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EF1000iS

Key Features

Features Gallery
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    Inverter system with Pulse Width Modulation

    This industry-leading system produces high-quality, clean electricity. Its pure sine wave is as clean as or cleaner than commercial power, making it suitable for products with built in microcomputers

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    Noise Block™ acoustically designed sound reduction system

    The full generator enclosure uses sound absorbing material in key internal locations. This design, combined with a newly designed muffler and molded fan, ensures unbeatable noise reduction.

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    Smart Throttle™ load-sensing throttle control

    This intelligent system automatically adjusts engine speed to precisely match load - resulting in greater fuel efficiency and noise reduction.

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    Dual coil alternator stator

    By lowering engine speed, this exclusive technology produces a number of benefits including reduced noise, fuel consumption and engine wear.

Technical Specifications

Download Factsheet
  • Generator
    Generator type
    Inverter-Silent
    Frequency
    50 hz
    Rated AC output
    900 VA
    Max AC output
    1000 VA
    Voltage AC
    230 V
    Rated current
    3.9 A
    DC output
    12/8V/A
    Power factor
    1
    Starter
    Direct
    Operating hours without refill
    4.0 - 12.0(*Economy Control on)
  • Engine
    Displacement
    50cc
    Maximum power output
    1.61 kW / 6500 rpm
    Starting system
    Recoil
  • Dimensions
    Overall length
    450 mm
    Overall width
    240 mm
    Overall height
    380 mm
    Weight (kg)
    13kg
    Oil tank capacity
    0.32litre
    Fuel tank capacity
    2.5litres
    Noise level (LWA)
    88.0dB (A)
    Noise level 7 m
    47.0-57.0 dB (A) (*Economy Control on)
Not all models shown are available in every country. The specification and appearance of Yamaha products can vary from time to time without prior notice. Those shown here are only for illustrative purposes and are not contractual description of products. Generator warranty is subject to specific conditions. For further details, please contact your Yamaha dealer.