LIFAN Power USA ESI-1000i Operating Instructions And Owner's Manual page 24

Oil tank capacity: Varies with Model see specification sticker on generator
Improper disposal of engine oil can be harmful to the environment. If you change your own oil, please dispose of it properly. Put it
in a sealed container, and take it to a recycling center. Do not discard it in a trash bin, dump it on the ground, or pour it down a
drain.
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