Yamaha EF1000A

Yamaha EF1000AThe Yamaha EF1000A is a 120V, single-phase, brushless, AC portable generator.

The Yamaha EF1000A generator uses a single-cylinder Yamaha MZ85 gasoline engine with 84 cc; (5.13 cu.in.) of displacement. The cylinder bore and the piston stroke are 50.0 mm (1.97 in) and 43.0 mm (1.69 in), respectively. The MZ85 engine produced 2.0 PS (1.5 KW; 2.0 HP) at 3,600 rpm of maximum horsepower.

General information

Generator Specifications
ModelYamaha EF1000A
Dimensions (L x W x H):399 x 305 x 410 mm (15.7 x 12.0 x 16.1 in)
Dry weight (without tines)23.0 kg (50.7 lbs)
AC Rated voltage:120V
AC Rated output:0.8 KVA (800 watts) 6.7A
AC Maximum output:0.8 KVA (800 watts) 6.7A
AC Cycles:60 Hz
DC output:
Fuel tank capacity3.8 L (1 US gal, 0.8 Imp. gal)
Engine modelYamaha MZ85
Displacement84 cm3 (5.13 cu-in)
Bore x stroke50.0 x 43.0 mm (1.97 x 1.69 in)
Max. horsepower2.0 PS (1.5 kW, 2.0 HP) at 3600 rpm
Max. torque
CarburetorHorizontal type, butterfly valve
Cooling systemForced-air
Starting systemRecoil starter
Stoping system
Fuel usedUnleaded gasoline (octane number 86 or higher)
Oil system
Lubricating systemSplash type
Oil typeYAMALUBE 4 or API SE
Recommended oil10W-30
Oil capacity0.43 liters (0.45 US.qts, 0.38 Imp. qts)
Ignition system
Ignition systemCDI
Spark plugNGK BPR6HS
Spark plug gap0.6-0.7 mm (0.024-0.028 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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