (1.3386 in)
Valve spring free length (EXHAUST): 34.0 mm (1.3386 in)
Camshaft lobe height (INTAKE): 40.251 mm (1.5847 in)
Camshaft lobe height (EXHAUST): 40.251 mm (1.5847 in)

Tightening torque specs

Tightening torque specs
Cylinder nut 32 Nm; 3.3 kg·m; 24 ft·lb
Connecting rod bolt 12 Nm; 1.2 kg·m; 8.6 ft·lb
Oil drain bolt 44 Nm; 4.5 kg·m; 33 ft·lb
Oil filter holder 18 Nm; 1.8 kg·m; 13 ft·lb
Oil filter 12 Nm; 1.2 kg·m; 8.6 ft·lb
Valve adjusting lock nut 7.5 Nm; 0.75 kg·m; 5.4 ft·lb
Governor fork screw 5.5 Nm; 0.55 kg·m; 4.0 ft·lb
Flywheel bolt 157 Nm; 16.0 kg·m; 116 ft·lb
Ignition coil stud bolt 12 Nm; 1.2 kg·m; 8.6 ft·lb
Fuel pump screw 3 Nm; 0.3 kg·m; 2.2 ft·lb
Breather valve bolt 5.5 Nm; 0.55 kg·m; 4.0 ft·lb
Oil pan bolt 24 Nm; 2.4 kg·m; 17 ft·lb
Starter solenoid nut 12 Nm; 1.2 kg·m; 8.6 ft·lb
Starter solenoid terminal nut 9 Nm; 0.9 kg·m; 6.5 ft·lb
Through bolt 7 Nm; 0.7 kg·m; 5.1 ft·lb
Fuel drain screw 4 Nm; 0.4 kg·m; 2.9 ft·lb
Air vent cover screw 2 Nm; 0.2 kg·m; 1.4 ft·lb
Others
5 mm bolts, nuts 5.5 Nm; 0.55 kg·m; 4.0 ft·lb
6 mm bolts, nuts 10 Nm; 1.0 kg·m; 7 ft·lb
8 mm bolts, nuts 24 Nm; 2.4 kg·m; 17 ft·lb
10 mm bolts, nuts 37 Nm; 3.7 kg·m; 27 ft·lb
12 mm bolts, nuts 55 Nm; 5.5 kg·m; 39.5 ft·lb

Service Data

Engine
Maximum speed: 3,000 ± 150 rpm
Idle speed: 1,400 ± 150 rpm
Cylinder compression: 6.0-8.0 kg/cm2 (85-114 psi) at 600 rpm
Valve clearance
Intake valve clearance: 0.08-0.12 mm (0.0031-0.0047 in)
Exhaust valve clearance: 0.13-0.17 mm (0.0051-0.0067 in)
Oil system
Lubrication system: Splash
Oil type: Honda 4-stroke or an equivalent (SE or SF)
Recommended oil: SAE 10W-30
Oil capacity: 1.0 L (1.06 US. qt, 0.88 Imp. qt.)
Fuel system
Type: Horizontal type, two barrels, butterfly valve
Ignition system
Type: Transistorized magneto ignition
Ignition timing: 20° B.T.D.C.
Spark plug: NGK: BPR5ES
DENSO: W16EPR-U
Spark plug gap: 0.7-0.8 mm (0.0276-0.0315 in)
Ignition coil air gap 0.2-0.6 mm (0.0079-0.0236 in)

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