First change on my new to me Champion Inverter Generator model 100809. Ran it for 5 hours for the break in, and changed the oil.
Out: .5 quarts factory supplied oil (10W-30)
In .5 quarts Amsoil Small Engine oil (10W-30)
Out: .5 quarts factory supplied oil (10W-30)
In .5 quarts Amsoil Small Engine oil (10W-30)
