Engine Oil Recommendations - Honda GX120 Owner's Manual

SERVICING YOUR ENGINE

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 classification are in the API label on
the oil container. Honda recommends that you use API SERVICE
category SJ oil.
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