Yamaha EF45ISEZ Inverter Generator 4,500 Peak/4,000 Rated Watts 120V
$1,110.00
The Yamaha EF45ISEZ (EF4500iSE) is a premium 4,500W inverter generator with electric start, delivering ultra-quiet, fuel-efficient, and clean sine wave power. It is ideal for home backup, RV use, and sensitive electronics requiring stable electricity.
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Description
Yamaha EF45ISEZ Inverter Generator 4,500 Peak / 4,000 Rated Watts (120V)
Yamaha EF4500iSE / EF45ISEZ Inverter Generator 4500W
The Yamaha EF45ISEZ (EF4500iSE series) is a high-performance inverter generator designed for users who need clean, stable, and quiet power output for both residential and commercial applications. It delivers up to 4,500 starting watts and 4,000 running watts, making it suitable for home backup, RV systems, outdoor events, and sensitive electronic equipment.
Powered by Yamaha’s reliable MZ360 357cc OHV engine, this model is engineered for fuel efficiency, low noise, and long operational life. Its advanced inverter technology produces clean sine wave electricity (<3% THD), making it safe for laptops, TVs, routers, medical devices, and modern electronics.
The unit features electric start, an automatic choke system, and Yamaha’s Economy Control system, which adjusts engine speed based on load to reduce fuel consumption and noise. Its fully enclosed design significantly reduces sound levels, making it one of the quieter generators in its class.
Key Features
- 4,500 peak / 4,000 rated watts stable inverter power
- Ultra-clean sine wave output for sensitive electronics
- Extremely quiet operation (~58–60 dBA)
- Electric start for easy operation
- Excellent fuel efficiency with economy control system
- Ideal for home backup, RV, and recreational use
- Automatic low oil shutdown protection
- RV-ready outlet for travel applications
- Fully enclosed design reduces vibration and noise
- CARB compliant low-emission operation
Applications
- Home emergency backup power
- RV and camping electrical systems
- Sensitive electronics (computers, TVs, networking)
- Outdoor events and mobile setups
- Small appliances and essential loads
| Specification | Details |
|---|---|
| Brand | Yamaha |
| Model | EF45ISEZ / EF4500iSE |
| Type | Inverter Portable Generator |
| Engine | Yamaha MZ360 OHV 4-Stroke |
| Displacement | 357cc |
| Peak Power | 4,500W |
| Rated Power | 4,000W |
| Voltage Output | 120V |
| Frequency | 60 Hz |
| Starting System | Electric Start + Recoil Backup |
| Fuel Type | Gasoline |
| Fuel Tank Capacity | ~4.5 gallons (17 L) |
| Runtime | Up to ~15 hours @ 1/4 load |
| Noise Level | ~58–60 dBA |
| Technology | Pure Sine Wave Inverter (<2.5–3% THD) |
| Outlets | 120V AC outlets, RV-ready outlet (30A) |
| Protection System | Low oil shutdown, overload protection |
| Frame Type | Fully enclosed sound-reducing casing |
| Mobility | Wheel kit + handles |
| Compliance | CARB & EPA compliant |
| Weight | ~194–209 lbs (varies by configuration) |
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