Pre-Operation Check; Recommended Oil; Ambient Temperature - Honda EU10i Owner's Manual

4.

PRE-OPERATION CHECK

Be sure to check the generator on a level surface with the engine
stopped.
1. Check the engine oil level.
Using non detergent oil or 2-stroke engine oil could shorten the
engine's service life.

Recommended oil

Use 4-stroke motor oil that meets or exceeds the requirements for API
service category SE or later (or equivalent). Always check the API
service label on the oil container to be sure it includes the letters SE or
later (or equivalent).

AMBIENT TEMPERATURE

SAE 10W-30 is recommended for general use. Other viscosities shown
in the chart may be used when the average temperature in your area is
within the indicated range.
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