Honda EM400

Honda EM400 generatorThe Honda EM400 is AC/DC portable generator with 400 VA of maximum power, 300 VA of rated power and 64Hz of rated frequency. The EM400 generator is available with AC 115V and DC 13V rated voltage.

The Honda EM400 generator uses a single-cylinder gasoline engine (55.4 cc; 3.38 cu.in.). The engine has a side-valve (L-head) design flywheel magneto ignition system. Cylinder bore and the piston stroke are 42.0 mm (1.65 in) and 40.0 mm (1.57 in), respectively. Compression ratio rating is 5.5:1.

The engine produced 1.1 HP at 3,600 rpm of maximum horsepower and 0.8 HP at 3,600 rpm of rated power.

General information

Generator Specifications
Model Honda EM400
Dimensions (L x W x H): 355 x 265 x 310 mm (14.0 x 10.4 x 12.2 in)
Dry weight 17.5 kg (38.6 lbs)
AC Rated voltage: 115V
AC Rated output: 300 VA
AC Maximum output: 300 VA
Rated frequency: 64 Hz
DC output: 100 VA
Fuel tank capacity 2.0 L (0.53 US gal, 0.43 Imp gal)
Engine
Displacement 55.4 cm3 (3.38 cu-in)
Bore x stroke 42.0 x 40.0 mm (1.65 x 1.57 in)
Max. horsepower
Max. torque
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)

Maintenance data

Oil system
Oil type Honda 4-stroke “SE”
Recommended oil 10W-30
Oil capacity 0.3 L (0.32 US pt., 0.26 Imp.qt.)
Ignition system
Spark plug NGK: CM-6
Spark plug gap 0.4 mm (0.016 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.

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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.

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