Honda EB6500X generator review, specs, engine service data

The Honda EB6500X is a single-phase AC portable generator with 6.5 kVA of maximum power and 5.5 kVA of rated power and 60 Hz of rated frequency. The EB6500X generator is available with 120/240 V rated voltage.

The Honda EB6500X generator uses one of two engines: Honda GX390 or Honda iGX390, depending on the generator version.

The Honda GX390 are single-cylinder gasoline engines with a 389 cc (23.7 cu.in) of displacement. The iGX390 is version of the GX390 engine with an ECU (electronic control unit) and a self-tuning regulator (STR) governor system.

Engine applications:

Description code: EALC (S/N: 1000001-9999999) – Honda GX390
Description code: EBLC (S/N: 1000001-1019454) – Honda GX390T
Description code: EBLC, Type AT1 (S/N: 1019455-1506198) – Honda iGX390
Description code: EBLC, Type AG,AN (S/N: 1506199-9999999) – Honda GX390T2

General information

Generator Specifications
Model	Honda EB6500X
Dimensions (L x W x H):	EALC: 1,064 x 691 x 773 mm (41.9 x 27.2 x 30.4 in) EBLC: 1,051 x 706 x 773 mm (41.9 x 41.9 x 30.4 in)
Dry weight	EALC: 101.0 kg (220.7 lbs) EBLC: 100.9 kg (222.4 lbs)
AC Rated voltage:	120V/240V
AC Rated output:	5.5 kVA
AC Maximum output:	6.5 kVA
Rated frequency:	60 Hz
Rated current:	45.8/22.9 A
Fuel tank capacity	EALC (S/N: 1000001-1025773): 23.5 liters (6.2 US gal, 5.2 Imp. gal) EALC (S/N: 1025774-9999999): 25.0 liters (6.6 US gal, 5.5 Imp. gal) EBLC (S/N: 1000001-1025773): 23.5 liters (6.2 US gal, 5.2 Imp. gal)
Honda GX390 engine
Engine model	Honda GX390 K1
Displacement	389 cm³ (23.7 cu-in)
Bore x stroke	88.0 x 64.0 mm (3.46 x 2.52 in)
Max. horsepower	13.6 PS (10.0 kW; 13.0 HP) at 3,600 rpm
Max. torque	27.0 N·m (2.8 kg·m, 19.9 ft·lb) at 2,500 rpm
Carburetor	Horizontal type, butterfly valve
Cooling system	Forced-air
Ignition system	Transistorized magneto ignition
Lubricating system	Splash
Starting system	Recoil starter
Stoping system	Ignition primary circuit ground
Fuel used	Unleaded gasoline (octane number 86 or higher)
Honda GX390T/T2 engine
Engine model	Honda GX390 T/T2
Displacement	389 cm³ (23.7 cu-in)
Bore x stroke	88.0 x 64.0 mm (3.46 x 2.52 in)
Max. horsepower	11.8 PS (8.7 kW; 11.7 HP) at 3,600 rpm
Max. torque	26.5 N·m (2.7 kg·m, 19.5 ft·lb) at 2,500 rpm
Carburetor	Horizontal type, butterfly valve
Cooling system	Forced-air
Ignition system	CDI (Capacitor Discharge Ignition)
Lubricating system	Splash
Starting system	Recoil starter
Stoping system	Ignition primary circuit ground
Fuel used	Unleaded gasoline (octane number 86 or higher)
Honda iGX390 engine
Engine model	Honda iGX390
Displacement	389 cm³ (23.7 cu-in)
Bore x stroke	88.0 x 64.0 mm (3.46 x 2.52 in)
Max. horsepower	11.8 PS (8.7 kW; 11.7 HP) at 3,600 rpm
Max. torque	26.5 N·m (2.7 kg·m, 19.5 ft·lb) at 2,500 rpm
Carburetor	Horizontal type, butterfly valve
Cooling system	Forced-air
Ignition system	CDI (Capacitor Discharge Ignition)
Governor	ECU (electronic control unit) with a self-tuning regulator (STR) governor system
Lubricating system	Splash
Starting system	Recoil starter
Stoping system	Ignition primary circuit ground
Fuel used	Unleaded gasoline (octane number 86 or higher)

Honda GX390 maintenance data

Engine
Maximum speed	3,850 ± 150 rpm
Idle speed	1,400 ± 150 rpm
Cylinder compression	6.0-8.5 kg/cm² (85-121 psi, 0.59 – 0.83 MPa) at 600 rpm
Valve clearance
Intake valve	0.15 ± 0.02 (0.006 ± 0.001)
Exhaust valve	0.20 ± 0.02 (0.008 ± 0.001)
Oil system
Oil type	Honda 4-stroke or an equivalent (SE or later)
Recommended oil	SAE 10W-30
Oil capacity	1.1 L (1.16 US gal, 0.97 lmp qt)
Ignition system
Spark plug	Transistorized magneto: NGK: BP6ES, BPR6ES, DENSO: W20EP-U, W20EPR-U CDI: NGK: BPR5ES DENSO: W16EPR-U
Spark plug gap	0.7-0.8 mm (0.028-0.031 in)

Honda iGX390 maintenance data

Engine
Maximum speed:	3,600±150 rpm
Idle speed:	1,400±150 rpm
Cylinder compression:	0.51-0.69 MPa (5.2-7.0 kgf/cm², 74-100 psi) / 600 rpm
Valve clearance
Intake valve clearance:	0.15±0.02 mm (0.006±0.001 in)
Exhaust valve clearance:	0.20±0.02 mm (0.008±0.001 in)
Oil system
Lubrication system:	Forced splash
Oil type:	Honda 4-stroke or an equivalent (SE or later)
Recommended oil:	SAE 10W-30
Oil capacity:	1.1 L (1.16 US. qt, 0.97 Imp. qt.)
Ignition system
Type:	C.D.I.(Capacitor Discharge Ignition)
Spark plug:	NGK: BPR5ES DENSO: W16EPR-U
Spark plug gap:	0.7-0.8 mm (0.0276-0.0315 in)
Spark plug torque:	18 N·m (1.8 kg·m, 13.3 ft·lb)
Ignition coil air gap	0.2-0.6 mm (0.0079-0.0236 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.

ATTENTION! Dear visitors, this is an informational database of technical specifications, we are not a parts supplier or a marketplace.

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.

Honda EB6500X

General information

Honda GX390 maintenance data

Honda iGX390 maintenance data

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