Yes, Yamaha has a line of inverter generators. Although some have been discontinued, a very popular low price and reliable generator is the Yamaha EF2200iS Inverter Generator with a CO sensor.
Does yamaha make an inverter generator?
what fuel does a yamaha generator use?
Some generators can run on different fuel types such as natural gas, propane and diesel. Typically, a Yamaha inverter generator runs on regular unleaded gas.