GenMax GM2000i vs Yamaha EF2200iS
What is the difference?
The GenMax GM2000i has 1.6 kW of running power, 2 kW peak. The Yamaha EF2200iS has 1.8 kW of running power, 2.2 kW peak.
The GenMax GM2000i has a 1.2 gal tank, the Yamaha EF2200iS has a 1.2 gal tank.
The GenMax GM2000i weighs 34 lb, the Yamaha EF2200iS weighs 55 lb. The GenMax GM2000i is easier to carry.
Specs side by side
| GenMax GM2000i | Yamaha EF2200iS | |
|---|---|---|
| Running W | 1600 | 1800 |
| Peak W | 2000 | 2200 |
| Fuel | gasoline | — |
| Tank (gal) | 1.2 | 1.2 |
| Run time @50 % (h) | — | — |
| Noise (dB) | — | — |
| CO shutoff | yes | — |
| Weight (lb) | 34 | 55 |
| Warranty (yr) | — | 3 |
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Specs as read from manufacturer pages on 2026-11-03 / 2026-10-25. Specs one maker does not list are left out of the comparison. Sponsored links; we may earn a commission.
Common questions
Which has more running watts, GenMax GM2000i or Yamaha EF2200iS?
The Yamaha EF2200iS. More running watts: 1800 W vs 1600 W.
Which is lighter, GenMax GM2000i or Yamaha EF2200iS?
The GenMax GM2000i. Lighter: 34 lb vs 55 lb.
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