Engine Oil Recommendations - Honda Eu7000is Owner's Manual

SERVICING YOUR GENERATOR

ENGINE OIL RECOMMENDATIONS

Oil is a major factor affecting performance and service life. Use 
4-stroke automotive detergent oil.
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 recommended range.
AMBIENT TEMPERATURE
The SAE oil viscosity and service category are in the API label on the oil
container. Honda recommends that you use API service category SJ or
later (or equivalent) oil.
53