Yamaha EF2000iS, EF2400iS, EF1600iS Owner's Manual

Yamaha EF2000iS, EF2400iS, EF1600iS manual cover
Pages 2
Year 2009
Language(s)
German de
English en
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Japanese ja
Korean ko
Norwegian Nynorsk; Nynorsk, Norwegian nn
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Yamaha EF2000iS, EF2400iS, EF1600iS Specification

The Yamaha EF2000iS, EF2400iS, and EF1600iS are portable inverter generators designed to provide reliable power with high efficiency and quiet operation. The EF2000iS delivers a maximum output of 2000 watts and a rated output of 1600 watts, making it ideal for camping, tailgating, and small appliances. It features a 79cc OHV engine and utilizes inverter technology to produce clean power, safe for sensitive electronics. With a runtime of up to 10.5 hours at a quarter load, it is equipped with a smart throttle to adjust engine speed according to load, enhancing fuel efficiency and reducing noise.

The EF2400iS offers a higher power output, delivering a maximum of 2400 watts and a rated output of 2000 watts. It houses a 171cc OHV engine and similarly uses inverter technology for clean power. This model is suitable for larger appliances or tools, with a runtime of up to 8.6 hours at a quarter load. It is designed with a noise block sound reduction system, ensuring quiet operation, which is essential for residential areas or outdoor activities.

The EF1600iS, the smallest of the three, provides a maximum output of 1600 watts and a rated output of 1200 watts. It features a compact 60cc OHV engine and is perfect for powering smaller devices or as a backup power source. This model also incorporates inverter technology and offers a quiet, efficient operation with a runtime of up to 10.5 hours at a quarter load. All three models emphasize portability, with ergonomic designs and lightweight construction, making them easy to transport and store.

Yamaha EF2000iS, EF2400iS, EF1600iS F.A.Q.

How do I perform regular maintenance on my Yamaha EF2000iS generator?

To maintain your Yamaha EF2000iS generator, regularly check and change the oil, inspect the air filter, clean the spark plug, and ensure the fuel system is free of debris. Refer to the user manual for specific intervals and procedures.

What could cause my Yamaha EF2400iS generator to not start?

Common causes for a Yamaha EF2400iS generator not starting include low oil levels, stale fuel, a clogged air filter, or a faulty spark plug. Ensure all components are in good condition and replace or clean as necessary.

How can I troubleshoot an overload issue on my Yamaha EF1600iS?

To troubleshoot an overload issue on the Yamaha EF1600iS, reduce the electrical load, check for short circuits in connected devices, and ensure that the generator is not operating in extreme temperatures. Reset the overload indicator if needed.

What is the recommended oil type for Yamaha EF2000iS under different climates?

For the Yamaha EF2000iS, SAE 10W-30 is recommended for general use. In colder climates (below 41°F), SAE 5W-30 is preferred to ensure easier starting. Always consult the user manual for specific recommendations.

How do I clean the carburetor of my Yamaha EF2400iS generator?

To clean the carburetor of your Yamaha EF2400iS, turn off the fuel valve, remove the carburetor, and use a carburetor cleaner to remove deposits. Reassemble carefully and ensure all gaskets are properly sealed.

What should I do if my Yamaha EF1600iS is running rough or sputtering?

If your Yamaha EF1600iS is running rough, check the spark plug for wear, inspect the air filter for clogs, and ensure the fuel is fresh. Adjust the choke and carburetor settings as necessary according to the user manual.

Can I parallel two Yamaha EF2000iS generators for more power?

Yes, you can parallel two Yamaha EF2000iS generators using a parallel connection kit to increase power output. Ensure both generators are properly synchronized and follow the manufacturer's instructions.

How do I store my Yamaha EF2400iS generator when not in use for an extended period?

To store your Yamaha EF2400iS for an extended period, drain the fuel, change the oil, clean the exterior, and cover the generator with a dust cover. Store in a cool, dry place and check periodically for any maintenance needs.

What precautions should I take when using my Yamaha EF1600iS in wet conditions?

When using the Yamaha EF1600iS in wet conditions, ensure it is placed on a dry, elevated surface, use a generator tent or cover, and avoid operating in direct rain. Always ground the generator to prevent electrical shocks.

How often should I replace the spark plug in my Yamaha EF2000iS?

The spark plug in the Yamaha EF2000iS should be inspected every 6 months or 100 hours of use, whichever comes first. Replace it if there is significant wear or poor performance.